diff --git a/mayan/apps/acls/__init__.py b/mayan/apps/acls/__init__.py
index 67159f8380..f338aec7f5 100644
--- a/mayan/apps/acls/__init__.py
+++ b/mayan/apps/acls/__init__.py
@@ -2,4 +2,4 @@ from __future__ import unicode_literals
 
 from .classes import ModelPermission  # NOQA
 
-default_app_config = 'acls.apps.ACLsApp'
+default_app_config = 'mayan.apps.acls.apps.ACLsApp'
diff --git a/mayan/apps/acls/apps.py b/mayan/apps/acls/apps.py
index 9d31ac3e77..73ac37d443 100644
--- a/mayan/apps/acls/apps.py
+++ b/mayan/apps/acls/apps.py
@@ -2,16 +2,18 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from common import MayanAppConfig, menu_object, menu_sidebar
-from navigation import SourceColumn
+from mayan.apps.common import MayanAppConfig, menu_object, menu_sidebar
+from mayan.apps.navigation import SourceColumn
 
 from .links import link_acl_create, link_acl_delete, link_acl_permissions
 
 
 class ACLsApp(MayanAppConfig):
+    app_namespace = 'acls'
+    app_url = 'acls'
     has_rest_api = True
     has_tests = True
-    name = 'acls'
+    name = 'mayan.apps.acls'
     verbose_name = _('ACLs')
 
     def ready(self):
diff --git a/mayan/apps/acls/icons.py b/mayan/apps/acls/icons.py
index 61b294faf3..1a1c73ef30 100644
--- a/mayan/apps/acls/icons.py
+++ b/mayan/apps/acls/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_acl_list = Icon(driver_name='fontawesome', symbol='lock')
 icon_acl_new = Icon(driver_name='fontawesome', symbol='plus')
diff --git a/mayan/apps/acls/links.py b/mayan/apps/acls/links.py
index b1b2d07c13..8a12258448 100644
--- a/mayan/apps/acls/links.py
+++ b/mayan/apps/acls/links.py
@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 from django.apps import apps
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import icon_acl_list, icon_acl_new
 from .permissions import permission_acl_view, permission_acl_edit
diff --git a/mayan/apps/acls/managers.py b/mayan/apps/acls/managers.py
index f625f40836..33eaf40b75 100644
--- a/mayan/apps/acls/managers.py
+++ b/mayan/apps/acls/managers.py
@@ -9,9 +9,9 @@ from django.db.models import Q
 from django.utils.encoding import force_text
 from django.utils.translation import ugettext
 
-from common.utils import return_attrib, return_related
-from permissions import Permission
-from permissions.models import StoredPermission
+from mayan.apps.common.utils import return_attrib, return_related
+from mayan.apps.permissions import Permission
+from mayan.apps.permissions.models import StoredPermission
 
 from .exceptions import PermissionNotValidForClass
 from .classes import ModelPermission
diff --git a/mayan/apps/acls/models.py b/mayan/apps/acls/models.py
index 171938c8be..c99648626b 100644
--- a/mayan/apps/acls/models.py
+++ b/mayan/apps/acls/models.py
@@ -8,7 +8,7 @@ from django.db import models
 from django.utils.encoding import force_text, python_2_unicode_compatible
 from django.utils.translation import ugettext_lazy as _
 
-from permissions.models import Role, StoredPermission
+from mayan.apps.permissions.models import Role, StoredPermission
 
 from .managers import AccessControlListManager
 
diff --git a/mayan/apps/acls/permissions.py b/mayan/apps/acls/permissions.py
index da7a5ddce9..b2e7e789a1 100644
--- a/mayan/apps/acls/permissions.py
+++ b/mayan/apps/acls/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('acls', _('Access control lists'))
 
diff --git a/mayan/apps/acls/serializers.py b/mayan/apps/acls/serializers.py
index d312f8d827..1ad961242f 100644
--- a/mayan/apps/acls/serializers.py
+++ b/mayan/apps/acls/serializers.py
@@ -9,10 +9,10 @@ from rest_framework import serializers
 from rest_framework.exceptions import ValidationError
 from rest_framework.reverse import reverse
 
-from common.serializers import ContentTypeSerializer
-from permissions import Permission
-from permissions.models import Role, StoredPermission
-from permissions.serializers import PermissionSerializer, RoleSerializer
+from mayan.apps.common.serializers import ContentTypeSerializer
+from mayan.apps.permissions import Permission
+from mayan.apps.permissions.models import Role, StoredPermission
+from mayan.apps.permissions.serializers import PermissionSerializer, RoleSerializer
 
 from .models import AccessControlList
 
diff --git a/mayan/apps/acls/tests/mixins.py b/mayan/apps/acls/tests/mixins.py
index 8eac0d80d6..ff8b2193e7 100644
--- a/mayan/apps/acls/tests/mixins.py
+++ b/mayan/apps/acls/tests/mixins.py
@@ -3,11 +3,11 @@ from __future__ import unicode_literals
 from django.contrib.auth import get_user_model
 from django.contrib.auth.models import Group
 
-from acls.models import AccessControlList
-from permissions.models import Role
-from permissions.tests.literals import TEST_ROLE_LABEL
-from permissions.tests.mixins import RoleTestCaseMixin
-from user_management.tests.literals import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.permissions.models import Role
+from mayan.apps.permissions.tests.literals import TEST_ROLE_LABEL
+from mayan.apps.permissions.tests.mixins import RoleTestCaseMixin
+from mayan.apps.user_management.tests.literals import (
     TEST_ADMIN_PASSWORD, TEST_ADMIN_USERNAME, TEST_ADMIN_EMAIL,
     TEST_GROUP_NAME, TEST_USER_EMAIL, TEST_USER_USERNAME, TEST_USER_PASSWORD
 )
diff --git a/mayan/apps/acls/tests/test_actions.py b/mayan/apps/acls/tests/test_actions.py
index c99d9f85b1..f638fef451 100644
--- a/mayan/apps/acls/tests/test_actions.py
+++ b/mayan/apps/acls/tests/test_actions.py
@@ -2,8 +2,8 @@ from __future__ import unicode_literals
 
 from django.contrib.contenttypes.models import ContentType
 
-from document_states.tests.test_actions import ActionTestCase
-from documents.permissions import permission_document_view
+from mayan.apps.document_states.tests.test_actions import ActionTestCase
+from mayan.apps.documents.permissions import permission_document_view
 
 from ..workflow_actions import GrantAccessAction, RevokeAccessAction
 
diff --git a/mayan/apps/acls/tests/test_api.py b/mayan/apps/acls/tests/test_api.py
index 9e086277dd..49e8cd53d2 100644
--- a/mayan/apps/acls/tests/test_api.py
+++ b/mayan/apps/acls/tests/test_api.py
@@ -5,10 +5,10 @@ from django.test import override_settings
 
 from rest_framework import status
 
-from documents.permissions import permission_document_view
-from documents.tests import DocumentTestMixin
-from permissions.tests.literals import TEST_ROLE_LABEL
-from rest_api.tests import BaseAPITestCase
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.documents.tests import DocumentTestMixin
+from mayan.apps.permissions.tests.literals import TEST_ROLE_LABEL
+from mayan.apps.rest_api.tests import BaseAPITestCase
 
 from ..models import AccessControlList
 from ..permissions import permission_acl_view
diff --git a/mayan/apps/acls/tests/test_links.py b/mayan/apps/acls/tests/test_links.py
index 0ccc5ca63c..ec8a9e2ea7 100644
--- a/mayan/apps/acls/tests/test_links.py
+++ b/mayan/apps/acls/tests/test_links.py
@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 from django.contrib.contenttypes.models import ContentType
 from django.urls import reverse
 
-from documents.tests import GenericDocumentViewTestCase
+from mayan.apps.documents.tests import GenericDocumentViewTestCase
 
 from ..links import (
     link_acl_delete, link_acl_list, link_acl_create, link_acl_permissions
diff --git a/mayan/apps/acls/tests/test_models.py b/mayan/apps/acls/tests/test_models.py
index 691d35553b..1f5e0beaf2 100644
--- a/mayan/apps/acls/tests/test_models.py
+++ b/mayan/apps/acls/tests/test_models.py
@@ -3,10 +3,10 @@ from __future__ import absolute_import, unicode_literals
 from django.core.exceptions import PermissionDenied
 from django.test import override_settings
 
-from common.tests import BaseTestCase
-from documents.models import Document, DocumentType
-from documents.permissions import permission_document_view
-from documents.tests import (
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.documents.models import Document, DocumentType
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.documents.tests import (
     TEST_SMALL_DOCUMENT_PATH, TEST_DOCUMENT_TYPE_LABEL,
     TEST_DOCUMENT_TYPE_2_LABEL
 )
diff --git a/mayan/apps/acls/tests/test_views.py b/mayan/apps/acls/tests/test_views.py
index 3784792fe0..38f98f0d5d 100644
--- a/mayan/apps/acls/tests/test_views.py
+++ b/mayan/apps/acls/tests/test_views.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.contrib.contenttypes.models import ContentType
 
-from documents.tests import GenericDocumentViewTestCase
+from mayan.apps.documents.tests import GenericDocumentViewTestCase
 
 from ..models import AccessControlList
 from ..permissions import permission_acl_edit, permission_acl_view
diff --git a/mayan/apps/acls/views.py b/mayan/apps/acls/views.py
index efd3becad7..79d1b496fb 100644
--- a/mayan/apps/acls/views.py
+++ b/mayan/apps/acls/views.py
@@ -11,12 +11,12 @@ from django.urls import reverse
 from django.utils.encoding import force_text
 from django.utils.translation import ugettext_lazy as _
 
-from common.views import (
+from mayan.apps.common.views import (
     AssignRemoveView, SingleObjectCreateView, SingleObjectDeleteView,
     SingleObjectListView
 )
-from permissions import PermissionNamespace, Permission
-from permissions.models import StoredPermission
+from mayan.apps.permissions import PermissionNamespace, Permission
+from mayan.apps.permissions.models import StoredPermission
 
 from .classes import ModelPermission
 from .icons import icon_acl_list
diff --git a/mayan/apps/acls/workflow_actions.py b/mayan/apps/acls/workflow_actions.py
index 60cc5838f0..1843f73745 100644
--- a/mayan/apps/acls/workflow_actions.py
+++ b/mayan/apps/acls/workflow_actions.py
@@ -7,10 +7,10 @@ from django.contrib.contenttypes.models import ContentType
 from django.core.exceptions import ValidationError
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
-from document_states.classes import WorkflowAction
-from permissions.classes import Permission
-from permissions.models import Role
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.document_states.classes import WorkflowAction
+from mayan.apps.permissions.classes import Permission
+from mayan.apps.permissions.models import Role
 
 from .classes import ModelPermission
 from .permissions import permission_acl_edit
diff --git a/mayan/apps/appearance/__init__.py b/mayan/apps/appearance/__init__.py
index 627f641acf..ddf88f7515 100644
--- a/mayan/apps/appearance/__init__.py
+++ b/mayan/apps/appearance/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'appearance.apps.AppearanceApp'
+default_app_config = 'mayan.apps.appearance.apps.AppearanceApp'
diff --git a/mayan/apps/appearance/apps.py b/mayan/apps/appearance/apps.py
index b8781b2023..f32a9a88b2 100644
--- a/mayan/apps/appearance/apps.py
+++ b/mayan/apps/appearance/apps.py
@@ -2,13 +2,13 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from common import MayanAppConfig
+from mayan.apps.common import MayanAppConfig
 
 from .licenses import *  # NOQA
 
 
 class AppearanceApp(MayanAppConfig):
-    name = 'appearance'
+    name = 'mayan.apps.appearance'
     verbose_name = _('Appearance')
 
     def ready(self):
diff --git a/mayan/apps/appearance/licenses.py b/mayan/apps/appearance/licenses.py
index 0f4180e2d0..db12e997c9 100644
--- a/mayan/apps/appearance/licenses.py
+++ b/mayan/apps/appearance/licenses.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 
-from common.classes import Package
+from mayan.apps.common.classes import Package
 
 Package(label='Bootstrap', license_text='''
 The MIT License (MIT)
diff --git a/mayan/apps/appearance/settings.py b/mayan/apps/appearance/settings.py
index ebcc2619ac..5a53ef6719 100644
--- a/mayan/apps/appearance/settings.py
+++ b/mayan/apps/appearance/settings.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from smart_settings import Namespace
+from mayan.apps.smart_settings import Namespace
 
 from .literals import DEFAULT_MAXIMUM_TITLE_LENGTH
 
diff --git a/mayan/apps/appearance/templates/appearance/about.html b/mayan/apps/appearance/templates/appearance/about.html
index 3a553b3e70..2bb43b1117 100644
--- a/mayan/apps/appearance/templates/appearance/about.html
+++ b/mayan/apps/appearance/templates/appearance/about.html
@@ -60,14 +60,14 @@
     {% smart_setting 'COMMON_PROJECT_TITLE' as setting_project_title %}
     {% project_information '__title__' as project_title %}
 
-    {% get_icon 'common.icons.icon_documentation' as icon_documentation %}
-    {% get_icon 'common.icons.icon_forum' as icon_forum %}
-    {% get_icon 'common.icons.icon_social_facebook' as icon_social_facebook %}
-    {% get_icon 'common.icons.icon_social_paypal' as icon_social_paypal %}
-    {% get_icon 'common.icons.icon_social_twitter' as icon_social_twitter %}
-    {% get_icon 'common.icons.icon_social_instagram' as icon_social_instagram %}
-    {% get_icon 'common.icons.icon_source_code' as icon_source_code %}
-    {% get_icon 'common.icons.icon_wiki' as icon_wiki %}
+    {% get_icon 'mayan.apps.common.icons.icon_documentation' as icon_documentation %}
+    {% get_icon 'mayan.apps.common.icons.icon_forum' as icon_forum %}
+    {% get_icon 'mayan.apps.common.icons.icon_social_facebook' as icon_social_facebook %}
+    {% get_icon 'mayan.apps.common.icons.icon_social_paypal' as icon_social_paypal %}
+    {% get_icon 'mayan.apps.common.icons.icon_social_twitter' as icon_social_twitter %}
+    {% get_icon 'mayan.apps.common.icons.icon_social_instagram' as icon_social_instagram %}
+    {% get_icon 'mayan.apps.common.icons.icon_source_code' as icon_source_code %}
+    {% get_icon 'mayan.apps.common.icons.icon_wiki' as icon_wiki %}
 
     <div class="well">
         <h3 class="text-center">{{ setting_project_title }}</h3>
diff --git a/mayan/apps/appearance/templates/navigation/generic_subnavigation.html b/mayan/apps/appearance/templates/navigation/generic_subnavigation.html
index 2b0d8abab2..4ae4f99185 100644
--- a/mayan/apps/appearance/templates/navigation/generic_subnavigation.html
+++ b/mayan/apps/appearance/templates/navigation/generic_subnavigation.html
@@ -1,7 +1,7 @@
 {% load common_tags %}
 {% load navigation_tags %}
 
-{% if link|get_type == "<class 'navigation.classes.Menu'>" %}
+{% if link|get_type == "<class 'mayan.apps.navigation.classes.Menu'>" %}
     <li class="dropdown">
         <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="true">
             {% if link.icon %}
diff --git a/mayan/apps/authentication/__init__.py b/mayan/apps/authentication/__init__.py
index 0a48c0ec4e..0713eaa422 100644
--- a/mayan/apps/authentication/__init__.py
+++ b/mayan/apps/authentication/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'authentication.apps.AuthenticationApp'
+default_app_config = 'mayan.apps.authentication.apps.AuthenticationApp'
diff --git a/mayan/apps/authentication/apps.py b/mayan/apps/authentication/apps.py
index 2c954c5530..d5e570037e 100644
--- a/mayan/apps/authentication/apps.py
+++ b/mayan/apps/authentication/apps.py
@@ -4,8 +4,8 @@ import logging
 
 from django.utils.translation import ugettext_lazy as _
 
-from common import MayanAppConfig, menu_user
-from navigation.classes import Separator
+from mayan.apps.common import MayanAppConfig, menu_user
+from mayan.apps.navigation.classes import Separator
 
 from .links import link_logout, link_password_change
 
@@ -13,8 +13,10 @@ logger = logging.getLogger(__name__)
 
 
 class AuthenticationApp(MayanAppConfig):
+    app_namespace = 'authentication'
+    app_url = 'authentication'
     has_tests = True
-    name = 'authentication'
+    name = 'mayan.apps.authentication'
     verbose_name = _('Authentication')
 
     def ready(self):
diff --git a/mayan/apps/authentication/forms.py b/mayan/apps/authentication/forms.py
index e39f7471dc..ebc7e5233d 100644
--- a/mayan/apps/authentication/forms.py
+++ b/mayan/apps/authentication/forms.py
@@ -7,7 +7,7 @@ from django.contrib.auth import authenticate
 from django.contrib.auth.forms import AuthenticationForm
 from django.utils.translation import ugettext_lazy as _
 
-from common.widgets import EmailInput
+from mayan.apps.common.widgets import EmailInput
 
 
 class EmailAuthenticationForm(forms.Form):
diff --git a/mayan/apps/authentication/icons.py b/mayan/apps/authentication/icons.py
index 10b52482cb..9936baf368 100644
--- a/mayan/apps/authentication/icons.py
+++ b/mayan/apps/authentication/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_logout = Icon(driver_name='fontawesome', symbol='sign-out-alt')
 icon_password_change = Icon(driver_name='fontawesome', symbol='key')
diff --git a/mayan/apps/authentication/links.py b/mayan/apps/authentication/links.py
index 45c67515c2..2f145e7ddc 100644
--- a/mayan/apps/authentication/links.py
+++ b/mayan/apps/authentication/links.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import icon_logout, icon_password_change
 
diff --git a/mayan/apps/authentication/settings.py b/mayan/apps/authentication/settings.py
index 8482a6ff43..f0b7c0f409 100644
--- a/mayan/apps/authentication/settings.py
+++ b/mayan/apps/authentication/settings.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from smart_settings import Namespace
+from mayan.apps.smart_settings import Namespace
 
 from .literals import DEFAULT_LOGIN_METHOD, DEFAULT_MAXIMUM_SESSION_LENGTH
 
diff --git a/mayan/apps/authentication/tests/literals.py b/mayan/apps/authentication/tests/literals.py
index 214cd1ff6c..daa6b65dd6 100644
--- a/mayan/apps/authentication/tests/literals.py
+++ b/mayan/apps/authentication/tests/literals.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-TEST_EMAIL_AUTHENTICATION_BACKEND = 'authentication.auth.email_auth_backend.EmailAuthBackend'
+TEST_EMAIL_AUTHENTICATION_BACKEND = 'mayan.apps.authentication.auth.email_auth_backend.EmailAuthBackend'
diff --git a/mayan/apps/authentication/tests/test_views.py b/mayan/apps/authentication/tests/test_views.py
index 834c55abb2..2e152e1338 100644
--- a/mayan/apps/authentication/tests/test_views.py
+++ b/mayan/apps/authentication/tests/test_views.py
@@ -5,9 +5,9 @@ from django.core import mail
 from django.test import override_settings
 from django.urls import reverse
 
-from common.tests import GenericViewTestCase
-from smart_settings.classes import Namespace
-from user_management.tests.literals import (
+from mayan.apps.common.tests import GenericViewTestCase
+from mayan.apps.smart_settings.classes import Namespace
+from mayan.apps.user_management.tests.literals import (
     TEST_ADMIN_EMAIL, TEST_ADMIN_PASSWORD, TEST_USER_PASSWORD_EDITED,
     TEST_ADMIN_USERNAME
 )
diff --git a/mayan/apps/authentication/views.py b/mayan/apps/authentication/views.py
index fdee5d0b90..8907285954 100644
--- a/mayan/apps/authentication/views.py
+++ b/mayan/apps/authentication/views.py
@@ -15,8 +15,8 @@ from django.utils.translation import ugettext_lazy as _
 
 from stronghold.decorators import public
 
-from common.settings import setting_project_title, setting_project_url
 import mayan
+from mayan.apps.common.settings import setting_project_title, setting_project_url
 
 from .forms import EmailAuthenticationForm, UsernameAuthenticationForm
 from .settings import setting_login_method, setting_maximum_session_length
diff --git a/mayan/apps/cabinets/__init__.py b/mayan/apps/cabinets/__init__.py
index 14589dadfe..0f37e10213 100644
--- a/mayan/apps/cabinets/__init__.py
+++ b/mayan/apps/cabinets/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'cabinets.apps.CabinetsApp'
+default_app_config = 'mayan.apps.cabinets.apps.CabinetsApp'
diff --git a/mayan/apps/cabinets/api_views.py b/mayan/apps/cabinets/api_views.py
index 2bf075a55e..ff3f9d99e5 100644
--- a/mayan/apps/cabinets/api_views.py
+++ b/mayan/apps/cabinets/api_views.py
@@ -5,11 +5,11 @@ from django.shortcuts import get_object_or_404
 from rest_framework import generics
 from rest_framework.response import Response
 
-from acls.models import AccessControlList
-from documents.models import Document
-from documents.permissions import permission_document_view
-from rest_api.filters import MayanObjectPermissionsFilter
-from rest_api.permissions import MayanPermission
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.documents.models import Document
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.rest_api.filters import MayanObjectPermissionsFilter
+from mayan.apps.rest_api.permissions import MayanPermission
 
 from .models import Cabinet
 from .permissions import (
diff --git a/mayan/apps/cabinets/apps.py b/mayan/apps/cabinets/apps.py
index 31cd038771..83cb69834a 100644
--- a/mayan/apps/cabinets/apps.py
+++ b/mayan/apps/cabinets/apps.py
@@ -3,14 +3,14 @@ from __future__ import unicode_literals
 from django.apps import apps
 from django.utils.translation import ugettext_lazy as _
 
-from acls import ModelPermission
-from acls.permissions import permission_acl_edit, permission_acl_view
-from common import (
+from mayan.apps.acls import ModelPermission
+from mayan.apps.acls.permissions import permission_acl_edit, permission_acl_view
+from mayan.apps.common import (
     MayanAppConfig, menu_facet, menu_main, menu_multi_item, menu_object,
     menu_sidebar
 )
-from documents.search import document_page_search, document_search
-from navigation import SourceColumn
+from mayan.apps.documents.search import document_page_search, document_search
+from mayan.apps.navigation import SourceColumn
 
 from .links import (
     link_cabinet_list, link_document_cabinet_list,
@@ -30,9 +30,11 @@ from .widgets import widget_document_cabinets
 
 
 class CabinetsApp(MayanAppConfig):
+    app_namespace = 'cabinets'
+    app_url = 'cabinets'
     has_rest_api = True
     has_tests = True
-    name = 'cabinets'
+    name = 'mayan.apps.cabinets'
     verbose_name = _('Cabinets')
 
     def ready(self):
diff --git a/mayan/apps/cabinets/events.py b/mayan/apps/cabinets/events.py
index 8e389c51b5..bca867bd2a 100644
--- a/mayan/apps/cabinets/events.py
+++ b/mayan/apps/cabinets/events.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from events import EventTypeNamespace
+from mayan.apps.events import EventTypeNamespace
 
 namespace = EventTypeNamespace(name='cabinets', label=_('Cabinets'))
 
diff --git a/mayan/apps/cabinets/forms.py b/mayan/apps/cabinets/forms.py
index 4a37ab7d07..5876fefcc6 100644
--- a/mayan/apps/cabinets/forms.py
+++ b/mayan/apps/cabinets/forms.py
@@ -5,7 +5,7 @@ import logging
 from django import forms
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
+from mayan.apps.acls.models import AccessControlList
 
 from .models import Cabinet
 
diff --git a/mayan/apps/cabinets/icons.py b/mayan/apps/cabinets/icons.py
index 472aa9541e..879186abf0 100644
--- a/mayan/apps/cabinets/icons.py
+++ b/mayan/apps/cabinets/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_cabinet = Icon(driver_name='fontawesome', symbol='columns')
 icon_cabinet_add = Icon(driver_name='fontawesome', symbol='plus')
diff --git a/mayan/apps/cabinets/links.py b/mayan/apps/cabinets/links.py
index 4799521a60..f1f6c12d1d 100644
--- a/mayan/apps/cabinets/links.py
+++ b/mayan/apps/cabinets/links.py
@@ -4,9 +4,9 @@ import copy
 
 from django.utils.translation import ugettext_lazy as _
 
-from acls.links import link_acl_list
-from documents.permissions import permission_document_view
-from navigation import Link, get_cascade_condition
+from mayan.apps.acls.links import link_acl_list
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.navigation import Link, get_cascade_condition
 
 from .icons import (
     icon_cabinet_add, icon_cabinet_child_add, icon_cabinet_create,
diff --git a/mayan/apps/cabinets/menus.py b/mayan/apps/cabinets/menus.py
index d936d37ffa..5e2a9253b6 100644
--- a/mayan/apps/cabinets/menus.py
+++ b/mayan/apps/cabinets/menus.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Menu, get_cascade_condition
+from mayan.apps.navigation import Menu, get_cascade_condition
 
 from .icons import icon_cabinet_list
 from .permissions import permission_cabinet_create, permission_cabinet_view
diff --git a/mayan/apps/cabinets/models.py b/mayan/apps/cabinets/models.py
index 014d304285..fd4f5a2b6b 100644
--- a/mayan/apps/cabinets/models.py
+++ b/mayan/apps/cabinets/models.py
@@ -9,9 +9,9 @@ from django.utils.translation import ugettext_lazy as _
 from mptt.fields import TreeForeignKey
 from mptt.models import MPTTModel
 
-from acls.models import AccessControlList
-from documents.models import Document
-from documents.permissions import permission_document_view
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.documents.models import Document
+from mayan.apps.documents.permissions import permission_document_view
 
 from .events import event_cabinets_add_document, event_cabinets_remove_document
 from .search import cabinet_search  # NOQA
diff --git a/mayan/apps/cabinets/permissions.py b/mayan/apps/cabinets/permissions.py
index effed2cffe..e6730ce111 100644
--- a/mayan/apps/cabinets/permissions.py
+++ b/mayan/apps/cabinets/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('cabinets', _('Cabinets'))
 
diff --git a/mayan/apps/cabinets/search.py b/mayan/apps/cabinets/search.py
index ffd9a888cc..24107d6f69 100644
--- a/mayan/apps/cabinets/search.py
+++ b/mayan/apps/cabinets/search.py
@@ -2,14 +2,14 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from dynamic_search.classes import SearchModel
+from mayan.apps.dynamic_search.classes import SearchModel
 
 from .permissions import permission_cabinet_view
 
 cabinet_search = SearchModel(
     app_label='cabinets', model_name='Cabinet',
     permission=permission_cabinet_view,
-    serializer_string='cabinets.serializers.CabinetSerializer'
+    serializer_string='mayan.apps.cabinets.serializers.CabinetSerializer'
 )
 
 cabinet_search.add_model_field(
diff --git a/mayan/apps/cabinets/serializers.py b/mayan/apps/cabinets/serializers.py
index ced682ce2f..e3d6867123 100644
--- a/mayan/apps/cabinets/serializers.py
+++ b/mayan/apps/cabinets/serializers.py
@@ -6,11 +6,10 @@ from django.utils.translation import ugettext_lazy as _
 from rest_framework import serializers
 from rest_framework.reverse import reverse
 from rest_framework.settings import api_settings
-
 from rest_framework_recursive.fields import RecursiveField
 
-from documents.models import Document
-from documents.serializers import DocumentSerializer
+from mayan.apps.documents.models import Document
+from mayan.apps.documents.serializers import DocumentSerializer
 
 from .models import Cabinet
 
diff --git a/mayan/apps/cabinets/tests/test_api.py b/mayan/apps/cabinets/tests/test_api.py
index 145194dbe9..52f7d922db 100644
--- a/mayan/apps/cabinets/tests/test_api.py
+++ b/mayan/apps/cabinets/tests/test_api.py
@@ -8,8 +8,8 @@ from django.utils.encoding import force_text
 from rest_framework import status
 from rest_framework.test import APITestCase
 
-from documents.tests import DocumentTestMixin
-from user_management.tests.literals import (
+from mayan.apps.documents.tests import DocumentTestMixin
+from mayan.apps.user_management.tests.literals import (
     TEST_ADMIN_EMAIL, TEST_ADMIN_PASSWORD, TEST_ADMIN_USERNAME
 )
 
diff --git a/mayan/apps/cabinets/tests/test_events.py b/mayan/apps/cabinets/tests/test_events.py
index e402b69403..08778b8330 100644
--- a/mayan/apps/cabinets/tests/test_events.py
+++ b/mayan/apps/cabinets/tests/test_events.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from actstream.models import Action
 
-from documents.tests.test_models import GenericDocumentTestCase
+from mayan.apps.documents.tests.test_models import GenericDocumentTestCase
 
 from ..events import (
     event_cabinets_add_document, event_cabinets_remove_document
diff --git a/mayan/apps/cabinets/tests/test_models.py b/mayan/apps/cabinets/tests/test_models.py
index 6f40297b88..44ba3ac4df 100644
--- a/mayan/apps/cabinets/tests/test_models.py
+++ b/mayan/apps/cabinets/tests/test_models.py
@@ -3,8 +3,8 @@ from __future__ import unicode_literals
 from django.core.exceptions import ValidationError
 from django.test import override_settings
 
-from common.tests import BaseTestCase
-from documents.tests import DocumentTestMixin
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.documents.tests import DocumentTestMixin
 
 from ..models import Cabinet
 
diff --git a/mayan/apps/cabinets/tests/test_views.py b/mayan/apps/cabinets/tests/test_views.py
index 999c683d5c..abe574ca07 100644
--- a/mayan/apps/cabinets/tests/test_views.py
+++ b/mayan/apps/cabinets/tests/test_views.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from documents.tests import GenericDocumentViewTestCase
+from mayan.apps.documents.tests import GenericDocumentViewTestCase
 
 from ..models import Cabinet
 from ..permissions import (
diff --git a/mayan/apps/cabinets/tests/test_wizard_steps.py b/mayan/apps/cabinets/tests/test_wizard_steps.py
index 09e444d1b7..a36f5ae9d9 100644
--- a/mayan/apps/cabinets/tests/test_wizard_steps.py
+++ b/mayan/apps/cabinets/tests/test_wizard_steps.py
@@ -1,15 +1,15 @@
 from __future__ import unicode_literals
 
-from documents.models import Document
-from documents.permissions import permission_document_create
-from documents.tests import (
+from mayan.apps.documents.models import Document
+from mayan.apps.documents.permissions import permission_document_create
+from mayan.apps.documents.tests import (
     GenericDocumentViewTestCase, TEST_SMALL_DOCUMENT_PATH,
 )
-from sources.models import WebFormSource
-from sources.tests.literals import (
+from mayan.apps.sources.models import WebFormSource
+from mayan.apps.sources.tests.literals import (
     TEST_SOURCE_LABEL, TEST_SOURCE_UNCOMPRESS_N
 )
-from sources.wizards import WizardStep
+from mayan.apps.sources.wizards import WizardStep
 
 from ..models import Cabinet
 from ..wizard_steps import WizardStepCabinets
diff --git a/mayan/apps/cabinets/views.py b/mayan/apps/cabinets/views.py
index b833f1ed90..8ca341b002 100644
--- a/mayan/apps/cabinets/views.py
+++ b/mayan/apps/cabinets/views.py
@@ -8,14 +8,14 @@ from django.template import RequestContext
 from django.urls import reverse_lazy
 from django.utils.translation import ugettext_lazy as _, ungettext
 
-from acls.models import AccessControlList
-from common.views import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.views import (
     MultipleObjectFormActionView, SingleObjectCreateView,
     SingleObjectDeleteView, SingleObjectEditView, SingleObjectListView
 )
-from documents.permissions import permission_document_view
-from documents.models import Document
-from documents.views import DocumentListView
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.documents.models import Document
+from mayan.apps.documents.views import DocumentListView
 
 from .forms import CabinetListForm
 from .icons import icon_cabinet
diff --git a/mayan/apps/cabinets/wizard_steps.py b/mayan/apps/cabinets/wizard_steps.py
index 5dd73c073c..7c37006e70 100644
--- a/mayan/apps/cabinets/wizard_steps.py
+++ b/mayan/apps/cabinets/wizard_steps.py
@@ -6,7 +6,7 @@ from django.apps import apps
 from django.utils.encoding import force_text
 from django.utils.translation import ugettext_lazy as _
 
-from sources.wizards import WizardStep
+from mayan.apps.sources.wizards import WizardStep
 
 from .forms import CabinetListForm
 from .permissions import permission_cabinet_add_document
diff --git a/mayan/apps/checkouts/__init__.py b/mayan/apps/checkouts/__init__.py
index e63340ef67..063c4bd45e 100644
--- a/mayan/apps/checkouts/__init__.py
+++ b/mayan/apps/checkouts/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'checkouts.apps.CheckoutsApp'
+default_app_config = 'mayan.apps.checkouts.apps.CheckoutsApp'
diff --git a/mayan/apps/checkouts/api_views.py b/mayan/apps/checkouts/api_views.py
index 0a4a2aba2a..d48dd2c669 100644
--- a/mayan/apps/checkouts/api_views.py
+++ b/mayan/apps/checkouts/api_views.py
@@ -2,8 +2,8 @@ from __future__ import absolute_import, unicode_literals
 
 from rest_framework import generics
 
-from acls.models import AccessControlList
-from documents.permissions import permission_document_view
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.documents.permissions import permission_document_view
 
 from .models import DocumentCheckout
 from .permissions import (
diff --git a/mayan/apps/checkouts/apps.py b/mayan/apps/checkouts/apps.py
index 56f21be914..7fc6105f3a 100644
--- a/mayan/apps/checkouts/apps.py
+++ b/mayan/apps/checkouts/apps.py
@@ -8,10 +8,10 @@ from django.apps import apps
 from django.db.models.signals import pre_save
 from django.utils.translation import ugettext_lazy as _
 
-from acls import ModelPermission
-from common import MayanAppConfig, menu_facet, menu_main, menu_sidebar
-from common.dashboards import dashboard_main
-from events import ModelEventType
+from mayan.apps.acls import ModelPermission
+from mayan.apps.common import MayanAppConfig, menu_facet, menu_main, menu_sidebar
+from mayan.apps.common.dashboards import dashboard_main
+from mayan.apps.events import ModelEventType
 from mayan.celery import app
 
 from .dashboard_widgets import DashboardWidgetTotalCheckouts
@@ -35,9 +35,11 @@ from .tasks import task_check_expired_check_outs  # NOQA
 
 
 class CheckoutsApp(MayanAppConfig):
+    app_namespace = 'checkouts'
+    app_url = 'checkouts'
     has_rest_api = True
     has_tests = True
-    name = 'checkouts'
+    name = 'mayan.apps.checkouts'
     verbose_name = _('Checkouts')
 
     def ready(self):
@@ -94,7 +96,7 @@ class CheckoutsApp(MayanAppConfig):
         app.conf.CELERYBEAT_SCHEDULE.update(
             {
                 'task_check_expired_check_outs': {
-                    'task': 'checkouts.tasks.task_check_expired_check_outs',
+                    'task': 'mayan.apps.checkouts.tasks.task_check_expired_check_outs',
                     'schedule': timedelta(
                         seconds=CHECK_EXPIRED_CHECK_OUTS_INTERVAL
                     ),
@@ -111,7 +113,7 @@ class CheckoutsApp(MayanAppConfig):
 
         app.conf.CELERY_ROUTES.update(
             {
-                'checkouts.tasks.task_check_expired_check_outs': {
+                'mayan.apps.checkouts.tasks.task_check_expired_check_outs': {
                     'queue': 'checkouts_periodic'
                 },
             }
diff --git a/mayan/apps/checkouts/dashboard_widgets.py b/mayan/apps/checkouts/dashboard_widgets.py
index 723600208a..5942ca27f4 100644
--- a/mayan/apps/checkouts/dashboard_widgets.py
+++ b/mayan/apps/checkouts/dashboard_widgets.py
@@ -4,8 +4,8 @@ from django.apps import apps
 from django.urls import reverse_lazy
 from django.utils.translation import ugettext_lazy as _
 
-from common.classes import DashboardWidgetNumeric
-from documents.permissions import permission_document_view
+from mayan.apps.common.classes import DashboardWidgetNumeric
+from mayan.apps.documents.permissions import permission_document_view
 
 from .icons import icon_dashboard_checkouts
 from .permissions import permission_document_checkout_detail_view
diff --git a/mayan/apps/checkouts/events.py b/mayan/apps/checkouts/events.py
index 2ce427beea..69036d2a29 100644
--- a/mayan/apps/checkouts/events.py
+++ b/mayan/apps/checkouts/events.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from events import EventTypeNamespace
+from mayan.apps.events import EventTypeNamespace
 
 namespace = EventTypeNamespace(name='checkouts', label=_('Checkouts'))
 
diff --git a/mayan/apps/checkouts/forms.py b/mayan/apps/checkouts/forms.py
index 8500dc07b3..355d888424 100644
--- a/mayan/apps/checkouts/forms.py
+++ b/mayan/apps/checkouts/forms.py
@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 from django import forms
 from django.utils.translation import ugettext_lazy as _
 
-from common.forms import DetailForm
+from mayan.apps.common.forms import DetailForm
 
 from .literals import STATE_LABELS
 from .models import DocumentCheckout
diff --git a/mayan/apps/checkouts/icons.py b/mayan/apps/checkouts/icons.py
index b618bf24f8..8fedf84d7e 100644
--- a/mayan/apps/checkouts/icons.py
+++ b/mayan/apps/checkouts/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_checkout_info = Icon(driver_name='fontawesome', symbol='shopping-cart')
 icon_dashboard_checkouts = Icon(
diff --git a/mayan/apps/checkouts/links.py b/mayan/apps/checkouts/links.py
index 99a3038f06..cb77c54477 100644
--- a/mayan/apps/checkouts/links.py
+++ b/mayan/apps/checkouts/links.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import icon_checkout_info
 from .permissions import (
diff --git a/mayan/apps/checkouts/managers.py b/mayan/apps/checkouts/managers.py
index 5f20d00efe..bdeb22f3e7 100644
--- a/mayan/apps/checkouts/managers.py
+++ b/mayan/apps/checkouts/managers.py
@@ -6,7 +6,7 @@ from django.apps import apps
 from django.db import models
 from django.utils.timezone import now
 
-from documents.models import Document
+from mayan.apps.documents.models import Document
 
 from .events import (
     event_document_auto_check_in, event_document_check_in,
diff --git a/mayan/apps/checkouts/models.py b/mayan/apps/checkouts/models.py
index 43a38d8848..c2b535b973 100644
--- a/mayan/apps/checkouts/models.py
+++ b/mayan/apps/checkouts/models.py
@@ -10,7 +10,7 @@ from django.utils.encoding import force_text, python_2_unicode_compatible
 from django.utils.timezone import now
 from django.utils.translation import ugettext_lazy as _
 
-from documents.models import Document
+from mayan.apps.documents.models import Document
 
 from .events import event_document_check_out
 from .exceptions import DocumentAlreadyCheckedOut
diff --git a/mayan/apps/checkouts/permissions.py b/mayan/apps/checkouts/permissions.py
index d385538564..fa0f0468ed 100644
--- a/mayan/apps/checkouts/permissions.py
+++ b/mayan/apps/checkouts/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('checkouts', _('Document checkout'))
 
diff --git a/mayan/apps/checkouts/queues.py b/mayan/apps/checkouts/queues.py
index 91896cda50..3792211019 100644
--- a/mayan/apps/checkouts/queues.py
+++ b/mayan/apps/checkouts/queues.py
@@ -2,12 +2,12 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from task_manager.classes import CeleryQueue
+from mayan.apps.task_manager.classes import CeleryQueue
 
 queue_checkouts_periodic = CeleryQueue(
     name='checkouts_periodic', label=_('Checkouts periodic'), transient=True
 )
 queue_checkouts_periodic.add_task_type(
-    name='task_check_expired_check_outs',
+    name='mayan.apps.task_check_expired_check_outs',
     label=_('Check expired checkouts')
 )
diff --git a/mayan/apps/checkouts/serializers.py b/mayan/apps/checkouts/serializers.py
index 0c6564cb45..4a5c1c4478 100644
--- a/mayan/apps/checkouts/serializers.py
+++ b/mayan/apps/checkouts/serializers.py
@@ -4,9 +4,9 @@ from django.utils.translation import ugettext_lazy as _
 
 from rest_framework import serializers
 
-from acls.models import AccessControlList
-from documents.models import Document
-from documents.serializers import DocumentSerializer
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.documents.models import Document
+from mayan.apps.documents.serializers import DocumentSerializer
 
 from .models import DocumentCheckout
 from .permissions import permission_document_checkout
diff --git a/mayan/apps/checkouts/tasks.py b/mayan/apps/checkouts/tasks.py
index 2f437ad8e1..68f17b4865 100644
--- a/mayan/apps/checkouts/tasks.py
+++ b/mayan/apps/checkouts/tasks.py
@@ -4,8 +4,8 @@ import logging
 
 from django.apps import apps
 
-from lock_manager import LockError
-from lock_manager.runtime import locking_backend
+from mayan.apps.lock_manager import LockError
+from mayan.apps.lock_manager.runtime import locking_backend
 from mayan.celery import app
 
 from .literals import CHECKOUT_EXPIRATION_LOCK_EXPIRE
diff --git a/mayan/apps/checkouts/tests/test_api.py b/mayan/apps/checkouts/tests/test_api.py
index 5fb2122658..3c8df4d991 100644
--- a/mayan/apps/checkouts/tests/test_api.py
+++ b/mayan/apps/checkouts/tests/test_api.py
@@ -8,9 +8,9 @@ from django.utils.timezone import now
 
 from rest_framework import status
 
-from documents.tests import DocumentTestMixin
-from documents.permissions import permission_document_view
-from rest_api.tests import BaseAPITestCase
+from mayan.apps.documents.tests import DocumentTestMixin
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.rest_api.tests import BaseAPITestCase
 
 from ..models import DocumentCheckout
 from ..permissions import (
diff --git a/mayan/apps/checkouts/tests/test_models.py b/mayan/apps/checkouts/tests/test_models.py
index f3c08675f2..57af52e9bf 100644
--- a/mayan/apps/checkouts/tests/test_models.py
+++ b/mayan/apps/checkouts/tests/test_models.py
@@ -7,9 +7,9 @@ import time
 from django.test import override_settings
 from django.utils.timezone import now
 
-from common.tests import BaseTestCase
-from documents.tests import DocumentTestMixin
-from documents.tests.literals import TEST_SMALL_DOCUMENT_PATH
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.documents.tests import DocumentTestMixin
+from mayan.apps.documents.tests.literals import TEST_SMALL_DOCUMENT_PATH
 
 from ..exceptions import (
     DocumentAlreadyCheckedOut, DocumentNotCheckedOut,
diff --git a/mayan/apps/checkouts/tests/test_views.py b/mayan/apps/checkouts/tests/test_views.py
index 8f6b74b843..3daa2ab210 100644
--- a/mayan/apps/checkouts/tests/test_views.py
+++ b/mayan/apps/checkouts/tests/test_views.py
@@ -5,10 +5,10 @@ import logging
 
 from django.utils.timezone import now
 
-from common.literals import TIME_DELTA_UNIT_DAYS
-from documents.tests import GenericDocumentViewTestCase
-from sources.links import link_upload_version
-from user_management.tests.literals import (
+from mayan.apps.common.literals import TIME_DELTA_UNIT_DAYS
+from mayan.apps.documents.tests import GenericDocumentViewTestCase
+from mayan.apps.sources.links import link_upload_version
+from mayan.apps.user_management.tests.literals import (
     TEST_USER_PASSWORD, TEST_USER_USERNAME, TEST_ADMIN_PASSWORD,
     TEST_ADMIN_USERNAME,
 )
diff --git a/mayan/apps/checkouts/views.py b/mayan/apps/checkouts/views.py
index fcacd5a753..1cc8abcc04 100644
--- a/mayan/apps/checkouts/views.py
+++ b/mayan/apps/checkouts/views.py
@@ -6,14 +6,13 @@ from django.shortcuts import get_object_or_404
 from django.urls import reverse
 from django.utils.translation import ugettext_lazy as _
 
-from documents.models import Document
-from documents.views import DocumentListView
-
-from acls.models import AccessControlList
-from common.generics import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.generics import (
     ConfirmView, SingleObjectCreateView, SingleObjectDetailView
 )
-from common.utils import encapsulate
+from mayan.apps.common.utils import encapsulate
+from mayan.apps.documents.models import Document
+from mayan.apps.documents.views import DocumentListView
 
 from .exceptions import DocumentAlreadyCheckedOut, DocumentNotCheckedOut
 from .forms import DocumentCheckoutForm, DocumentCheckoutDefailForm
diff --git a/mayan/apps/checkouts/widgets.py b/mayan/apps/checkouts/widgets.py
index 063c27de3d..459506ef69 100644
--- a/mayan/apps/checkouts/widgets.py
+++ b/mayan/apps/checkouts/widgets.py
@@ -6,7 +6,7 @@ from django import forms
 from django.utils.timezone import now
 from django.utils.translation import ugettext_lazy as _
 
-from common.literals import TIME_DELTA_UNIT_CHOICES
+from mayan.apps.common.literals import TIME_DELTA_UNIT_CHOICES
 
 
 class SplitTimeDeltaWidget(forms.widgets.MultiWidget):
diff --git a/mayan/apps/common/__init__.py b/mayan/apps/common/__init__.py
index 647dde0ede..d97a8218a5 100644
--- a/mayan/apps/common/__init__.py
+++ b/mayan/apps/common/__init__.py
@@ -4,4 +4,4 @@ from .apps import MayanAppConfig  # NOQA
 from .classes import MissingItem  # NOQA
 from .menus import *  # NOQA
 
-default_app_config = 'common.apps.CommonApp'
+default_app_config = 'mayan.apps.common.apps.CommonApp'
diff --git a/mayan/apps/common/apps.py b/mayan/apps/common/apps.py
index 71e86aaf6a..fff79777b2 100644
--- a/mayan/apps/common/apps.py
+++ b/mayan/apps/common/apps.py
@@ -47,10 +47,11 @@ logger = logging.getLogger(__name__)
 
 
 class MayanAppConfig(apps.AppConfig):
-    app_url = None
     app_namespace = None
+    app_url = None
 
     def ready(self):
+        logger.debug('Initializing app: %s', self.name)
         from mayan.urls import urlpatterns
 
         if self.app_url:
@@ -70,7 +71,7 @@ class MayanAppConfig(apps.AppConfig):
             ),
         except ImportError as exception:
             if force_text(exception) not in ('No module named urls', 'No module named \'{}.urls\''.format(self.name)):
-                logger.error(
+                logger.exception(
                     'Import time error when running AppConfig.ready() of app '
                     '"%s".', self.name
                 )
@@ -78,10 +79,11 @@ class MayanAppConfig(apps.AppConfig):
 
 
 class CommonApp(MayanAppConfig):
+    app_namespace = 'common'
     app_url = ''
     has_rest_api = True
     has_tests = True
-    name = 'common'
+    name = 'mayan.apps.common'
     verbose_name = _('Common')
 
     def ready(self):
@@ -96,7 +98,7 @@ class CommonApp(MayanAppConfig):
         app.conf.CELERYBEAT_SCHEDULE.update(
             {
                 'task_delete_stale_uploads': {
-                    'task': 'common.tasks.task_delete_stale_uploads',
+                    'task': 'mayan.apps.common.tasks.task_delete_stale_uploads',
                     'schedule': timedelta(
                         seconds=DELETE_STALE_UPLOADS_INTERVAL
                     ),
@@ -119,7 +121,7 @@ class CommonApp(MayanAppConfig):
 
         app.conf.CELERY_ROUTES.update(
             {
-                'common.tasks.task_delete_stale_uploads': {
+                'mayan.apps.common.tasks.task_delete_stale_uploads': {
                     'queue': 'common_periodic'
                 },
             }
@@ -191,7 +193,7 @@ class CommonApp(MayanAppConfig):
                 'disable_existing_loggers': False,
                 'formatters': {
                     'intermediate': {
-                        'format': '%(name)s <%(process)d> [%(levelname)s] "%(funcName)s() line %(lineno)d %(message)s"'
+                        'format': '%(name)s <%(process)d> [%(levelname)s] "%(funcName)s() line %(lineno)d %(message)s"',
                     },
                     'logfile': {
                         'format': '%(asctime)s %(name)s <%(process)d> [%(levelname)s] "%(funcName)s() line %(lineno)d %(message)s"'
diff --git a/mayan/apps/common/compressed_files.py b/mayan/apps/common/compressed_files.py
index 650aa1e527..e9b819fdd5 100644
--- a/mayan/apps/common/compressed_files.py
+++ b/mayan/apps/common/compressed_files.py
@@ -12,7 +12,7 @@ except ImportError:
 
 from django.core.files.uploadedfile import SimpleUploadedFile
 
-from mimetype.api import get_mimetype
+from mayan.apps.mimetype.api import get_mimetype
 
 from .exceptions import NoMIMETypeMatch
 
diff --git a/mayan/apps/common/icons.py b/mayan/apps/common/icons.py
index 69e3b34c8c..a1e6c3e960 100644
--- a/mayan/apps/common/icons.py
+++ b/mayan/apps/common/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_about = Icon(driver_name='fontawesome', symbol='info')
 icon_assign_remove_add = Icon(driver_name='fontawesome', symbol='plus')
diff --git a/mayan/apps/common/links.py b/mayan/apps/common/links.py
index a436040345..f73d5a93a1 100644
--- a/mayan/apps/common/links.py
+++ b/mayan/apps/common/links.py
@@ -3,8 +3,8 @@ from __future__ import unicode_literals
 from django.apps import apps
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
-from navigation.classes import Separator, Text
+from mayan.apps.navigation import Link
+from mayan.apps.navigation.classes import Separator, Text
 
 from .icons import (
     icon_about, icon_check_version, icon_current_user_details,
diff --git a/mayan/apps/common/management/commands/convertdb.py b/mayan/apps/common/management/commands/convertdb.py
index 4e92328683..bd822aba4e 100644
--- a/mayan/apps/common/management/commands/convertdb.py
+++ b/mayan/apps/common/management/commands/convertdb.py
@@ -11,8 +11,8 @@ from django.core.management.base import CommandError
 from django.utils.encoding import force_text
 from django.utils.translation import ugettext_lazy as _
 
-from common.utils import fs_cleanup
-from documents.models import DocumentType
+from mayan.apps.common.utils import fs_cleanup
+from mayan.apps.documents.models import DocumentType
 
 CONVERTDB_FOLDER = 'convertdb'
 CONVERTDB_OUTPUT_FILENAME = 'migrate.json'
diff --git a/mayan/apps/common/menus.py b/mayan/apps/common/menus.py
index f5ed0b1748..7ee8c2e9e8 100644
--- a/mayan/apps/common/menus.py
+++ b/mayan/apps/common/menus.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Menu
+from mayan.apps.navigation import Menu
 
 from .icons import icon_menu_about, icon_menu_user
 
diff --git a/mayan/apps/common/migrations/0001_initial.py b/mayan/apps/common/migrations/0001_initial.py
index 64d69475c5..932065f6cf 100644
--- a/mayan/apps/common/migrations/0001_initial.py
+++ b/mayan/apps/common/migrations/0001_initial.py
@@ -5,7 +5,7 @@ from django.db import models, migrations
 from django.conf import settings
 from django.core.files.storage import FileSystemStorage
 
-import common.models
+import mayan.apps.common.models
 
 
 class Migration(migrations.Migration):
@@ -77,7 +77,7 @@ class Migration(migrations.Migration):
                 ),
                 (
                     'file', models.FileField(
-                        upload_to=common.models.upload_to,
+                        upload_to=mayan.apps.common.models.upload_to,
                         storage=FileSystemStorage(),
                         verbose_name='File'
                     )
diff --git a/mayan/apps/common/migrations/0010_auto_20180403_0702.py b/mayan/apps/common/migrations/0010_auto_20180403_0702.py
index 5b267ff587..3cf2931c30 100644
--- a/mayan/apps/common/migrations/0010_auto_20180403_0702.py
+++ b/mayan/apps/common/migrations/0010_auto_20180403_0702.py
@@ -2,7 +2,7 @@
 # Generated by Django 1.11.11 on 2018-04-03 07:02
 from __future__ import unicode_literals
 
-import common.models
+import mayan.apps.common.models
 import django.core.files.storage
 from django.db import migrations, models
 
@@ -17,6 +17,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='shareduploadedfile',
             name='file',
-            field=models.FileField(storage=django.core.files.storage.FileSystemStorage(location=b'mayan/media/shared_files'), upload_to=common.models.upload_to, verbose_name='File'),
+            field=models.FileField(storage=django.core.files.storage.FileSystemStorage(location=b'mayan/media/shared_files'), upload_to=mayan.apps.common.models.upload_to, verbose_name='File'),
         ),
     ]
diff --git a/mayan/apps/common/migrations/0011_auto_20180429_0758.py b/mayan/apps/common/migrations/0011_auto_20180429_0758.py
index 131b172666..be68c11841 100644
--- a/mayan/apps/common/migrations/0011_auto_20180429_0758.py
+++ b/mayan/apps/common/migrations/0011_auto_20180429_0758.py
@@ -2,7 +2,7 @@
 # Generated by Django 1.11.11 on 2018-04-29 07:58
 from __future__ import unicode_literals
 
-import common.models
+import mayan.apps.common.models
 import django.core.files.storage
 from django.db import migrations, models
 
@@ -17,6 +17,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='shareduploadedfile',
             name='file',
-            field=models.FileField(storage=django.core.files.storage.FileSystemStorage(location=b'/home/rosarior/development/mayan-edms/mayan/media/shared_files'), upload_to=common.models.upload_to, verbose_name='File'),
+            field=models.FileField(storage=django.core.files.storage.FileSystemStorage(location=b'/home/rosarior/development/mayan-edms/mayan/media/shared_files'), upload_to=mayan.apps.common.models.upload_to, verbose_name='File'),
         ),
     ]
diff --git a/mayan/apps/common/mixins.py b/mayan/apps/common/mixins.py
index e3541fce2e..b3a128d9d2 100644
--- a/mayan/apps/common/mixins.py
+++ b/mayan/apps/common/mixins.py
@@ -8,9 +8,8 @@ from django.http import HttpResponseRedirect
 from django.shortcuts import resolve_url
 from django.utils.translation import ungettext, ugettext_lazy as _
 
-from permissions import Permission
-
-from acls.models import AccessControlList
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.permissions import Permission
 
 from .exceptions import ActionError
 from .forms import DynamicForm
diff --git a/mayan/apps/common/permissions_runtime.py b/mayan/apps/common/permissions_runtime.py
index 578b19ed2d..25527c34cf 100644
--- a/mayan/apps/common/permissions_runtime.py
+++ b/mayan/apps/common/permissions_runtime.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('common', _('Common'))
 
diff --git a/mayan/apps/common/queues.py b/mayan/apps/common/queues.py
index b6cda215d0..bf649abb48 100644
--- a/mayan/apps/common/queues.py
+++ b/mayan/apps/common/queues.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from task_manager.classes import CeleryQueue
+from mayan.apps.task_manager.classes import CeleryQueue
 
 queue_default = CeleryQueue(
     name='default', label=_('Default'), is_default_queue=True
@@ -12,6 +12,6 @@ queue_common_periodic = CeleryQueue(
     name='common_periodic', label=_('Common periodic'), transient=True
 )
 queue_common_periodic.add_task_type(
-    name='common.tasks.task_delete_stale_uploads',
+    name='mayan.apps.common.tasks.task_delete_stale_uploads',
     label=_('Delete stale uploads')
 )
diff --git a/mayan/apps/common/settings.py b/mayan/apps/common/settings.py
index f28ce9cb45..612707460d 100644
--- a/mayan/apps/common/settings.py
+++ b/mayan/apps/common/settings.py
@@ -7,7 +7,7 @@ from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
 
 import mayan
-from smart_settings import Namespace
+from mayan.apps.smart_settings import Namespace
 
 namespace = Namespace(name='common', label=_('Common'))
 
diff --git a/mayan/apps/common/tests/base.py b/mayan/apps/common/tests/base.py
index 91a2b611b9..5cdd423e23 100644
--- a/mayan/apps/common/tests/base.py
+++ b/mayan/apps/common/tests/base.py
@@ -4,10 +4,10 @@ from django.test import TestCase
 
 from django_downloadview import assert_download_response
 
-from acls.tests.mixins import ACLTestCaseMixin
-from permissions.classes import Permission
-from smart_settings.classes import Namespace
-from user_management.tests.mixins import UserTestCaseMixin
+from mayan.apps.acls.tests.mixins import ACLTestCaseMixin
+from mayan.apps.permissions.classes import Permission
+from mayan.apps.smart_settings.classes import Namespace
+from mayan.apps.user_management.tests.mixins import UserTestCaseMixin
 
 from .mixins import (
     ClientMethodsTestCaseMixin, ContentTypeCheckTestCaseMixin,
diff --git a/mayan/apps/common/tests/test_api.py b/mayan/apps/common/tests/test_api.py
index e254fb0bd9..a3d6a48650 100644
--- a/mayan/apps/common/tests/test_api.py
+++ b/mayan/apps/common/tests/test_api.py
@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 from django.urls import reverse
 from django.test import override_settings
 
-from rest_api.tests import BaseAPITestCase
+from mayan.apps.rest_api.tests import BaseAPITestCase
 
 from ..classes import Template
 
diff --git a/mayan/apps/common/tests/test_compressed_files.py b/mayan/apps/common/tests/test_compressed_files.py
index a89d0d3f61..30e1634d87 100644
--- a/mayan/apps/common/tests/test_compressed_files.py
+++ b/mayan/apps/common/tests/test_compressed_files.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 
-from common.tests import BaseTestCase
+from mayan.apps.common.tests import BaseTestCase
 
 from ..compressed_files import Archive, TarArchive, ZipArchive
 
diff --git a/mayan/apps/common/tests/test_models.py b/mayan/apps/common/tests/test_models.py
index 7ef6106649..064d0cc542 100644
--- a/mayan/apps/common/tests/test_models.py
+++ b/mayan/apps/common/tests/test_models.py
@@ -1,7 +1,7 @@
 from __future__ import unicode_literals
 
-from common.tests import BaseTestCase
-from user_management.tests.mixins import UserTestMixin
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.user_management.tests.mixins import UserTestMixin
 
 
 class UserLocaleProfileTestCase(UserTestMixin, BaseTestCase):
diff --git a/mayan/apps/common/tests/test_views.py b/mayan/apps/common/tests/test_views.py
index 407a1c2495..911c9481b3 100644
--- a/mayan/apps/common/tests/test_views.py
+++ b/mayan/apps/common/tests/test_views.py
@@ -3,7 +3,7 @@ from __future__ import absolute_import, unicode_literals
 from django.contrib.auth import get_user_model
 from django.contrib.contenttypes.models import ContentType
 
-from acls import ModelPermission
+from mayan.apps.acls import ModelPermission
 
 from ..models import ErrorLogEntry
 from ..permissions_runtime import permission_error_log_view
diff --git a/mayan/apps/common/utils.py b/mayan/apps/common/utils.py
index 48b509f2b6..a9791343e0 100644
--- a/mayan/apps/common/utils.py
+++ b/mayan/apps/common/utils.py
@@ -16,8 +16,8 @@ from django.utils.http import (
 from django.utils.six.moves import reduce as reduce_function, xmlrpc_client
 from django.utils.translation import ugettext_lazy as _
 
-from common.compat import dict_type, dictionary_type
 import mayan
+from mayan.apps.common.compat import dict_type, dictionary_type
 
 from .exceptions import NotLatestVersion, UnknownLatestVersion
 from .literals import DJANGO_SQLITE_BACKEND, MAYAN_PYPI_NAME, PYPI_URL
diff --git a/mayan/apps/common/views.py b/mayan/apps/common/views.py
index 0fa384192f..316f817a38 100644
--- a/mayan/apps/common/views.py
+++ b/mayan/apps/common/views.py
@@ -14,7 +14,7 @@ from django.utils.http import urlencode
 from django.utils.translation import ugettext_lazy as _
 from django.views.generic import RedirectView, TemplateView
 
-from acls.models import AccessControlList
+from mayan.apps.acls.models import AccessControlList
 
 from .exceptions import NotLatestVersion, UnknownLatestVersion
 from .forms import (
diff --git a/mayan/apps/converter/__init__.py b/mayan/apps/converter/__init__.py
index 05b6a1632a..a643e11bef 100644
--- a/mayan/apps/converter/__init__.py
+++ b/mayan/apps/converter/__init__.py
@@ -6,4 +6,4 @@ from .transformations import (  # NOQA
     TransformationZoom
 )
 
-default_app_config = 'converter.apps.ConverterApp'
+default_app_config = 'mayan.apps.converter.apps.ConverterApp'
diff --git a/mayan/apps/converter/apps.py b/mayan/apps/converter/apps.py
index f742adc89a..54d448c76c 100644
--- a/mayan/apps/converter/apps.py
+++ b/mayan/apps/converter/apps.py
@@ -3,9 +3,8 @@ from __future__ import unicode_literals
 from django.utils.encoding import force_text
 from django.utils.translation import ugettext_lazy as _
 
-from common import MayanAppConfig, menu_object, menu_sidebar
-
-from navigation import SourceColumn
+from mayan.apps.common import MayanAppConfig, menu_object, menu_sidebar
+from mayan.apps.navigation import SourceColumn
 
 from .links import (
     link_transformation_create, link_transformation_delete,
@@ -15,8 +14,10 @@ from .licenses import *  # NOQA
 
 
 class ConverterApp(MayanAppConfig):
+    app_namespace = 'converter'
+    app_url = 'converter'
     has_tests = True
-    name = 'converter'
+    name = 'mayan.apps.converter'
     verbose_name = _('Converter')
 
     def ready(self):
diff --git a/mayan/apps/converter/backends/python.py b/mayan/apps/converter/backends/python.py
index 706c8a744d..d9f25261e9 100644
--- a/mayan/apps/converter/backends/python.py
+++ b/mayan/apps/converter/backends/python.py
@@ -12,7 +12,7 @@ import yaml
 from django.utils.encoding import force_text
 from django.utils.translation import ugettext_lazy as _
 
-from common.utils import fs_cleanup, mkstemp
+from mayan.apps.common.utils import fs_cleanup, mkstemp
 
 from ..classes import ConverterBase
 from ..exceptions import PageCountError
diff --git a/mayan/apps/converter/classes.py b/mayan/apps/converter/classes.py
index afdef6d93c..1aebf12d6e 100644
--- a/mayan/apps/converter/classes.py
+++ b/mayan/apps/converter/classes.py
@@ -11,9 +11,9 @@ import yaml
 
 from django.utils.translation import ugettext_lazy as _
 
-from common.settings import setting_temporary_directory
-from common.utils import fs_cleanup, mkdtemp, mkstemp
-from mimetype.api import get_mimetype
+from mayan.apps.common.settings import setting_temporary_directory
+from mayan.apps.common.utils import fs_cleanup, mkdtemp, mkstemp
+from mayan.apps.mimetype.api import get_mimetype
 
 from .exceptions import InvalidOfficeFormat, OfficeConversionError
 from .literals import (
diff --git a/mayan/apps/converter/icons.py b/mayan/apps/converter/icons.py
index d87a5fc8d6..38285447b4 100644
--- a/mayan/apps/converter/icons.py
+++ b/mayan/apps/converter/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_transformation = Icon(driver_name='fontawesome', symbol='crop')
 icon_transformation_create = Icon(driver_name='fontawesome', symbol='plus')
diff --git a/mayan/apps/converter/licenses.py b/mayan/apps/converter/licenses.py
index a319c0082f..bd8f90d569 100644
--- a/mayan/apps/converter/licenses.py
+++ b/mayan/apps/converter/licenses.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 
-from common.classes import Package
+from mayan.apps.common.classes import Package
 
 Package(label='Pillow', license_text='''
 The Python Imaging Library (PIL) is
diff --git a/mayan/apps/converter/links.py b/mayan/apps/converter/links.py
index f217428208..85dc35778c 100644
--- a/mayan/apps/converter/links.py
+++ b/mayan/apps/converter/links.py
@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 from django.apps import apps
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import icon_transformation, icon_transformation_create
 from .permissions import (
diff --git a/mayan/apps/converter/migrations/0001_initial.py b/mayan/apps/converter/migrations/0001_initial.py
index 3b21ffe27b..0e67a82690 100644
--- a/mayan/apps/converter/migrations/0001_initial.py
+++ b/mayan/apps/converter/migrations/0001_initial.py
@@ -2,7 +2,8 @@
 from __future__ import unicode_literals
 
 from django.db import models, migrations
-import converter.models
+
+import mayan.apps.converter.models
 
 
 class Migration(migrations.Migration):
@@ -40,7 +41,7 @@ class Migration(migrations.Migration):
                 (
                     'arguments', models.TextField(
                         blank=True, null=True, verbose_name='Arguments',
-                        validators=[converter.validators.YAMLValidator]
+                        validators=[mayan.apps.converter.validators.YAMLValidator]
                     )
                 ),
                 (
diff --git a/mayan/apps/converter/migrations/0003_auto_20150704_0731.py b/mayan/apps/converter/migrations/0003_auto_20150704_0731.py
index 0520d15479..bac515dc5d 100644
--- a/mayan/apps/converter/migrations/0003_auto_20150704_0731.py
+++ b/mayan/apps/converter/migrations/0003_auto_20150704_0731.py
@@ -2,7 +2,8 @@
 from __future__ import unicode_literals
 
 from django.db import models, migrations
-import converter.validators
+
+import mayan.apps.converter.validators
 
 
 class Migration(migrations.Migration):
@@ -19,7 +20,7 @@ class Migration(migrations.Migration):
                 default='', help_text='Enter the arguments for the '
                 'transformation as a YAML dictionary. ie: {"degrees": 180}',
                 blank=True, verbose_name='Arguments', validators=[
-                    converter.validators.YAMLValidator
+                    mayan.apps.converter.validators.YAMLValidator
                 ]
             ),
             preserve_default=False,
diff --git a/mayan/apps/converter/migrations/0004_auto_20150704_0753.py b/mayan/apps/converter/migrations/0004_auto_20150704_0753.py
index a5a45632ce..d3e5ef1927 100644
--- a/mayan/apps/converter/migrations/0004_auto_20150704_0753.py
+++ b/mayan/apps/converter/migrations/0004_auto_20150704_0753.py
@@ -2,7 +2,8 @@
 from __future__ import unicode_literals
 
 from django.db import models, migrations
-import converter.validators
+
+import mayan.apps.converter.validators
 
 
 class Migration(migrations.Migration):
@@ -19,7 +20,7 @@ class Migration(migrations.Migration):
                 help_text='Enter the arguments for the transformation as a '
                 'YAML dictionary. ie: {"degrees": 180}',
                 blank=True, verbose_name='Arguments',
-                validators=[converter.validators.YAMLValidator()]
+                validators=[mayan.apps.converter.validators.YAMLValidator()]
             ),
             preserve_default=True,
         ),
diff --git a/mayan/apps/converter/migrations/0005_auto_20150708_0118.py b/mayan/apps/converter/migrations/0005_auto_20150708_0118.py
index 26a10ea051..afef03835b 100644
--- a/mayan/apps/converter/migrations/0005_auto_20150708_0118.py
+++ b/mayan/apps/converter/migrations/0005_auto_20150708_0118.py
@@ -2,7 +2,8 @@
 from __future__ import unicode_literals
 
 from django.db import models, migrations
-import converter.validators
+
+import mayan.apps.converter.validators
 
 
 class Migration(migrations.Migration):
@@ -19,7 +20,7 @@ class Migration(migrations.Migration):
                 help_text='Enter the arguments for the transformation as a '
                 'YAML dictionary. ie: {"degrees": 180}', blank=True,
                 verbose_name='Arguments',
-                validators=[converter.validators.YAMLValidator()]
+                validators=[mayan.apps.converter.validators.YAMLValidator()]
             ),
             preserve_default=True,
         ),
diff --git a/mayan/apps/converter/migrations/0006_auto_20150708_0120.py b/mayan/apps/converter/migrations/0006_auto_20150708_0120.py
index 0d6b09961e..9620b8e0f2 100644
--- a/mayan/apps/converter/migrations/0006_auto_20150708_0120.py
+++ b/mayan/apps/converter/migrations/0006_auto_20150708_0120.py
@@ -2,7 +2,8 @@
 from __future__ import unicode_literals
 
 from django.db import models, migrations
-import converter.models
+
+import mayan.apps.converter.models
 
 
 class Migration(migrations.Migration):
@@ -19,7 +20,7 @@ class Migration(migrations.Migration):
                 help_text='Enter the arguments for the transformation as a '
                 'YAML dictionary. ie: {"degrees": 180}', blank=True,
                 verbose_name='Arguments', validators=getattr(
-                    converter.models, 'validators', []
+                    mayan.apps.converter.models, 'validators', []
                 )
             ),
             preserve_default=True,
diff --git a/mayan/apps/converter/migrations/0007_auto_20150711_0656.py b/mayan/apps/converter/migrations/0007_auto_20150711_0656.py
index 6cbf947d5a..540661ad9e 100644
--- a/mayan/apps/converter/migrations/0007_auto_20150711_0656.py
+++ b/mayan/apps/converter/migrations/0007_auto_20150711_0656.py
@@ -2,7 +2,8 @@
 from __future__ import unicode_literals
 
 from django.db import models, migrations
-import converter.validators
+
+import mayan.apps.converter.validators
 
 
 class Migration(migrations.Migration):
@@ -19,7 +20,7 @@ class Migration(migrations.Migration):
                 help_text='Enter the arguments for the transformation as a '
                 'YAML dictionary. ie: {"degrees": 180}', blank=True,
                 verbose_name='Arguments',
-                validators=[converter.validators.YAMLValidator()]
+                validators=[mayan.apps.converter.validators.YAMLValidator()]
             ),
             preserve_default=True,
         ),
diff --git a/mayan/apps/converter/permissions.py b/mayan/apps/converter/permissions.py
index 73d7ea86ba..cbb575a0e9 100644
--- a/mayan/apps/converter/permissions.py
+++ b/mayan/apps/converter/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('converter', _('Converter'))
 
diff --git a/mayan/apps/converter/settings.py b/mayan/apps/converter/settings.py
index 678b5de8b0..b75f8689d8 100644
--- a/mayan/apps/converter/settings.py
+++ b/mayan/apps/converter/settings.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from smart_settings import Namespace
+from mayan.apps.smart_settings import Namespace
 
 from .literals import (
     DEFAULT_LIBREOFFICE_PATH, DEFAULT_PDFTOPPM_DPI, DEFAULT_PDFTOPPM_FORMAT,
@@ -11,7 +11,7 @@ from .literals import (
 
 namespace = Namespace(name='converter', label=_('Converter'))
 setting_graphics_backend = namespace.add_setting(
-    default='converter.backends.python.Python',
+    default='mayan.apps.converter.backends.python.Python',
     help_text=_('Graphics conversion backend to use.'),
     global_name='CONVERTER_GRAPHICS_BACKEND',
 )
diff --git a/mayan/apps/converter/tests/test_transformations.py b/mayan/apps/converter/tests/test_transformations.py
index 2773ea4108..0541708aba 100644
--- a/mayan/apps/converter/tests/test_transformations.py
+++ b/mayan/apps/converter/tests/test_transformations.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.test import TestCase
 
-from documents.tests import GenericDocumentTestCase
+from mayan.apps.documents.tests import GenericDocumentTestCase
 
 from ..models import Transformation
 from ..transformations import (
diff --git a/mayan/apps/converter/tests/test_views.py b/mayan/apps/converter/tests/test_views.py
index 4cea22811f..7a64166d6f 100644
--- a/mayan/apps/converter/tests/test_views.py
+++ b/mayan/apps/converter/tests/test_views.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.contrib.contenttypes.models import ContentType
 
-from documents.tests import GenericDocumentViewTestCase
+from mayan.apps.documents.tests import GenericDocumentViewTestCase
 
 from ..models import Transformation
 from ..permissions import (
diff --git a/mayan/apps/converter/views.py b/mayan/apps/converter/views.py
index f9af17a751..d1ec08c0a7 100644
--- a/mayan/apps/converter/views.py
+++ b/mayan/apps/converter/views.py
@@ -9,8 +9,8 @@ from django.template import RequestContext
 from django.urls import reverse
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
-from common.views import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.views import (
     SingleObjectCreateView, SingleObjectDeleteView, SingleObjectEditView,
     SingleObjectListView
 )
diff --git a/mayan/apps/django_gpg/__init__.py b/mayan/apps/django_gpg/__init__.py
index aaa35022cd..488c100370 100644
--- a/mayan/apps/django_gpg/__init__.py
+++ b/mayan/apps/django_gpg/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'django_gpg.apps.DjangoGPGApp'
+default_app_config = 'mayan.apps.django_gpg.apps.DjangoGPGApp'
diff --git a/mayan/apps/django_gpg/api_views.py b/mayan/apps/django_gpg/api_views.py
index 17a9a8f92e..47014873da 100644
--- a/mayan/apps/django_gpg/api_views.py
+++ b/mayan/apps/django_gpg/api_views.py
@@ -2,8 +2,8 @@ from __future__ import absolute_import, unicode_literals
 
 from rest_framework import generics
 
-from rest_api.filters import MayanObjectPermissionsFilter
-from rest_api.permissions import MayanPermission
+from mayan.apps.rest_api.filters import MayanObjectPermissionsFilter
+from mayan.apps.rest_api.permissions import MayanPermission
 
 from .models import Key
 from .permissions import (
diff --git a/mayan/apps/django_gpg/apps.py b/mayan/apps/django_gpg/apps.py
index 065c3198cb..0362b64415 100644
--- a/mayan/apps/django_gpg/apps.py
+++ b/mayan/apps/django_gpg/apps.py
@@ -2,13 +2,13 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from acls import ModelPermission
-from acls.links import link_acl_list
-from acls.permissions import permission_acl_edit, permission_acl_view
-from common import (
+from mayan.apps.acls import ModelPermission
+from mayan.apps.acls.links import link_acl_list
+from mayan.apps.acls.permissions import permission_acl_edit, permission_acl_view
+from mayan.apps.common import (
     MayanAppConfig, menu_facet, menu_object, menu_setup, menu_sidebar
 )
-from navigation import SourceColumn
+from mayan.apps.navigation import SourceColumn
 
 from .classes import KeyStub
 from .links import (
@@ -24,10 +24,11 @@ from .permissions import (
 
 
 class DjangoGPGApp(MayanAppConfig):
-    app_url = 'gpg'
+    app_namespace = 'django_gpg'
+    app_url = 'keys'
     has_rest_api = True
     has_tests = True
-    name = 'django_gpg'
+    name = 'mayan.apps.django_gpg'
     verbose_name = _('Django GPG')
 
     def ready(self):
diff --git a/mayan/apps/django_gpg/classes.py b/mayan/apps/django_gpg/classes.py
index 5dd69945f1..494fe86438 100644
--- a/mayan/apps/django_gpg/classes.py
+++ b/mayan/apps/django_gpg/classes.py
@@ -6,7 +6,7 @@ import shutil
 
 import gnupg
 
-from common.utils import mkdtemp
+from mayan.apps.common.utils import mkdtemp
 
 
 class GPGBackend(object):
diff --git a/mayan/apps/django_gpg/forms.py b/mayan/apps/django_gpg/forms.py
index a2d1235c9e..1d72806e93 100644
--- a/mayan/apps/django_gpg/forms.py
+++ b/mayan/apps/django_gpg/forms.py
@@ -4,7 +4,7 @@ from django import forms
 from django.utils.html import escape
 from django.utils.translation import ugettext_lazy as _
 
-from common.forms import DetailForm
+from mayan.apps.common.forms import DetailForm
 
 from .models import Key
 
diff --git a/mayan/apps/django_gpg/icons.py b/mayan/apps/django_gpg/icons.py
index 99f7eb8a87..a1d08dc42e 100644
--- a/mayan/apps/django_gpg/icons.py
+++ b/mayan/apps/django_gpg/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_key_setup = Icon(driver_name='fontawesome', symbol='key')
 icon_key_upload = Icon(driver_name='fontawesome', symbol='upload')
diff --git a/mayan/apps/django_gpg/licenses.py b/mayan/apps/django_gpg/licenses.py
index 48a271fec7..0cd755d7f9 100644
--- a/mayan/apps/django_gpg/licenses.py
+++ b/mayan/apps/django_gpg/licenses.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from common.classes import Package
+from mayan.apps.common.classes import Package
 
 Package(label='python-gnupg', license_text='''
 Copyright (c) 2008-2014 by Vinay Sajip.
diff --git a/mayan/apps/django_gpg/links.py b/mayan/apps/django_gpg/links.py
index 8b35b579d3..32eb85ff78 100644
--- a/mayan/apps/django_gpg/links.py
+++ b/mayan/apps/django_gpg/links.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import icon_key_setup, icon_key_upload, icon_keyserver_search
 from .permissions import (
diff --git a/mayan/apps/django_gpg/managers.py b/mayan/apps/django_gpg/managers.py
index 7dcaad166b..e6b498f32c 100644
--- a/mayan/apps/django_gpg/managers.py
+++ b/mayan/apps/django_gpg/managers.py
@@ -6,7 +6,7 @@ import os
 
 from django.db import models
 
-from common.utils import mkstemp
+from mayan.apps.common.utils import mkstemp
 
 from .classes import KeyStub, SignatureVerification
 from .exceptions import (
diff --git a/mayan/apps/django_gpg/permissions.py b/mayan/apps/django_gpg/permissions.py
index 5e36afadb9..b6b1d14144 100644
--- a/mayan/apps/django_gpg/permissions.py
+++ b/mayan/apps/django_gpg/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('django_gpg', _('Key management'))
 
diff --git a/mayan/apps/django_gpg/runtime.py b/mayan/apps/django_gpg/runtime.py
index 0f4e57c449..250373f711 100644
--- a/mayan/apps/django_gpg/runtime.py
+++ b/mayan/apps/django_gpg/runtime.py
@@ -3,7 +3,7 @@ from django.utils.module_loading import import_string
 from .settings import setting_gpg_path
 
 # TODO: This will become an setting option in 2.2
-SETTING_GPG_BACKEND = 'django_gpg.classes.PythonGNUPGBackend'
+SETTING_GPG_BACKEND = 'mayan.apps.django_gpg.classes.PythonGNUPGBackend'
 
 gpg_backend = import_string(SETTING_GPG_BACKEND)(
     binary_path=setting_gpg_path.value
diff --git a/mayan/apps/django_gpg/settings.py b/mayan/apps/django_gpg/settings.py
index 8c49e0cc48..0f7aff18aa 100644
--- a/mayan/apps/django_gpg/settings.py
+++ b/mayan/apps/django_gpg/settings.py
@@ -5,7 +5,7 @@ import os
 from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
 
-from smart_settings import Namespace
+from mayan.apps.smart_settings import Namespace
 
 namespace = Namespace(name='django_gpg', label=_('Signatures'))
 setting_gpg_home = namespace.add_setting(
diff --git a/mayan/apps/django_gpg/tests/test_api.py b/mayan/apps/django_gpg/tests/test_api.py
index e3aa6814e4..eebbf7e0a0 100644
--- a/mayan/apps/django_gpg/tests/test_api.py
+++ b/mayan/apps/django_gpg/tests/test_api.py
@@ -4,7 +4,7 @@ from django.test import override_settings
 
 from rest_framework import status
 
-from rest_api.tests import BaseAPITestCase
+from mayan.apps.rest_api.tests import BaseAPITestCase
 
 from ..models import Key
 from ..permissions import (
diff --git a/mayan/apps/django_gpg/tests/test_models.py b/mayan/apps/django_gpg/tests/test_models.py
index 99261d9a5f..763166f905 100644
--- a/mayan/apps/django_gpg/tests/test_models.py
+++ b/mayan/apps/django_gpg/tests/test_models.py
@@ -7,8 +7,8 @@ import mock
 
 from django.utils.encoding import force_bytes
 
-from common.tests import BaseTestCase
-from common.utils import TemporaryFile
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.common.utils import TemporaryFile
 
 from ..exceptions import (
     DecryptionError, KeyDoesNotExist, NeedPassphrase, PassphraseError,
diff --git a/mayan/apps/django_gpg/tests/test_views.py b/mayan/apps/django_gpg/tests/test_views.py
index 51488cb5da..39cb0164be 100644
--- a/mayan/apps/django_gpg/tests/test_views.py
+++ b/mayan/apps/django_gpg/tests/test_views.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django_downloadview.test import assert_download_response
 
-from common.tests import GenericViewTestCase
+from mayan.apps.common.tests import GenericViewTestCase
 
 from ..models import Key
 from ..permissions import permission_key_download, permission_key_upload
diff --git a/mayan/apps/django_gpg/views.py b/mayan/apps/django_gpg/views.py
index bff1d56635..54842cd3b1 100644
--- a/mayan/apps/django_gpg/views.py
+++ b/mayan/apps/django_gpg/views.py
@@ -8,7 +8,7 @@ from django.template import RequestContext
 from django.urls import reverse, reverse_lazy
 from django.utils.translation import ugettext_lazy as _
 
-from common.generics import (
+from mayan.apps.common.generics import (
     ConfirmView, SingleObjectCreateView, SingleObjectDeleteView,
     SingleObjectDetailView, SingleObjectDownloadView, SingleObjectListView,
     SimpleView
diff --git a/mayan/apps/document_comments/__init__.py b/mayan/apps/document_comments/__init__.py
index b8cee85ba4..a48b77d7c9 100644
--- a/mayan/apps/document_comments/__init__.py
+++ b/mayan/apps/document_comments/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'document_comments.apps.DocumentCommentsApp'
+default_app_config = 'mayan.apps.document_comments.apps.DocumentCommentsApp'
diff --git a/mayan/apps/document_comments/api_views.py b/mayan/apps/document_comments/api_views.py
index 8994571d20..af7bec614f 100644
--- a/mayan/apps/document_comments/api_views.py
+++ b/mayan/apps/document_comments/api_views.py
@@ -4,8 +4,8 @@ from django.shortcuts import get_object_or_404
 
 from rest_framework import generics
 
-from acls.models import AccessControlList
-from documents.models import Document
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.documents.models import Document
 
 from .permissions import (
     permission_comment_create, permission_comment_delete,
diff --git a/mayan/apps/document_comments/apps.py b/mayan/apps/document_comments/apps.py
index 37b683a5b9..5689c1225d 100644
--- a/mayan/apps/document_comments/apps.py
+++ b/mayan/apps/document_comments/apps.py
@@ -3,11 +3,11 @@ from __future__ import absolute_import, unicode_literals
 from django.apps import apps
 from django.utils.translation import ugettext_lazy as _
 
-from acls import ModelPermission
-from common import MayanAppConfig, menu_facet, menu_object, menu_sidebar
-from documents.search import document_page_search, document_search
-from events import ModelEventType
-from navigation import SourceColumn
+from mayan.apps.acls import ModelPermission
+from mayan.apps.common import MayanAppConfig, menu_facet, menu_object, menu_sidebar
+from mayan.apps.documents.search import document_page_search, document_search
+from mayan.apps.events import ModelEventType
+from mayan.apps.navigation import SourceColumn
 
 from .events import (
     event_document_comment_create, event_document_comment_delete
@@ -26,7 +26,7 @@ class DocumentCommentsApp(MayanAppConfig):
     app_url = 'comments'
     has_rest_api = True
     has_tests = True
-    name = 'document_comments'
+    name = 'mayan.apps.document_comments'
     verbose_name = _('Document comments')
 
     def ready(self):
diff --git a/mayan/apps/document_comments/events.py b/mayan/apps/document_comments/events.py
index 1876854d43..66cd211e5b 100644
--- a/mayan/apps/document_comments/events.py
+++ b/mayan/apps/document_comments/events.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from events import EventTypeNamespace
+from mayan.apps.events import EventTypeNamespace
 
 namespace = EventTypeNamespace(
     name='document_comments', label=_('Document comments')
diff --git a/mayan/apps/document_comments/icons.py b/mayan/apps/document_comments/icons.py
index c0c4fbdc6e..db0a9d2d05 100644
--- a/mayan/apps/document_comments/icons.py
+++ b/mayan/apps/document_comments/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_comments_for_document = Icon(driver_name='fontawesome', symbol='comment')
 icon_comment_add = Icon(driver_name='fontawesome', symbol='plus')
diff --git a/mayan/apps/document_comments/links.py b/mayan/apps/document_comments/links.py
index 5cf30707ba..48f1edb461 100644
--- a/mayan/apps/document_comments/links.py
+++ b/mayan/apps/document_comments/links.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals, absolute_import
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import icon_comment_add, icon_comments_for_document
 from .permissions import (
diff --git a/mayan/apps/document_comments/models.py b/mayan/apps/document_comments/models.py
index 016591aae2..4f8919f41e 100644
--- a/mayan/apps/document_comments/models.py
+++ b/mayan/apps/document_comments/models.py
@@ -7,7 +7,7 @@ from django.db import models
 from django.utils.encoding import python_2_unicode_compatible
 from django.utils.translation import ugettext_lazy as _
 
-from documents.models import Document
+from mayan.apps.documents.models import Document
 
 from .events import (
     event_document_comment_create, event_document_comment_delete
diff --git a/mayan/apps/document_comments/permissions.py b/mayan/apps/document_comments/permissions.py
index 2a9fe8c1ac..cdd02aa14b 100644
--- a/mayan/apps/document_comments/permissions.py
+++ b/mayan/apps/document_comments/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('comments', _('Comments'))
 
diff --git a/mayan/apps/document_comments/serializers.py b/mayan/apps/document_comments/serializers.py
index 4090cdadfd..3521b1813b 100644
--- a/mayan/apps/document_comments/serializers.py
+++ b/mayan/apps/document_comments/serializers.py
@@ -3,8 +3,8 @@ from __future__ import unicode_literals
 from rest_framework import serializers
 from rest_framework.reverse import reverse
 
-from documents.serializers import DocumentSerializer
-from user_management.serializers import UserSerializer
+from mayan.apps.documents.serializers import DocumentSerializer
+from mayan.apps.user_management.serializers import UserSerializer
 
 from .models import Comment
 
diff --git a/mayan/apps/document_comments/tests/test_api.py b/mayan/apps/document_comments/tests/test_api.py
index 96f44d93e5..0fba5c7269 100644
--- a/mayan/apps/document_comments/tests/test_api.py
+++ b/mayan/apps/document_comments/tests/test_api.py
@@ -4,8 +4,8 @@ from django.test import override_settings
 
 from rest_framework import status
 
-from documents.tests import DocumentTestMixin
-from rest_api.tests import BaseAPITestCase
+from mayan.apps.documents.tests import DocumentTestMixin
+from mayan.apps.rest_api.tests import BaseAPITestCase
 
 from ..models import Comment
 from ..permissions import (
diff --git a/mayan/apps/document_comments/views.py b/mayan/apps/document_comments/views.py
index 5f53a5ba69..018bdfe0f6 100644
--- a/mayan/apps/document_comments/views.py
+++ b/mayan/apps/document_comments/views.py
@@ -5,11 +5,11 @@ from django.template import RequestContext
 from django.urls import reverse
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
-from common.generics import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.generics import (
     SingleObjectCreateView, SingleObjectDeleteView, SingleObjectListView
 )
-from documents.models import Document
+from mayan.apps.documents.models import Document
 
 from .icons import icon_comments_for_document
 from .links import link_comment_add
diff --git a/mayan/apps/document_indexing/__init__.py b/mayan/apps/document_indexing/__init__.py
index 48a464f6e7..5bff793cbb 100644
--- a/mayan/apps/document_indexing/__init__.py
+++ b/mayan/apps/document_indexing/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'document_indexing.apps.DocumentIndexingApp'
+default_app_config = 'mayan.apps.document_indexing.apps.DocumentIndexingApp'
diff --git a/mayan/apps/document_indexing/api_views.py b/mayan/apps/document_indexing/api_views.py
index 1dea00853e..cf0b41487a 100644
--- a/mayan/apps/document_indexing/api_views.py
+++ b/mayan/apps/document_indexing/api_views.py
@@ -4,12 +4,12 @@ from django.shortcuts import get_object_or_404
 
 from rest_framework import generics
 
-from acls.models import AccessControlList
-from documents.models import Document
-from documents.permissions import permission_document_view
-from documents.serializers import DocumentSerializer
-from rest_api.filters import MayanObjectPermissionsFilter
-from rest_api.permissions import MayanPermission
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.documents.models import Document
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.documents.serializers import DocumentSerializer
+from mayan.apps.rest_api.filters import MayanObjectPermissionsFilter
+from mayan.apps.rest_api.permissions import MayanPermission
 
 from .models import Index, IndexInstanceNode, IndexTemplateNode
 from .permissions import (
diff --git a/mayan/apps/document_indexing/apps.py b/mayan/apps/document_indexing/apps.py
index 254d2f1b18..709bd35a89 100644
--- a/mayan/apps/document_indexing/apps.py
+++ b/mayan/apps/document_indexing/apps.py
@@ -6,18 +6,17 @@ from django.apps import apps
 from django.db.models.signals import post_delete, post_save, pre_delete
 from django.utils.translation import ugettext_lazy as _
 
-from acls import ModelPermission
-from acls.links import link_acl_list
-from acls.permissions import permission_acl_edit, permission_acl_view
-
-from common import (
+from mayan.apps.acls import ModelPermission
+from mayan.apps.acls.links import link_acl_list
+from mayan.apps.acls.permissions import permission_acl_edit, permission_acl_view
+from mayan.apps.common import (
     MayanAppConfig, menu_facet, menu_main, menu_object, menu_secondary,
     menu_setup, menu_tools
 )
-from common.widgets import TwoStateWidget
-from documents.signals import post_document_created, post_initial_document_type
+from mayan.apps.common.widgets import TwoStateWidget
+from mayan.apps.documents.signals import post_document_created, post_initial_document_type
+from mayan.apps.navigation import SourceColumn
 from mayan.celery import app
-from navigation import SourceColumn
 
 from .handlers import (
     create_default_document_index, handler_delete_empty,
@@ -48,7 +47,7 @@ class DocumentIndexingApp(MayanAppConfig):
     app_url = 'indexing'
     has_rest_api = True
     has_tests = True
-    name = 'document_indexing'
+    name = 'mayan.apps.document_indexing'
     verbose_name = _('Document indexing')
 
     def ready(self):
@@ -164,16 +163,16 @@ class DocumentIndexingApp(MayanAppConfig):
 
         app.conf.CELERY_ROUTES.update(
             {
-                'document_indexing.tasks.task_delete_empty': {
+                'mayan.apps.document_indexing.tasks.task_delete_empty': {
                     'queue': 'indexing'
                 },
-                'document_indexing.tasks.task_remove_document': {
+                'mayan.apps.document_indexing.tasks.task_remove_document': {
                     'queue': 'indexing'
                 },
-                'document_indexing.tasks.task_index_document': {
+                'mayan.apps.document_indexing.tasks.task_index_document': {
                     'queue': 'indexing'
                 },
-                'document_indexing.tasks.task_rebuild_index': {
+                'mayan.apps.document_indexing.tasks.task_rebuild_index': {
                     'queue': 'tools'
                 },
             }
diff --git a/mayan/apps/document_indexing/forms.py b/mayan/apps/document_indexing/forms.py
index dd558ed0d1..26ddd8f434 100644
--- a/mayan/apps/document_indexing/forms.py
+++ b/mayan/apps/document_indexing/forms.py
@@ -4,9 +4,9 @@ from django import forms
 from django.utils.encoding import force_text
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
-from common.classes import ModelProperty
-from documents.models import Document
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.classes import ModelProperty
+from mayan.apps.documents.models import Document
 
 from .models import Index, IndexTemplateNode
 from .permissions import permission_document_indexing_rebuild
diff --git a/mayan/apps/document_indexing/icons.py b/mayan/apps/document_indexing/icons.py
index 0f27b10ebc..ac7d0586db 100644
--- a/mayan/apps/document_indexing/icons.py
+++ b/mayan/apps/document_indexing/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_document_index_list = Icon(driver_name='fontawesome', symbol='list-ul')
 icon_index_level_up = Icon(
diff --git a/mayan/apps/document_indexing/licenses.py b/mayan/apps/document_indexing/licenses.py
index 2c981908d2..b81d0e4d08 100644
--- a/mayan/apps/document_indexing/licenses.py
+++ b/mayan/apps/document_indexing/licenses.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from common.classes import Package
+from mayan.apps.common.classes import Package
 
 Package(label='Django MPTT', license_text='''
 Django MPTT
diff --git a/mayan/apps/document_indexing/links.py b/mayan/apps/document_indexing/links.py
index 42e3b94d6d..62aea68467 100644
--- a/mayan/apps/document_indexing/links.py
+++ b/mayan/apps/document_indexing/links.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link, get_cascade_condition
+from mayan.apps.navigation import Link, get_cascade_condition
 
 from .icons import (
     icon_document_index_list, icon_index, icon_index_create,
diff --git a/mayan/apps/document_indexing/models.py b/mayan/apps/document_indexing/models.py
index 528d92e1ca..bcf105eae0 100644
--- a/mayan/apps/document_indexing/models.py
+++ b/mayan/apps/document_indexing/models.py
@@ -11,11 +11,11 @@ from django.utils.translation import ugettext, ugettext_lazy as _
 from mptt.fields import TreeForeignKey
 from mptt.models import MPTTModel
 
-from acls.models import AccessControlList
-from documents.models import Document, DocumentType
-from documents.permissions import permission_document_view
-from lock_manager import LockError
-from lock_manager.runtime import locking_backend
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.documents.models import Document, DocumentType
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.lock_manager import LockError
+from mayan.apps.lock_manager.runtime import locking_backend
 
 from .managers import (
     DocumentIndexInstanceNodeManager, IndexManager, IndexInstanceNodeManager
diff --git a/mayan/apps/document_indexing/permissions.py b/mayan/apps/document_indexing/permissions.py
index c29a219e49..f907bf6e13 100644
--- a/mayan/apps/document_indexing/permissions.py
+++ b/mayan/apps/document_indexing/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('document_indexing', _('Indexing'))
 
diff --git a/mayan/apps/document_indexing/queues.py b/mayan/apps/document_indexing/queues.py
index 50da37e06a..96347ba0ef 100644
--- a/mayan/apps/document_indexing/queues.py
+++ b/mayan/apps/document_indexing/queues.py
@@ -2,24 +2,24 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from common.queues import queue_tools
-from task_manager.classes import CeleryQueue
+from mayan.apps.common.queues import queue_tools
+from mayan.apps.task_manager.classes import CeleryQueue
 
 queue_indexing = CeleryQueue(name='indexing', label=_('Indexing'))
 
 queue_indexing.add_task_type(
-    name='document_indexing.tasks.task_delete_empty',
+    name='mayan.apps.document_indexing.tasks.task_delete_empty',
     label=_('Delete empty index nodes')
 )
 queue_indexing.add_task_type(
-    name='document_indexing.tasks.task_remove_document',
+    name='mayan.apps.document_indexing.tasks.task_remove_document',
     label=_('Remove document')
 )
 queue_indexing.add_task_type(
-    name='document_indexing.tasks.task_index_document',
+    name='mayan.apps.document_indexing.tasks.task_index_document',
     label=_('Index document')
 )
 queue_tools.add_task_type(
-    name='document_indexing.tasks.task_rebuild_index',
+    name='mayan.apps.document_indexing.tasks.task_rebuild_index',
     label=_('Rebuild index')
 )
diff --git a/mayan/apps/document_indexing/tasks.py b/mayan/apps/document_indexing/tasks.py
index e6e4f04033..506c6e243b 100644
--- a/mayan/apps/document_indexing/tasks.py
+++ b/mayan/apps/document_indexing/tasks.py
@@ -5,8 +5,8 @@ import logging
 from django.apps import apps
 from django.db import OperationalError
 
+from mayan.apps.lock_manager import LockError
 from mayan.celery import app
-from lock_manager import LockError
 
 from .literals import RETRY_DELAY
 
diff --git a/mayan/apps/document_indexing/tests/test_api.py b/mayan/apps/document_indexing/tests/test_api.py
index 9127ce497e..5f780cb015 100644
--- a/mayan/apps/document_indexing/tests/test_api.py
+++ b/mayan/apps/document_indexing/tests/test_api.py
@@ -2,8 +2,8 @@ from __future__ import unicode_literals
 
 from rest_framework import status
 
-from documents.tests import DocumentTestMixin
-from rest_api.tests import BaseAPITestCase
+from mayan.apps.documents.tests import DocumentTestMixin
+from mayan.apps.rest_api.tests import BaseAPITestCase
 
 from ..models import Index
 from ..permissions import (
diff --git a/mayan/apps/document_indexing/tests/test_models.py b/mayan/apps/document_indexing/tests/test_models.py
index 6a508ab45b..320742f5c1 100644
--- a/mayan/apps/document_indexing/tests/test_models.py
+++ b/mayan/apps/document_indexing/tests/test_models.py
@@ -3,13 +3,15 @@ from __future__ import unicode_literals
 from django.test import override_settings
 from django.utils.encoding import force_text
 
-from common.tests import BaseTestCase
-from documents.tests import DocumentTestMixin, TEST_SMALL_DOCUMENT_PATH
-from documents.tests.literals import (
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.documents.tests import (
+    DocumentTestMixin, TEST_SMALL_DOCUMENT_PATH
+)
+from mayan.apps.documents.tests.literals import (
     TEST_DOCUMENT_DESCRIPTION, TEST_DOCUMENT_DESCRIPTION_EDITED,
     TEST_DOCUMENT_LABEL_EDITED
 )
-from metadata.models import MetadataType, DocumentTypeMetadataType
+from mayan.apps.metadata.models import MetadataType, DocumentTypeMetadataType
 
 from ..models import Index, IndexInstanceNode, IndexTemplateNode
 
diff --git a/mayan/apps/document_indexing/tests/test_views.py b/mayan/apps/document_indexing/tests/test_views.py
index 5e4b1015ad..4efdeb86e8 100644
--- a/mayan/apps/document_indexing/tests/test_views.py
+++ b/mayan/apps/document_indexing/tests/test_views.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from documents.tests import GenericDocumentViewTestCase
+from mayan.apps.documents.tests import GenericDocumentViewTestCase
 
 from ..models import Index
 from ..permissions import (
diff --git a/mayan/apps/document_indexing/views.py b/mayan/apps/document_indexing/views.py
index 7cbdb92e93..50e9c8fdeb 100644
--- a/mayan/apps/document_indexing/views.py
+++ b/mayan/apps/document_indexing/views.py
@@ -7,14 +7,14 @@ from django.urls import reverse, reverse_lazy
 from django.utils.html import mark_safe
 from django.utils.translation import ugettext_lazy as _, ungettext
 
-from acls.models import AccessControlList
-from common.views import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.views import (
     AssignRemoveView, FormView, SingleObjectCreateView,
     SingleObjectDeleteView, SingleObjectEditView, SingleObjectListView
 )
-from documents.models import Document, DocumentType
-from documents.permissions import permission_document_view
-from documents.views import DocumentListView
+from mayan.apps.documents.models import Document, DocumentType
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.documents.views import DocumentListView
 
 from .forms import IndexListForm, IndexTemplateNodeForm
 from .icons import icon_index
diff --git a/mayan/apps/document_indexing/widgets.py b/mayan/apps/document_indexing/widgets.py
index 35e6763034..da2fb21c5d 100644
--- a/mayan/apps/document_indexing/widgets.py
+++ b/mayan/apps/document_indexing/widgets.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
 from django.apps import apps
diff --git a/mayan/apps/document_parsing/__init__.py b/mayan/apps/document_parsing/__init__.py
index 79c2287b15..0a3b36c29d 100644
--- a/mayan/apps/document_parsing/__init__.py
+++ b/mayan/apps/document_parsing/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'document_parsing.apps.DocumentParsingApp'
+default_app_config = 'mayan.apps.document_parsing.apps.DocumentParsingApp'
diff --git a/mayan/apps/document_parsing/api_views.py b/mayan/apps/document_parsing/api_views.py
index cecf57f1c2..212ace6b09 100644
--- a/mayan/apps/document_parsing/api_views.py
+++ b/mayan/apps/document_parsing/api_views.py
@@ -5,8 +5,8 @@ from django.shortcuts import get_object_or_404
 from rest_framework import generics
 from rest_framework.response import Response
 
-from documents.models import Document
-from rest_api.permissions import MayanPermission
+from mayan.apps.documents.models import Document
+from mayan.apps.rest_api.permissions import MayanPermission
 
 from .models import DocumentPageContent
 from .permissions import permission_content_view
diff --git a/mayan/apps/document_parsing/apps.py b/mayan/apps/document_parsing/apps.py
index c410ba2237..8cfcda480e 100644
--- a/mayan/apps/document_parsing/apps.py
+++ b/mayan/apps/document_parsing/apps.py
@@ -10,18 +10,18 @@ from django.db.models.signals import post_save
 from django.utils.timezone import now
 from django.utils.translation import ugettext_lazy as _
 
-from acls import ModelPermission
-from common import (
+from mayan.apps.acls import ModelPermission
+from mayan.apps.common import (
     MayanAppConfig, menu_facet, menu_multi_item, menu_object, menu_secondary,
     menu_tools
 )
-from common.classes import ModelField
-from common.settings import settings_db_sync_task_delay
-from documents.search import document_search, document_page_search
-from documents.signals import post_version_upload
-from documents.widgets import document_link
+from mayan.apps.common.classes import ModelField
+from mayan.apps.common.settings import settings_db_sync_task_delay
+from mayan.apps.documents.search import document_search, document_page_search
+from mayan.apps.documents.signals import post_version_upload
+from mayan.apps.documents.widgets import document_link
+from mayan.apps.navigation import SourceColumn
 from mayan.celery import app
-from navigation import SourceColumn
 
 from .events import event_parsing_document_version_submit
 from .handlers import (
@@ -66,9 +66,11 @@ def document_version_parsing_submit(self):
 
 
 class DocumentParsingApp(MayanAppConfig):
+    app_namespace = 'document_parsing'
+    app_url = 'parsing'
     has_rest_api = True
     has_tests = True
-    name = 'document_parsing'
+    name = 'mayan.apps.document_parsing'
     verbose_name = _('Document parsing')
 
     def ready(self):
@@ -141,7 +143,7 @@ class DocumentParsingApp(MayanAppConfig):
 
         app.conf.CELERY_ROUTES.update(
             {
-                'document_parsing.tasks.task_parse_document_version': {
+                'mayan.apps.document_parsing.tasks.task_parse_document_version': {
                     'queue': 'parsing'
                 },
             }
diff --git a/mayan/apps/document_parsing/events.py b/mayan/apps/document_parsing/events.py
index 2c90d72aae..84a9c86d6d 100644
--- a/mayan/apps/document_parsing/events.py
+++ b/mayan/apps/document_parsing/events.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from events import EventTypeNamespace
+from mayan.apps.events import EventTypeNamespace
 
 namespace = EventTypeNamespace(
     name='document_parsing', label=_('Document parsing')
diff --git a/mayan/apps/document_parsing/forms.py b/mayan/apps/document_parsing/forms.py
index 5c732a6bcc..500cfeb160 100644
--- a/mayan/apps/document_parsing/forms.py
+++ b/mayan/apps/document_parsing/forms.py
@@ -6,9 +6,9 @@ from django.utils.html import conditional_escape
 from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext_lazy as _, ugettext
 
-from acls.models import AccessControlList
-from common.widgets import TextAreaDiv
-from documents.models import DocumentType
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.widgets import TextAreaDiv
+from mayan.apps.documents.models import DocumentType
 
 from .models import DocumentPageContent
 from .permissions import permission_parse_document
diff --git a/mayan/apps/document_parsing/handlers.py b/mayan/apps/document_parsing/handlers.py
index f294a9ae1a..8d01941986 100644
--- a/mayan/apps/document_parsing/handlers.py
+++ b/mayan/apps/document_parsing/handlers.py
@@ -4,7 +4,7 @@ import logging
 
 from django.apps import apps
 
-from document_indexing.tasks import task_index_document
+from mayan.apps.document_indexing.tasks import task_index_document
 
 from .settings import setting_auto_parsing
 
diff --git a/mayan/apps/document_parsing/icons.py b/mayan/apps/document_parsing/icons.py
index 4bbadfaa6d..85e78ea2ad 100644
--- a/mayan/apps/document_parsing/icons.py
+++ b/mayan/apps/document_parsing/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_document_content = Icon(driver_name='fontawesome', symbol='font')
 icon_document_parsing_errors_list = Icon(
diff --git a/mayan/apps/document_parsing/links.py b/mayan/apps/document_parsing/links.py
index 92f8ab9ba6..865d26c8e0 100644
--- a/mayan/apps/document_parsing/links.py
+++ b/mayan/apps/document_parsing/links.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link, get_cascade_condition
+from mayan.apps.navigation import Link, get_cascade_condition
 
 from .icons import (
     icon_document_content, icon_document_parsing_errors_list,
diff --git a/mayan/apps/document_parsing/models.py b/mayan/apps/document_parsing/models.py
index 066bc4996d..8b363c1df1 100644
--- a/mayan/apps/document_parsing/models.py
+++ b/mayan/apps/document_parsing/models.py
@@ -4,7 +4,9 @@ from django.db import models
 from django.utils.encoding import force_text, python_2_unicode_compatible
 from django.utils.translation import ugettext_lazy as _
 
-from documents.models import DocumentPage, DocumentType, DocumentVersion
+from mayan.apps.documents.models import (
+    DocumentPage, DocumentType, DocumentVersion
+)
 
 from .managers import DocumentPageContentManager, DocumentTypeSettingsManager
 
diff --git a/mayan/apps/document_parsing/parsers.py b/mayan/apps/document_parsing/parsers.py
index ed693f66b3..fd70926255 100644
--- a/mayan/apps/document_parsing/parsers.py
+++ b/mayan/apps/document_parsing/parsers.py
@@ -7,7 +7,7 @@ import subprocess
 from django.apps import apps
 from django.utils.translation import ugettext_lazy as _
 
-from common.utils import copyfile, fs_cleanup, mkstemp
+from mayan.apps.common.utils import copyfile, fs_cleanup, mkstemp
 
 from .exceptions import ParserError
 from .settings import setting_pdftotext_path
diff --git a/mayan/apps/document_parsing/permissions.py b/mayan/apps/document_parsing/permissions.py
index 0ba6382b88..5ae8c03744 100644
--- a/mayan/apps/document_parsing/permissions.py
+++ b/mayan/apps/document_parsing/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('document_parsing', _('Document parsing'))
 
diff --git a/mayan/apps/document_parsing/queues.py b/mayan/apps/document_parsing/queues.py
index 42036d2420..8fa72c2cc4 100644
--- a/mayan/apps/document_parsing/queues.py
+++ b/mayan/apps/document_parsing/queues.py
@@ -2,10 +2,10 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from task_manager.classes import CeleryQueue
+from mayan.apps.task_manager.classes import CeleryQueue
 
 queue_ocr = CeleryQueue(name='parsing', label=_('Parsing'))
 queue_ocr.add_task_type(
-    name='document_parsing.tasks.task_parse_document_version',
+    name='mayan.apps.document_parsing.tasks.task_parse_document_version',
     label=_('Document version parsing')
 )
diff --git a/mayan/apps/document_parsing/settings.py b/mayan/apps/document_parsing/settings.py
index 5f140ae800..1e9dd9f368 100644
--- a/mayan/apps/document_parsing/settings.py
+++ b/mayan/apps/document_parsing/settings.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from smart_settings import Namespace
+from mayan.apps.smart_settings import Namespace
 
 namespace = Namespace(name='document_parsing', label=_('Document parsing'))
 
diff --git a/mayan/apps/document_parsing/tests/test_api.py b/mayan/apps/document_parsing/tests/test_api.py
index 669154840e..7147f5de62 100644
--- a/mayan/apps/document_parsing/tests/test_api.py
+++ b/mayan/apps/document_parsing/tests/test_api.py
@@ -4,8 +4,8 @@ from django.test import override_settings
 
 from rest_framework import status
 
-from documents.tests import DocumentTestMixin, TEST_HYBRID_DOCUMENT
-from rest_api.tests import BaseAPITestCase
+from mayan.apps.documents.tests import DocumentTestMixin, TEST_HYBRID_DOCUMENT
+from mayan.apps.rest_api.tests import BaseAPITestCase
 
 from ..permissions import permission_content_view
 
diff --git a/mayan/apps/document_parsing/tests/test_events.py b/mayan/apps/document_parsing/tests/test_events.py
index b68db7a558..a4f7aa8d3b 100644
--- a/mayan/apps/document_parsing/tests/test_events.py
+++ b/mayan/apps/document_parsing/tests/test_events.py
@@ -2,8 +2,8 @@ from __future__ import unicode_literals
 
 from actstream.models import Action
 
-from documents.tests.literals import TEST_DOCUMENT_FILENAME
-from documents.tests.test_models import GenericDocumentTestCase
+from mayan.apps.documents.tests.literals import TEST_DOCUMENT_FILENAME
+from mayan.apps.documents.tests.test_models import GenericDocumentTestCase
 
 from ..events import (
     event_parsing_document_version_submit,
diff --git a/mayan/apps/document_parsing/tests/test_indexing.py b/mayan/apps/document_parsing/tests/test_indexing.py
index d6a3d611b9..e40e78180a 100644
--- a/mayan/apps/document_parsing/tests/test_indexing.py
+++ b/mayan/apps/document_parsing/tests/test_indexing.py
@@ -2,11 +2,10 @@ from __future__ import unicode_literals
 
 from django.test import override_settings
 
-from common.tests import BaseTestCase
-from documents.tests import DocumentTestMixin, TEST_HYBRID_DOCUMENT
-
-from document_indexing.models import Index, IndexInstanceNode
-from document_indexing.tests.literals import TEST_INDEX_LABEL
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.documents.tests import DocumentTestMixin, TEST_HYBRID_DOCUMENT
+from mayan.apps.document_indexing.models import Index, IndexInstanceNode
+from mayan.apps.document_indexing.tests.literals import TEST_INDEX_LABEL
 
 from .literals import TEST_PARSING_INDEX_NODE_TEMPLATE
 
diff --git a/mayan/apps/document_parsing/tests/test_models.py b/mayan/apps/document_parsing/tests/test_models.py
index 906ba9c9c7..1066119f67 100644
--- a/mayan/apps/document_parsing/tests/test_models.py
+++ b/mayan/apps/document_parsing/tests/test_models.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.test import override_settings
 
-from documents.tests import GenericDocumentTestCase, TEST_HYBRID_DOCUMENT
+from mayan.apps.documents.tests import GenericDocumentTestCase, TEST_HYBRID_DOCUMENT
 
 TEST_DOCUMENT_CONTENT = 'Sample text'
 
diff --git a/mayan/apps/document_parsing/tests/test_parsers.py b/mayan/apps/document_parsing/tests/test_parsers.py
index 28d9a3bed4..cde12dde97 100644
--- a/mayan/apps/document_parsing/tests/test_parsers.py
+++ b/mayan/apps/document_parsing/tests/test_parsers.py
@@ -2,8 +2,8 @@ from __future__ import unicode_literals
 
 from django.test import override_settings
 
-from common.tests import BaseTestCase
-from documents.tests import DocumentTestMixin, TEST_HYBRID_DOCUMENT
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.documents.tests import DocumentTestMixin, TEST_HYBRID_DOCUMENT
 
 from ..parsers import PopplerParser
 
diff --git a/mayan/apps/document_parsing/tests/test_views.py b/mayan/apps/document_parsing/tests/test_views.py
index 893df0cd71..bec1550bba 100644
--- a/mayan/apps/document_parsing/tests/test_views.py
+++ b/mayan/apps/document_parsing/tests/test_views.py
@@ -2,7 +2,9 @@ from __future__ import unicode_literals
 
 from django.test import override_settings
 
-from documents.tests import GenericDocumentViewTestCase, TEST_HYBRID_DOCUMENT
+from mayan.apps.documents.tests import (
+    GenericDocumentViewTestCase, TEST_HYBRID_DOCUMENT
+)
 
 from ..permissions import (
     permission_content_view, permission_document_type_parsing_setup
diff --git a/mayan/apps/document_parsing/views.py b/mayan/apps/document_parsing/views.py
index d49ebb74ca..9ed149e018 100644
--- a/mayan/apps/document_parsing/views.py
+++ b/mayan/apps/document_parsing/views.py
@@ -6,11 +6,11 @@ from django.shortcuts import get_object_or_404
 from django.urls import reverse, reverse_lazy
 from django.utils.translation import ugettext_lazy as _, ungettext
 
-from common.generics import (
+from mayan.apps.common.generics import (
     FormView, MultipleObjectConfirmActionView, SingleObjectDetailView,
     SingleObjectDownloadView, SingleObjectEditView, SingleObjectListView
 )
-from documents.models import Document, DocumentPage, DocumentType
+from mayan.apps.documents.models import Document, DocumentPage, DocumentType
 
 from .forms import (
     DocumentContentForm, DocumentPageContentForm, DocumentTypeSelectForm
diff --git a/mayan/apps/document_signatures/__init__.py b/mayan/apps/document_signatures/__init__.py
index eaddbbf26a..0654d4133a 100644
--- a/mayan/apps/document_signatures/__init__.py
+++ b/mayan/apps/document_signatures/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'document_signatures.apps.DocumentSignaturesApp'
+default_app_config = 'mayan.apps.document_signatures.apps.DocumentSignaturesApp'
diff --git a/mayan/apps/document_signatures/apps.py b/mayan/apps/document_signatures/apps.py
index c1714390c2..032573a747 100644
--- a/mayan/apps/document_signatures/apps.py
+++ b/mayan/apps/document_signatures/apps.py
@@ -8,12 +8,12 @@ from django.apps import apps
 from django.db.models.signals import post_save, post_delete
 from django.utils.translation import ugettext_lazy as _
 
-from acls import ModelPermission
-from common import (
+from mayan.apps.acls import ModelPermission
+from mayan.apps.common import (
     MayanAppConfig, menu_facet, menu_object, menu_sidebar, menu_tools
 )
+from mayan.apps.navigation import SourceColumn
 from mayan.celery import app
-from navigation import SourceColumn
 
 from .handlers import unverify_key_signatures, verify_key_signatures
 from .links import (
@@ -44,7 +44,7 @@ class DocumentSignaturesApp(MayanAppConfig):
     app_namespace = 'signatures'
     app_url = 'signatures'
     has_tests = True
-    name = 'document_signatures'
+    name = 'mayan.apps.document_signatures'
     verbose_name = _('Document signatures')
 
     def ready(self):
@@ -110,16 +110,16 @@ class DocumentSignaturesApp(MayanAppConfig):
 
         app.conf.CELERY_ROUTES.update(
             {
-                'document_signatures.tasks.task_verify_key_signatures': {
+                'mayan.apps.document_signatures.tasks.task_verify_key_signatures': {
                     'queue': 'signatures'
                 },
-                'document_signatures.tasks.task_unverify_key_signatures': {
+                'mayan.apps.document_signatures.tasks.task_unverify_key_signatures': {
                     'queue': 'signatures'
                 },
-                'document_signatures.tasks.task_verify_document_version': {
+                'mayan.apps.document_signatures.tasks.task_verify_document_version': {
                     'queue': 'signatures'
                 },
-                'document_signatures.tasks.task_verify_missing_embedded_signature': {
+                'mayan.apps.document_signatures.tasks.task_verify_missing_embedded_signature': {
                     'queue': 'tools'
                 },
             }
diff --git a/mayan/apps/document_signatures/forms.py b/mayan/apps/document_signatures/forms.py
index d5347bf20f..e0403a23c9 100644
--- a/mayan/apps/document_signatures/forms.py
+++ b/mayan/apps/document_signatures/forms.py
@@ -5,11 +5,10 @@ import logging
 from django import forms
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
-
-from common.forms import DetailForm
-from django_gpg.models import Key
-from django_gpg.permissions import permission_key_sign
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.forms import DetailForm
+from mayan.apps.django_gpg.models import Key
+from mayan.apps.django_gpg.permissions import permission_key_sign
 
 from .models import SignatureBaseModel
 
diff --git a/mayan/apps/document_signatures/icons.py b/mayan/apps/document_signatures/icons.py
index 72ab520830..9e61eb1a25 100644
--- a/mayan/apps/document_signatures/icons.py
+++ b/mayan/apps/document_signatures/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_all_document_version_signature_verify = Icon(
     driver_name='fontawesome', symbol='certificate'
diff --git a/mayan/apps/document_signatures/links.py b/mayan/apps/document_signatures/links.py
index 562c65ebe4..8700766a19 100644
--- a/mayan/apps/document_signatures/links.py
+++ b/mayan/apps/document_signatures/links.py
@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 from django.apps import apps
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import (
     icon_all_document_version_signature_verify, icon_document_signature_list,
diff --git a/mayan/apps/document_signatures/managers.py b/mayan/apps/document_signatures/managers.py
index edebf7c763..0425fa7d18 100644
--- a/mayan/apps/document_signatures/managers.py
+++ b/mayan/apps/document_signatures/managers.py
@@ -5,10 +5,10 @@ import os
 
 from django.db import models
 
-from common.utils import mkstemp
-from django_gpg.exceptions import DecryptionError
-from django_gpg.models import Key
-from documents.models import DocumentVersion
+from mayan.apps.common.utils import mkstemp
+from mayan.apps.django_gpg.exceptions import DecryptionError
+from mayan.apps.django_gpg.models import Key
+from mayan.apps.documents.models import DocumentVersion
 
 logger = logging.getLogger(__name__)
 
diff --git a/mayan/apps/document_signatures/migrations/0001_initial.py b/mayan/apps/document_signatures/migrations/0001_initial.py
index 8b36b5371a..9b78380944 100644
--- a/mayan/apps/document_signatures/migrations/0001_initial.py
+++ b/mayan/apps/document_signatures/migrations/0001_initial.py
@@ -4,7 +4,7 @@ from __future__ import unicode_literals
 from django.db import models, migrations
 from django.core.files.storage import FileSystemStorage
 
-import document_signatures.models
+import mayan.apps.document_signatures.models
 
 
 class Migration(migrations.Migration):
@@ -26,7 +26,7 @@ class Migration(migrations.Migration):
                 (
                     'signature_file', models.FileField(
                         storage=FileSystemStorage(),
-                        upload_to=document_signatures.models.upload_to,
+                        upload_to=mayan.apps.document_signatures.models.upload_to,
                         blank=True, editable=False, null=True,
                         verbose_name='Signature file'
                     )
diff --git a/mayan/apps/document_signatures/migrations/0002_auto_20150608_1902.py b/mayan/apps/document_signatures/migrations/0002_auto_20150608_1902.py
index bf631d8ebe..4fd69b1b45 100644
--- a/mayan/apps/document_signatures/migrations/0002_auto_20150608_1902.py
+++ b/mayan/apps/document_signatures/migrations/0002_auto_20150608_1902.py
@@ -4,7 +4,7 @@ from __future__ import unicode_literals
 from django.db import models, migrations
 from django.core.files.storage import FileSystemStorage
 
-import document_signatures.models
+import mayan.apps.document_signatures.models
 
 
 class Migration(migrations.Migration):
@@ -27,7 +27,7 @@ class Migration(migrations.Migration):
             name='signature_file',
             field=models.FileField(
                 storage=FileSystemStorage(),
-                upload_to=document_signatures.models.upload_to, null=True,
+                upload_to=mayan.apps.document_signatures.models.upload_to, null=True,
                 verbose_name='Signature file', blank=True
             ),
             preserve_default=True,
diff --git a/mayan/apps/document_signatures/migrations/0003_auto_20160325_0052.py b/mayan/apps/document_signatures/migrations/0003_auto_20160325_0052.py
index 9a16e22525..737276a07c 100644
--- a/mayan/apps/document_signatures/migrations/0003_auto_20160325_0052.py
+++ b/mayan/apps/document_signatures/migrations/0003_auto_20160325_0052.py
@@ -4,7 +4,7 @@ from __future__ import unicode_literals
 from django.db import migrations, models
 from django.core.files.storage import FileSystemStorage
 
-import document_signatures.models
+import mayan.apps.document_signatures.models
 
 
 class Migration(migrations.Migration):
@@ -92,7 +92,7 @@ class Migration(migrations.Migration):
                 (
                     'signature_file', models.FileField(
                         storage=FileSystemStorage(),
-                        upload_to=document_signatures.models.upload_to,
+                        upload_to=mayan.apps.document_signatures.models.upload_to,
                         null=True, verbose_name='Signature file', blank=True
                     )
                 ),
diff --git a/mayan/apps/document_signatures/migrations/0004_auto_20160325_0418.py b/mayan/apps/document_signatures/migrations/0004_auto_20160325_0418.py
index 8cbbd1c419..439eca806e 100644
--- a/mayan/apps/document_signatures/migrations/0004_auto_20160325_0418.py
+++ b/mayan/apps/document_signatures/migrations/0004_auto_20160325_0418.py
@@ -15,7 +15,7 @@ class Migration(migrations.Migration):
             model_name='documentversionsignature',
             name='document_version',
             field=models.ForeignKey(
-                editable=False, to='documents.DocumentVersion',
+                editable=False, to='mayan.apps.documents.DocumentVersion',
                 verbose_name='Document version'
             ),
         ),
@@ -32,7 +32,7 @@ class Migration(migrations.Migration):
             name='document_version',
             field=models.ForeignKey(
                 related_name='signatures', editable=False,
-                to='documents.DocumentVersion', verbose_name='Document version'
+                to='mayan.apps.documents.DocumentVersion', verbose_name='Document version'
             ),
         ),
         migrations.AlterField(
diff --git a/mayan/apps/document_signatures/migrations/0007_auto_20180403_0702.py b/mayan/apps/document_signatures/migrations/0007_auto_20180403_0702.py
index f6f0463755..f822e966bd 100644
--- a/mayan/apps/document_signatures/migrations/0007_auto_20180403_0702.py
+++ b/mayan/apps/document_signatures/migrations/0007_auto_20180403_0702.py
@@ -4,7 +4,8 @@ from __future__ import unicode_literals
 
 import django.core.files.storage
 from django.db import migrations, models
-import document_signatures.models
+
+import mayan.apps.document_signatures.models
 
 
 class Migration(migrations.Migration):
@@ -17,6 +18,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='detachedsignature',
             name='signature_file',
-            field=models.FileField(blank=True, null=True, storage=django.core.files.storage.FileSystemStorage(location=b'mayan/media/document_storage'), upload_to=document_signatures.models.upload_to, verbose_name='Signature file'),
+            field=models.FileField(blank=True, null=True, storage=django.core.files.storage.FileSystemStorage(location=b'mayan/media/document_storage'), upload_to=mayan.apps.document_signatures.models.upload_to, verbose_name='Signature file'),
         ),
     ]
diff --git a/mayan/apps/document_signatures/migrations/0008_auto_20180429_0759.py b/mayan/apps/document_signatures/migrations/0008_auto_20180429_0759.py
index 02d5bf140b..ff48b34be2 100644
--- a/mayan/apps/document_signatures/migrations/0008_auto_20180429_0759.py
+++ b/mayan/apps/document_signatures/migrations/0008_auto_20180429_0759.py
@@ -4,7 +4,8 @@ from __future__ import unicode_literals
 
 import django.core.files.storage
 from django.db import migrations, models
-import document_signatures.models
+
+import mayan.apps.document_signatures.models
 
 
 class Migration(migrations.Migration):
@@ -17,6 +18,11 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='detachedsignature',
             name='signature_file',
-            field=models.FileField(blank=True, null=True, storage=django.core.files.storage.FileSystemStorage(location=b'/home/rosarior/development/mayan-edms/mayan/media/document_signatures'), upload_to=document_signatures.models.upload_to, verbose_name='Signature file'),
+            field=models.FileField(
+                blank=True, null=True, storage=django.core.files.storage.FileSystemStorage(
+                    location=b'/home/rosarior/development/mayan-edms/mayan/media/document_signatures'
+                ),
+                upload_to=mayan.apps.document_signatures.models.upload_to, verbose_name='Signature file'
+            ),
         ),
     ]
diff --git a/mayan/apps/document_signatures/models.py b/mayan/apps/document_signatures/models.py
index f3409d35db..47e226f5ed 100644
--- a/mayan/apps/document_signatures/models.py
+++ b/mayan/apps/document_signatures/models.py
@@ -10,9 +10,9 @@ from django.utils.translation import ugettext_lazy as _
 
 from model_utils.managers import InheritanceManager
 
-from django_gpg.exceptions import VerificationError
-from django_gpg.models import Key
-from documents.models import DocumentVersion
+from mayan.apps.django_gpg.exceptions import VerificationError
+from mayan.apps.django_gpg.models import Key
+from mayan.apps.documents.models import DocumentVersion
 
 from .managers import EmbeddedSignatureManager
 from .storages import storage_detachedsignature
diff --git a/mayan/apps/document_signatures/permissions.py b/mayan/apps/document_signatures/permissions.py
index c9bdbe684c..4e8d5cd770 100644
--- a/mayan/apps/document_signatures/permissions.py
+++ b/mayan/apps/document_signatures/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace(
     'document_signatures', _('Document signatures')
diff --git a/mayan/apps/document_signatures/queues.py b/mayan/apps/document_signatures/queues.py
index 72614fe449..50f431d401 100644
--- a/mayan/apps/document_signatures/queues.py
+++ b/mayan/apps/document_signatures/queues.py
@@ -2,24 +2,24 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from common.queues import queue_tools
-from task_manager.classes import CeleryQueue
+from mayan.apps.common.queues import queue_tools
+from mayan.apps.task_manager.classes import CeleryQueue
 
 queue_signatures = CeleryQueue(name='signatures', label=_('Signatures'))
 queue_signatures.add_task_type(
-    name='document_signatures.tasks.task_verify_key_signatures',
+    name='mayan.apps.document_signatures.tasks.task_verify_key_signatures',
     label=_('Verify key signatures')
 )
 queue_signatures.add_task_type(
-    name='document_signatures.tasks.task_unverify_key_signatures',
+    name='mayan.apps.document_signatures.tasks.task_unverify_key_signatures',
     label=_('Unverify key signatures')
 )
 queue_signatures.add_task_type(
-    name='document_signatures.tasks.task_verify_document_version',
+    name='mayan.apps.document_signatures.tasks.task_verify_document_version',
     label=_('Verify document version')
 )
 
 queue_tools.add_task_type(
-    name='document_signatures.tasks.task_verify_missing_embedded_signature',
+    name='mayan.apps.document_signatures.tasks.task_verify_missing_embedded_signature',
     label=_('Verify missing embedded signature')
 )
diff --git a/mayan/apps/document_signatures/settings.py b/mayan/apps/document_signatures/settings.py
index 7b537a3dcd..3c61f5a916 100644
--- a/mayan/apps/document_signatures/settings.py
+++ b/mayan/apps/document_signatures/settings.py
@@ -5,7 +5,7 @@ import os
 from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
 
-from smart_settings import Namespace
+from mayan.apps.smart_settings import Namespace
 
 namespace = Namespace(name='signatures', label=_('Document signatures'))
 setting_storage_backend = namespace.add_setting(
diff --git a/mayan/apps/document_signatures/tests/test_links.py b/mayan/apps/document_signatures/tests/test_links.py
index e6c9c5ce94..77d6d90cb9 100644
--- a/mayan/apps/document_signatures/tests/test_links.py
+++ b/mayan/apps/document_signatures/tests/test_links.py
@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 from django.core.files import File
 from django.urls import reverse
 
-from documents.tests import (
+from mayan.apps.documents.tests import (
     GenericDocumentViewTestCase, TEST_DOCUMENT_PATH
 )
 
diff --git a/mayan/apps/document_signatures/tests/test_models.py b/mayan/apps/document_signatures/tests/test_models.py
index 42aa9d7586..2113397882 100644
--- a/mayan/apps/document_signatures/tests/test_models.py
+++ b/mayan/apps/document_signatures/tests/test_models.py
@@ -7,11 +7,13 @@ import time
 from django.core.files import File
 from django.test import override_settings
 
-from common.tests import BaseTestCase
-from django_gpg.models import Key
-from django_gpg.tests.literals import TEST_KEY_DATA, TEST_KEY_PASSPHRASE
-from documents.models import DocumentType, DocumentVersion
-from documents.tests import TEST_DOCUMENT_PATH, TEST_DOCUMENT_TYPE_LABEL
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.django_gpg.models import Key
+from mayan.apps.django_gpg.tests.literals import (
+    TEST_KEY_DATA, TEST_KEY_PASSPHRASE
+)
+from mayan.apps.documents.models import DocumentType, DocumentVersion
+from mayan.apps.documents.tests import TEST_DOCUMENT_PATH, TEST_DOCUMENT_TYPE_LABEL
 
 from ..models import DetachedSignature, EmbeddedSignature
 from ..tasks import task_verify_missing_embedded_signature
diff --git a/mayan/apps/document_signatures/tests/test_views.py b/mayan/apps/document_signatures/tests/test_views.py
index c09a28ab1b..870a682a02 100644
--- a/mayan/apps/document_signatures/tests/test_views.py
+++ b/mayan/apps/document_signatures/tests/test_views.py
@@ -6,9 +6,9 @@ from django.core.files import File
 
 from django_downloadview.test import assert_download_response
 
-from django_gpg.models import Key
-from documents.models import DocumentVersion
-from documents.tests import (
+from mayan.apps.django_gpg.models import Key
+from mayan.apps.documents.models import DocumentVersion
+from mayan.apps.documents.tests import (
     GenericDocumentViewTestCase, TEST_DOCUMENT_PATH
 )
 
diff --git a/mayan/apps/document_signatures/views.py b/mayan/apps/document_signatures/views.py
index bb3828aaef..5f837902d6 100644
--- a/mayan/apps/document_signatures/views.py
+++ b/mayan/apps/document_signatures/views.py
@@ -11,15 +11,15 @@ from django.urls import reverse
 from django.utils.encoding import force_text
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
-from common.generics import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.generics import (
     ConfirmView, FormView, SingleObjectCreateView, SingleObjectDeleteView,
     SingleObjectDetailView, SingleObjectDownloadView, SingleObjectListView
 )
-from common.utils import TemporaryFile
-from django_gpg.exceptions import NeedPassphrase, PassphraseError
-from django_gpg.permissions import permission_key_sign
-from documents.models import DocumentVersion
+from mayan.apps.common.utils import TemporaryFile
+from mayan.apps.django_gpg.exceptions import NeedPassphrase, PassphraseError
+from mayan.apps.django_gpg.permissions import permission_key_sign
+from mayan.apps.documents.models import DocumentVersion
 
 from .forms import (
     DocumentVersionSignatureCreateForm,
diff --git a/mayan/apps/document_states/__init__.py b/mayan/apps/document_states/__init__.py
index 12d0c02e4a..93c7800ab3 100644
--- a/mayan/apps/document_states/__init__.py
+++ b/mayan/apps/document_states/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'document_states.apps.DocumentStatesApp'
+default_app_config = 'mayan.apps.document_states.apps.DocumentStatesApp'
diff --git a/mayan/apps/document_states/api_views.py b/mayan/apps/document_states/api_views.py
index 9466b88e23..dd3ada2d3f 100644
--- a/mayan/apps/document_states/api_views.py
+++ b/mayan/apps/document_states/api_views.py
@@ -4,11 +4,11 @@ from django.shortcuts import get_object_or_404
 
 from rest_framework import generics
 
-from acls.models import AccessControlList
-from documents.models import Document, DocumentType
-from documents.permissions import permission_document_type_view
-from rest_api.filters import MayanObjectPermissionsFilter
-from rest_api.permissions import MayanPermission
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.documents.models import Document, DocumentType
+from mayan.apps.documents.permissions import permission_document_type_view
+from mayan.apps.rest_api.filters import MayanObjectPermissionsFilter
+from mayan.apps.rest_api.permissions import MayanPermission
 
 from .models import Workflow
 from .permissions import (
diff --git a/mayan/apps/document_states/apps.py b/mayan/apps/document_states/apps.py
index 9535f7abca..dd41dd7cf8 100644
--- a/mayan/apps/document_states/apps.py
+++ b/mayan/apps/document_states/apps.py
@@ -6,18 +6,18 @@ from django.utils.translation import ugettext_lazy as _
 
 from kombu import Exchange, Queue
 
-from acls import ModelPermission
-from acls.links import link_acl_list
-from common import (
+from mayan.apps.acls import ModelPermission
+from mayan.apps.acls.links import link_acl_list
+from mayan.apps.common import (
     MayanAppConfig, menu_facet, menu_main, menu_object, menu_secondary,
     menu_setup, menu_sidebar, menu_tools
 )
-from common.classes import ModelAttribute
-from common.links import link_object_error_list
-from common.permissions_runtime import permission_error_log_view
-from common.widgets import TwoStateWidget
+from mayan.apps.common.classes import ModelAttribute
+from mayan.apps.common.links import link_object_error_list
+from mayan.apps.common.permissions_runtime import permission_error_log_view
+from mayan.apps.common.widgets import TwoStateWidget
+from mayan.apps.navigation import SourceColumn
 from mayan.celery import app
-from navigation import SourceColumn
 
 from .classes import DocumentStateHelper, WorkflowAction
 from .handlers import (
@@ -50,11 +50,12 @@ from .widgets import widget_transition_events
 
 
 class DocumentStatesApp(MayanAppConfig):
-    app_url = 'states'
+    app_namespace = 'document_states'
+    app_url = 'workflows'
     has_rest_api = True
     has_tests = True
-    name = 'document_states'
-    verbose_name = _('Document states')
+    name = 'mayan.apps.document_states'
+    verbose_name = _('Workflows')
 
     def ready(self):
         super(DocumentStatesApp, self).ready()
@@ -251,7 +252,7 @@ class DocumentStatesApp(MayanAppConfig):
 
         app.conf.CELERY_ROUTES.update(
             {
-                'document_states.tasks.task_launch_all_workflows': {
+                'mayan.apps.document_states.tasks.task_launch_all_workflows': {
                     'queue': 'document_states'
                 },
             }
diff --git a/mayan/apps/document_states/classes.py b/mayan/apps/document_states/classes.py
index 7a0cf8d1d2..b06de1c2cf 100644
--- a/mayan/apps/document_states/classes.py
+++ b/mayan/apps/document_states/classes.py
@@ -7,7 +7,7 @@ from django.apps import apps
 from django.utils import six
 from django.utils.encoding import force_text
 
-from common.classes import PropertyHelper
+from mayan.apps.common.classes import PropertyHelper
 
 __all__ = ('WorkflowAction',)
 logger = logging.getLogger(__name__)
diff --git a/mayan/apps/document_states/error_logs.py b/mayan/apps/document_states/error_logs.py
index 52620e27de..b87b9ef298 100644
--- a/mayan/apps/document_states/error_logs.py
+++ b/mayan/apps/document_states/error_logs.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from common.classes import ErrorLogNamespace
+from mayan.apps.common.classes import ErrorLogNamespace
 
 error_log_state_actions = ErrorLogNamespace(
     name='workflow_state_actions', label=_('Workflow state actions')
diff --git a/mayan/apps/document_states/forms.py b/mayan/apps/document_states/forms.py
index b3b4a7df16..c0eeea3544 100644
--- a/mayan/apps/document_states/forms.py
+++ b/mayan/apps/document_states/forms.py
@@ -9,7 +9,7 @@ from django.forms.formsets import formset_factory
 from django.utils.module_loading import import_string
 from django.utils.translation import ugettext_lazy as _
 
-from common.forms import DynamicModelForm
+from mayan.apps.common.forms import DynamicModelForm
 
 from .classes import WorkflowAction
 from .models import (
diff --git a/mayan/apps/document_states/handlers.py b/mayan/apps/document_states/handlers.py
index a008934fcc..0d7db30c75 100644
--- a/mayan/apps/document_states/handlers.py
+++ b/mayan/apps/document_states/handlers.py
@@ -3,8 +3,8 @@ from __future__ import unicode_literals
 from django.apps import apps
 from django.utils.translation import ugettext_lazy as _
 
-from document_indexing.tasks import task_index_document
-from events.classes import EventType
+from mayan.apps.document_indexing.tasks import task_index_document
+from mayan.apps.events.classes import EventType
 
 
 def handler_index_document(sender, **kwargs):
diff --git a/mayan/apps/document_states/icons.py b/mayan/apps/document_states/icons.py
index bb94d68948..238105d50e 100644
--- a/mayan/apps/document_states/icons.py
+++ b/mayan/apps/document_states/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_document_workflow_instance_list = Icon(
     driver_name='fontawesome', symbol='sitemap'
diff --git a/mayan/apps/document_states/links.py b/mayan/apps/document_states/links.py
index f134c47a92..d57fa71e30 100644
--- a/mayan/apps/document_states/links.py
+++ b/mayan/apps/document_states/links.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import (
     icon_document_workflow_instance_list, icon_setup_workflow_list,
diff --git a/mayan/apps/document_states/migrations/0004_workflow_internal_name.py b/mayan/apps/document_states/migrations/0004_workflow_internal_name.py
index cf7e13ebf5..3750439352 100644
--- a/mayan/apps/document_states/migrations/0004_workflow_internal_name.py
+++ b/mayan/apps/document_states/migrations/0004_workflow_internal_name.py
@@ -5,7 +5,7 @@ from __future__ import unicode_literals
 from django.db import migrations, models
 from django.utils.text import slugify
 
-from common.validators import validate_internal_name
+from mayan.apps.common.validators import validate_internal_name
 
 
 def generate_internal_name(apps, schema_editor):
diff --git a/mayan/apps/document_states/models.py b/mayan/apps/document_states/models.py
index 8262e1dcce..8b8388eba7 100644
--- a/mayan/apps/document_states/models.py
+++ b/mayan/apps/document_states/models.py
@@ -14,10 +14,10 @@ from django.utils.encoding import force_text, python_2_unicode_compatible
 from django.utils.module_loading import import_string
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
-from common.validators import validate_internal_name
-from documents.models import Document, DocumentType
-from events.models import StoredEventType
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.validators import validate_internal_name
+from mayan.apps.documents.models import Document, DocumentType
+from mayan.apps.events.models import StoredEventType
 
 from .error_logs import error_log_state_actions
 from .literals import (
diff --git a/mayan/apps/document_states/permissions.py b/mayan/apps/document_states/permissions.py
index 470c196a41..4c37bcabf9 100644
--- a/mayan/apps/document_states/permissions.py
+++ b/mayan/apps/document_states/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('document_states', _('Document workflows'))
 
diff --git a/mayan/apps/document_states/queues.py b/mayan/apps/document_states/queues.py
index 383fa77761..b35f50b54e 100644
--- a/mayan/apps/document_states/queues.py
+++ b/mayan/apps/document_states/queues.py
@@ -2,12 +2,12 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from task_manager.classes import CeleryQueue
+from mayan.apps.task_manager.classes import CeleryQueue
 
 queue_document_states = CeleryQueue(
     name='document_states', label=_('Document states')
 )
 queue_document_states.add_task_type(
-    name='document_states.tasks.task_launch_all_workflows',
+    name='mayan.apps.document_states.tasks.task_launch_all_workflows',
     label=_('Launch all workflows')
 )
diff --git a/mayan/apps/document_states/serializers.py b/mayan/apps/document_states/serializers.py
index 4739bfe714..fabf978dd5 100644
--- a/mayan/apps/document_states/serializers.py
+++ b/mayan/apps/document_states/serializers.py
@@ -7,9 +7,9 @@ from rest_framework import serializers
 from rest_framework.exceptions import ValidationError
 from rest_framework.reverse import reverse
 
-from documents.models import DocumentType
-from documents.serializers import DocumentTypeSerializer
-from user_management.serializers import UserSerializer
+from mayan.apps.documents.models import DocumentType
+from mayan.apps.documents.serializers import DocumentTypeSerializer
+from mayan.apps.user_management.serializers import UserSerializer
 
 from .models import (
     Workflow, WorkflowInstance, WorkflowInstanceLogEntry, WorkflowState,
diff --git a/mayan/apps/document_states/tests/test_actions.py b/mayan/apps/document_states/tests/test_actions.py
index 9efbe58405..5d944d1a27 100644
--- a/mayan/apps/document_states/tests/test_actions.py
+++ b/mayan/apps/document_states/tests/test_actions.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 
-from documents.tests.test_models import GenericDocumentTestCase
+from mayan.apps.documents.tests.test_models import GenericDocumentTestCase
 
 
 class ActionTestCase(GenericDocumentTestCase):
diff --git a/mayan/apps/document_states/tests/test_api.py b/mayan/apps/document_states/tests/test_api.py
index 97f6340679..9766d17aac 100644
--- a/mayan/apps/document_states/tests/test_api.py
+++ b/mayan/apps/document_states/tests/test_api.py
@@ -4,12 +4,12 @@ from django.test import override_settings
 
 from rest_framework import status
 
-from documents.models import DocumentType
-from documents.permissions import permission_document_type_view
-from documents.tests.literals import (
+from mayan.apps.documents.models import DocumentType
+from mayan.apps.documents.permissions import permission_document_type_view
+from mayan.apps.documents.tests.literals import (
     TEST_DOCUMENT_TYPE_LABEL, TEST_SMALL_DOCUMENT_PATH
 )
-from rest_api.tests import BaseAPITestCase
+from mayan.apps.rest_api.tests import BaseAPITestCase
 
 from ..models import Workflow
 from ..permissions import (
diff --git a/mayan/apps/document_states/tests/test_models.py b/mayan/apps/document_states/tests/test_models.py
index 91fc868896..c047441fa8 100644
--- a/mayan/apps/document_states/tests/test_models.py
+++ b/mayan/apps/document_states/tests/test_models.py
@@ -2,10 +2,12 @@ from __future__ import unicode_literals
 
 from django.test import override_settings
 
-from common.tests import BaseTestCase
-from documents.models import DocumentType
-from documents.tests import TEST_SMALL_DOCUMENT_PATH, TEST_DOCUMENT_TYPE_LABEL
-from document_indexing.models import Index, IndexInstanceNode
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.documents.models import DocumentType
+from mayan.apps.documents.tests import (
+    TEST_SMALL_DOCUMENT_PATH, TEST_DOCUMENT_TYPE_LABEL
+)
+from mayan.apps.document_indexing.models import Index, IndexInstanceNode
 
 from ..models import Workflow
 
diff --git a/mayan/apps/document_states/tests/test_views.py b/mayan/apps/document_states/tests/test_views.py
index 3537a4f3a2..1cd97d4934 100644
--- a/mayan/apps/document_states/tests/test_views.py
+++ b/mayan/apps/document_states/tests/test_views.py
@@ -1,7 +1,7 @@
 from __future__ import unicode_literals
 
-from common.tests import GenericViewTestCase
-from documents.tests import (
+from mayan.apps.common.tests import GenericViewTestCase
+from mayan.apps.documents.tests import (
     GenericDocumentViewTestCase, TEST_SMALL_DOCUMENT_PATH
 )
 
diff --git a/mayan/apps/document_states/views.py b/mayan/apps/document_states/views.py
index 9b6b26eb52..4ea96e24c5 100644
--- a/mayan/apps/document_states/views.py
+++ b/mayan/apps/document_states/views.py
@@ -10,17 +10,17 @@ from django.template import RequestContext
 from django.urls import reverse, reverse_lazy
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
-from common.views import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.views import (
     AssignRemoveView, ConfirmView, FormView, SingleObjectCreateView,
     SingleObjectDeleteView, SingleObjectDetailView,
     SingleObjectDynamicFormCreateView, SingleObjectDynamicFormEditView,
     SingleObjectDownloadView, SingleObjectEditView, SingleObjectListView
 )
-from documents.models import Document
-from documents.views import DocumentListView
-from events.classes import EventType
-from events.models import StoredEventType
+from mayan.apps.documents.models import Document
+from mayan.apps.documents.views import DocumentListView
+from mayan.apps.events.classes import EventType
+from mayan.apps.events.models import StoredEventType
 
 from .classes import WorkflowAction
 from .forms import (
diff --git a/mayan/apps/documents/__init__.py b/mayan/apps/documents/__init__.py
index c6d5147424..30e4b68be7 100644
--- a/mayan/apps/documents/__init__.py
+++ b/mayan/apps/documents/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'documents.apps.DocumentsApp'
+default_app_config = 'mayan.apps.documents.apps.DocumentsApp'
diff --git a/mayan/apps/documents/api_views.py b/mayan/apps/documents/api_views.py
index 1fc320cc82..baba77087d 100644
--- a/mayan/apps/documents/api_views.py
+++ b/mayan/apps/documents/api_views.py
@@ -10,9 +10,9 @@ from django_downloadview import DownloadMixin, VirtualFile
 from rest_framework import generics, status
 from rest_framework.response import Response
 
-from acls.models import AccessControlList
-from rest_api.filters import MayanObjectPermissionsFilter
-from rest_api.permissions import MayanPermission
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.rest_api.filters import MayanObjectPermissionsFilter
+from mayan.apps.rest_api.permissions import MayanPermission
 
 from .literals import DOCUMENT_IMAGE_TASK_TIMEOUT
 from .models import (
diff --git a/mayan/apps/documents/apps.py b/mayan/apps/documents/apps.py
index 08e7d93a19..e6bb9e69ba 100644
--- a/mayan/apps/documents/apps.py
+++ b/mayan/apps/documents/apps.py
@@ -7,31 +7,31 @@ from kombu import Exchange, Queue
 from django.db.models.signals import post_delete
 from django.utils.translation import ugettext_lazy as _
 
-from acls import ModelPermission
-from acls.links import link_acl_list
-from acls.permissions import permission_acl_edit, permission_acl_view
-from common import (
+from mayan.apps.acls import ModelPermission
+from mayan.apps.acls.links import link_acl_list
+from mayan.apps.acls.permissions import permission_acl_edit, permission_acl_view
+from mayan.apps.common import (
     MayanAppConfig, MissingItem, menu_facet, menu_main, menu_object,
     menu_secondary, menu_setup, menu_sidebar, menu_multi_item, menu_tools
 )
-from common.classes import ModelField
-from common.dashboards import dashboard_main
-from common.signals import post_initial_setup
-from common.widgets import TwoStateWidget
-from converter.links import link_transformation_list
-from converter.permissions import (
+from mayan.apps.common.classes import ModelField
+from mayan.apps.common.dashboards import dashboard_main
+from mayan.apps.common.signals import post_initial_setup
+from mayan.apps.common.widgets import TwoStateWidget
+from mayan.apps.converter.links import link_transformation_list
+from mayan.apps.converter.permissions import (
     permission_transformation_create,
     permission_transformation_delete, permission_transformation_edit,
     permission_transformation_view,
 )
-from events import ModelEventType
-from events.links import (
+from mayan.apps.events import ModelEventType
+from mayan.apps.events.links import (
     link_events_for_object, link_object_event_types_user_subcriptions_list,
 )
-from events.permissions import permission_events_view
+from mayan.apps.events.permissions import permission_events_view
+from mayan.apps.navigation import SourceColumn
+from mayan.apps.rest_api.fields import DynamicSerializerField
 from mayan.celery import app
-from navigation import SourceColumn
-from rest_api.fields import DynamicSerializerField
 
 from .dashboard_widgets import (
     DashboardWidgetDocumentPagesTotal, DashboardWidgetDocumentsInTrash,
@@ -109,9 +109,11 @@ from .widgets import (
 
 
 class DocumentsApp(MayanAppConfig):
+    app_namespace = 'documents'
+    app_url = 'documents'
     has_rest_api = True
     has_tests = True
-    name = 'documents'
+    name = 'mayan.apps.documents'
     verbose_name = _('Documents')
 
     def ready(self):
@@ -129,7 +131,7 @@ class DocumentsApp(MayanAppConfig):
 
         DynamicSerializerField.add_serializer(
             klass=Document,
-            serializer_class='documents.serializers.DocumentSerializer'
+            serializer_class='mayan.apps.documents.serializers.DocumentSerializer'
         )
 
         MissingItem(
@@ -334,17 +336,17 @@ class DocumentsApp(MayanAppConfig):
         app.conf.CELERYBEAT_SCHEDULE.update(
             {
                 'task_check_delete_periods': {
-                    'task': 'documents.tasks.task_check_delete_periods',
+                    'task': 'mayan.apps.documents.tasks.task_check_delete_periods',
                     'schedule': timedelta(
                         seconds=CHECK_DELETE_PERIOD_INTERVAL
                     ),
                 },
                 'task_check_trash_periods': {
-                    'task': 'documents.tasks.task_check_trash_periods',
+                    'task': 'mayan.apps.documents.tasks.task_check_trash_periods',
                     'schedule': timedelta(seconds=CHECK_TRASH_PERIOD_INTERVAL),
                 },
                 'task_delete_stubs': {
-                    'task': 'documents.tasks.task_delete_stubs',
+                    'task': 'mayan.apps.documents.tasks.task_delete_stubs',
                     'schedule': timedelta(seconds=DELETE_STALE_STUBS_INTERVAL),
                 },
             }
@@ -369,37 +371,37 @@ class DocumentsApp(MayanAppConfig):
 
         app.conf.CELERY_ROUTES.update(
             {
-                'documents.tasks.task_check_delete_periods': {
+                'mayan.apps.documents.tasks.task_check_delete_periods': {
                     'queue': 'documents_periodic'
                 },
-                'documents.tasks.task_check_trash_periods': {
+                'mayan.apps.documents.tasks.task_check_trash_periods': {
                     'queue': 'documents_periodic'
                 },
-                'documents.tasks.task_clean_empty_duplicate_lists': {
+                'mayan.apps.documents.tasks.task_clean_empty_duplicate_lists': {
                     'queue': 'documents'
                 },
-                'documents.tasks.task_clear_image_cache': {
+                'mayan.apps.documents.tasks.task_clear_image_cache': {
                     'queue': 'tools'
                 },
-                'documents.tasks.task_delete_document': {
+                'mayan.apps.documents.tasks.task_delete_document': {
                     'queue': 'documents'
                 },
-                'documents.tasks.task_delete_stubs': {
+                'mayan.apps.documents.tasks.task_delete_stubs': {
                     'queue': 'documents_periodic'
                 },
-                'documents.tasks.task_generate_document_page_image': {
+                'mayan.apps.documents.tasks.task_generate_document_page_image': {
                     'queue': 'converter'
                 },
-                'documents.tasks.task_scan_duplicates_all': {
+                'mayan.apps.documents.tasks.task_scan_duplicates_all': {
                     'queue': 'tools'
                 },
-                'documents.tasks.task_scan_duplicates_for': {
+                'mayan.apps.documents.tasks.task_scan_duplicates_for': {
                     'queue': 'uploads'
                 },
-                'documents.tasks.task_update_page_count': {
+                'mayan.apps.documents.tasks.task_update_page_count': {
                     'queue': 'uploads'
                 },
-                'documents.tasks.task_upload_new_version': {
+                'mayan.apps.documents.tasks.task_upload_new_version': {
                     'queue': 'uploads'
                 },
             }
diff --git a/mayan/apps/documents/dashboard_widgets.py b/mayan/apps/documents/dashboard_widgets.py
index bfd2d3ad6c..fb42590a96 100644
--- a/mayan/apps/documents/dashboard_widgets.py
+++ b/mayan/apps/documents/dashboard_widgets.py
@@ -4,7 +4,7 @@ from django.apps import apps
 from django.urls import reverse_lazy
 from django.utils.translation import ugettext_lazy as _
 
-from common.classes import DashboardWidgetNumeric
+from mayan.apps.common.classes import DashboardWidgetNumeric
 
 from .icons import (
     icon_dashboard_documents_in_trash, icon_dashboard_document_types,
diff --git a/mayan/apps/documents/events.py b/mayan/apps/documents/events.py
index 9f24d1f1b0..817970f27d 100644
--- a/mayan/apps/documents/events.py
+++ b/mayan/apps/documents/events.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from events import EventTypeNamespace
+from mayan.apps.events import EventTypeNamespace
 
 namespace = EventTypeNamespace(name='documents', label=_('Documents'))
 
diff --git a/mayan/apps/documents/forms.py b/mayan/apps/documents/forms.py
index 0e1254dd84..136939a3cb 100644
--- a/mayan/apps/documents/forms.py
+++ b/mayan/apps/documents/forms.py
@@ -7,8 +7,8 @@ from django import forms
 from django.template.defaultfilters import filesizeformat
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
-from common.forms import DetailForm
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.forms import DetailForm
 
 from .fields import (
     DocumentField, DocumentPageField, DocumentVersionField
diff --git a/mayan/apps/documents/icons.py b/mayan/apps/documents/icons.py
index b79934b0ec..a469f83077 100644
--- a/mayan/apps/documents/icons.py
+++ b/mayan/apps/documents/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_clear_image_cache = Icon(driver_name='fontawesome', symbol='file-image')
 icon_dashboard_document_types = Icon(
diff --git a/mayan/apps/documents/links.py b/mayan/apps/documents/links.py
index 3d05d4c352..ef61a8df9c 100644
--- a/mayan/apps/documents/links.py
+++ b/mayan/apps/documents/links.py
@@ -2,10 +2,10 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from converter.permissions import (
+from mayan.apps.converter.permissions import (
     permission_transformation_delete, permission_transformation_edit
 )
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import (
     icon_clear_image_cache, icon_document_duplicates_list, icon_document_list,
diff --git a/mayan/apps/documents/literals.py b/mayan/apps/documents/literals.py
index 47777469aa..2c3fe0bccf 100644
--- a/mayan/apps/documents/literals.py
+++ b/mayan/apps/documents/literals.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from common.literals import TIME_DELTA_UNIT_DAYS
+from mayan.apps.common.literals import TIME_DELTA_UNIT_DAYS
 
 CHECK_DELETE_PERIOD_INTERVAL = 60
 CHECK_TRASH_PERIOD_INTERVAL = 60
diff --git a/mayan/apps/documents/menus.py b/mayan/apps/documents/menus.py
index 9dc48882b0..71f2ad08a8 100644
--- a/mayan/apps/documents/menus.py
+++ b/mayan/apps/documents/menus.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Menu
+from mayan.apps.navigation import Menu
 
 from .icons import icon_menu_documents
 
diff --git a/mayan/apps/documents/migrations/0003_auto_20150608_1915.py b/mayan/apps/documents/migrations/0003_auto_20150608_1915.py
index f10ffed0fc..c160252508 100644
--- a/mayan/apps/documents/migrations/0003_auto_20150608_1915.py
+++ b/mayan/apps/documents/migrations/0003_auto_20150608_1915.py
@@ -4,7 +4,7 @@ from __future__ import unicode_literals
 from django.db import models, migrations
 from django.core.files.storage import FileSystemStorage
 
-import documents.models
+import mayan.apps.documents.models
 
 
 class Migration(migrations.Migration):
@@ -18,7 +18,7 @@ class Migration(migrations.Migration):
             model_name='document',
             name='uuid',
             field=models.CharField(
-                default=documents.models.UUID_FUNCTION, max_length=48,
+                default=mayan.apps.documents.models.UUID_FUNCTION, max_length=48,
                 editable=False
             ),
             preserve_default=True,
@@ -27,7 +27,7 @@ class Migration(migrations.Migration):
             model_name='documentversion',
             name='file',
             field=models.FileField(
-                upload_to=documents.models.UUID_FUNCTION,
+                upload_to=mayan.apps.documents.models.UUID_FUNCTION,
                 storage=FileSystemStorage(),
                 verbose_name='File'
             ),
diff --git a/mayan/apps/documents/migrations/0042_auto_20180403_0702.py b/mayan/apps/documents/migrations/0042_auto_20180403_0702.py
index 4910f66398..a2528917e0 100644
--- a/mayan/apps/documents/migrations/0042_auto_20180403_0702.py
+++ b/mayan/apps/documents/migrations/0042_auto_20180403_0702.py
@@ -4,7 +4,8 @@ from __future__ import unicode_literals
 
 import django.core.files.storage
 from django.db import migrations, models
-import documents.models
+
+import mayan.apps.documents.models
 
 
 class Migration(migrations.Migration):
@@ -17,6 +18,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='documentversion',
             name='file',
-            field=models.FileField(storage=django.core.files.storage.FileSystemStorage(location=b'mayan/media/document_storage'), upload_to=documents.models.UUID_FUNCTION, verbose_name='File'),
+            field=models.FileField(storage=django.core.files.storage.FileSystemStorage(location=b'mayan/media/document_storage'), upload_to=mayan.apps.documents.models.UUID_FUNCTION, verbose_name='File'),
         ),
     ]
diff --git a/mayan/apps/documents/migrations/0043_auto_20180429_0759.py b/mayan/apps/documents/migrations/0043_auto_20180429_0759.py
index fc93acd785..8c191900ae 100644
--- a/mayan/apps/documents/migrations/0043_auto_20180429_0759.py
+++ b/mayan/apps/documents/migrations/0043_auto_20180429_0759.py
@@ -4,7 +4,8 @@ from __future__ import unicode_literals
 
 import django.core.files.storage
 from django.db import migrations, models
-import documents.models
+
+import mayan.apps.documents.models
 
 
 class Migration(migrations.Migration):
@@ -22,7 +23,7 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='documentversion',
             name='file',
-            field=models.FileField(storage=django.core.files.storage.FileSystemStorage(location=b'/home/rosarior/development/mayan-edms/mayan/media/document_storage'), upload_to=documents.models.UUID_FUNCTION, verbose_name='File'),
+            field=models.FileField(storage=django.core.files.storage.FileSystemStorage(location=b'/home/rosarior/development/mayan-edms/mayan/media/document_storage'), upload_to=mayan.apps.documents.models.UUID_FUNCTION, verbose_name='File'),
         ),
         migrations.AlterField(
             model_name='documentversion',
diff --git a/mayan/apps/documents/models.py b/mayan/apps/documents/models.py
index f5b973e01d..08a034cbba 100644
--- a/mayan/apps/documents/models.py
+++ b/mayan/apps/documents/models.py
@@ -17,16 +17,16 @@ from django.utils.encoding import force_text, python_2_unicode_compatible
 from django.utils.timezone import now
 from django.utils.translation import ugettext, ugettext_lazy as _
 
-from acls.models import AccessControlList
-from common.literals import TIME_DELTA_UNIT_CHOICES
-from converter import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.literals import TIME_DELTA_UNIT_CHOICES
+from mayan.apps.converter import (
     converter_class, BaseTransformation, TransformationResize,
     TransformationRotate, TransformationZoom
 )
-from converter.exceptions import InvalidOfficeFormat, PageCountError
-from converter.literals import DEFAULT_ZOOM_LEVEL, DEFAULT_ROTATION
-from converter.models import Transformation
-from mimetype.api import get_mimetype
+from mayan.apps.converter.exceptions import InvalidOfficeFormat, PageCountError
+from mayan.apps.converter.literals import DEFAULT_ZOOM_LEVEL, DEFAULT_ROTATION
+from mayan.apps.converter.models import Transformation
+from mayan.apps.mimetype.api import get_mimetype
 
 from .events import (
     event_document_create, event_document_new_version,
diff --git a/mayan/apps/documents/permissions.py b/mayan/apps/documents/permissions.py
index df40208190..dc3d867f2b 100644
--- a/mayan/apps/documents/permissions.py
+++ b/mayan/apps/documents/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('documents', _('Documents'))
 
diff --git a/mayan/apps/documents/queues.py b/mayan/apps/documents/queues.py
index 20c9a43659..c97f3dc61c 100644
--- a/mayan/apps/documents/queues.py
+++ b/mayan/apps/documents/queues.py
@@ -2,8 +2,8 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from common.queues import queue_tools
-from task_manager.classes import CeleryQueue
+from mayan.apps.common.queues import queue_tools
+from mayan.apps.task_manager.classes import CeleryQueue
 
 queue_converter = CeleryQueue(
     name='converter', label=_('Converter'), transient=True
@@ -19,42 +19,42 @@ queue_documents = CeleryQueue(
 )
 
 queue_converter.add_task_type(
-    name='documents.tasks.task_generate_document_page_image',
+    name='mayan.apps.documents.tasks.task_generate_document_page_image',
     label=_('Generate document page image')
 )
 
 queue_documents.add_task_type(
-    name='documents.tasks.task_delete_document',
+    name='mayan.apps.documents.tasks.task_delete_document',
     label=_('Delete a document')
 )
 queue_documents.add_task_type(
-    name='documents.tasks.task_clean_empty_duplicate_lists',
+    name='mayan.apps.documents.tasks.task_clean_empty_duplicate_lists',
     label=_('Clean empty duplicate lists')
 )
 
 queue_documents_periodic.add_task_type(
-    name='documents.tasks.task_check_delete_periods',
+    name='mayan.apps.documents.tasks.task_check_delete_periods',
     label=_('Check document type delete periods')
 )
 queue_documents_periodic.add_task_type(
-    name='documents.tasks.task_check_trash_periods',
+    name='mayan.apps.documents.tasks.task_check_trash_periods',
     label=_('Check document type trash periods')
 )
 queue_documents_periodic.add_task_type(
-    name='documents.tasks.task_delete_stubs',
+    name='mayan.apps.documents.tasks.task_delete_stubs',
     label=_('Delete document stubs')
 )
 
 queue_tools.add_task_type(
-    name='documents.tasks.task_clear_image_cache',
+    name='mayan.apps.documents.tasks.task_clear_image_cache',
     label=_('Clear image cache')
 )
 
 queue_uploads.add_task_type(
-    name='documents.tasks.task_update_page_count',
+    name='mayan.apps.documents.tasks.task_update_page_count',
     label=_('Update document page count')
 )
 queue_uploads.add_task_type(
-    name='documents.tasks.task_upload_new_version',
+    name='mayan.apps.documents.tasks.task_upload_new_version',
     label=_('Upload new document version')
 )
diff --git a/mayan/apps/documents/search.py b/mayan/apps/documents/search.py
index 0ddacc81cc..e418c7d48a 100644
--- a/mayan/apps/documents/search.py
+++ b/mayan/apps/documents/search.py
@@ -2,14 +2,14 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from dynamic_search.classes import SearchModel
+from mayan.apps.dynamic_search.classes import SearchModel
 
 from .permissions import permission_document_view
 
 document_search = SearchModel(
     app_label='documents', model_name='Document',
     permission=permission_document_view,
-    serializer_string='documents.serializers.DocumentSerializer'
+    serializer_string='mayan.apps.documents.serializers.DocumentSerializer'
 )
 
 document_search.add_model_field(
@@ -27,7 +27,7 @@ document_search.add_model_field(
 document_page_search = SearchModel(
     app_label='documents', model_name='DocumentPageResult',
     permission=permission_document_view,
-    serializer_string='documents.serializers.DocumentPageSerializer'
+    serializer_string='mayan.apps.documents.serializers.DocumentPageSerializer'
 )
 
 document_page_search.add_model_field(
diff --git a/mayan/apps/documents/serializers.py b/mayan/apps/documents/serializers.py
index 8def99ad0d..fcda698ce4 100644
--- a/mayan/apps/documents/serializers.py
+++ b/mayan/apps/documents/serializers.py
@@ -5,7 +5,7 @@ from django.utils.encoding import force_text
 from rest_framework import serializers
 from rest_framework.reverse import reverse
 
-from common.models import SharedUploadedFile
+from mayan.apps.common.models import SharedUploadedFile
 
 from .models import (
     Document, DocumentVersion, DocumentPage, DocumentType,
diff --git a/mayan/apps/documents/settings.py b/mayan/apps/documents/settings.py
index 794c433a5e..331f12f7ff 100644
--- a/mayan/apps/documents/settings.py
+++ b/mayan/apps/documents/settings.py
@@ -5,7 +5,7 @@ import os
 from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
 
-from smart_settings import Namespace
+from mayan.apps.smart_settings import Namespace
 
 from .literals import DEFAULT_LANGUAGE, DEFAULT_LANGUAGE_CODES
 
diff --git a/mayan/apps/documents/statistics.py b/mayan/apps/documents/statistics.py
index 8ba196867f..d45a89b5a7 100644
--- a/mayan/apps/documents/statistics.py
+++ b/mayan/apps/documents/statistics.py
@@ -8,7 +8,7 @@ from django.utils.translation import ugettext_lazy as _
 
 import qsstats
 
-from mayan_statistics import StatisticLineChart, StatisticNamespace
+from mayan.apps.mayan_statistics import StatisticLineChart, StatisticNamespace
 
 from .permissions import permission_document_view
 
diff --git a/mayan/apps/documents/templates/documents/forms/widgets/document_page_image.html b/mayan/apps/documents/templates/documents/forms/widgets/document_page_image.html
index 87c26a5011..6637a46de0 100644
--- a/mayan/apps/documents/templates/documents/forms/widgets/document_page_image.html
+++ b/mayan/apps/documents/templates/documents/forms/widgets/document_page_image.html
@@ -5,7 +5,7 @@
     <span class="spinner-container text-primary"
         style="height: {% if display_full_height %}100%{% else %}{{ display_height|default:150 }}px{% endif %}; display: block;"
     >
-        {% get_icon 'documents.icons.icon_document_image_loading'  %}
+        {% get_icon 'mayan.apps.documents.icons.icon_document_image_loading'  %}
     </span>
     <img
         class="thin_border {{ image_classes }}"
diff --git a/mayan/apps/documents/tests/base.py b/mayan/apps/documents/tests/base.py
index 4f9eecc7b7..88170c6249 100644
--- a/mayan/apps/documents/tests/base.py
+++ b/mayan/apps/documents/tests/base.py
@@ -4,7 +4,7 @@ from __future__ import unicode_literals
 
 from django.test import override_settings
 
-from common.tests import BaseTestCase, GenericViewTestCase
+from mayan.apps.common.tests import BaseTestCase, GenericViewTestCase
 
 from .mixins import DocumentTestMixin
 
diff --git a/mayan/apps/documents/tests/test_api.py b/mayan/apps/documents/tests/test_api.py
index ab64ddf6e6..9e7255a1eb 100644
--- a/mayan/apps/documents/tests/test_api.py
+++ b/mayan/apps/documents/tests/test_api.py
@@ -10,7 +10,7 @@ from django.utils.encoding import force_text
 from django_downloadview import assert_download_response
 from rest_framework import status
 
-from rest_api.tests import BaseAPITestCase
+from mayan.apps.rest_api.tests import BaseAPITestCase
 
 from ..models import Document, DocumentType
 from ..permissions import (
diff --git a/mayan/apps/documents/tests/test_document_views.py b/mayan/apps/documents/tests/test_document_views.py
index a5bb421d81..dc609c99e8 100644
--- a/mayan/apps/documents/tests/test_document_views.py
+++ b/mayan/apps/documents/tests/test_document_views.py
@@ -7,8 +7,8 @@ import os
 from django.contrib.contenttypes.models import ContentType
 from django.utils.encoding import force_text
 
-from converter.models import Transformation
-from converter.permissions import permission_transformation_delete
+from mayan.apps.converter.models import Transformation
+from mayan.apps.converter.permissions import permission_transformation_delete
 
 from ..literals import PAGE_RANGE_ALL
 from ..models import DeletedDocument, Document, DocumentType
diff --git a/mayan/apps/documents/tests/test_events.py b/mayan/apps/documents/tests/test_events.py
index 540fca55b4..45c928c0fa 100644
--- a/mayan/apps/documents/tests/test_events.py
+++ b/mayan/apps/documents/tests/test_events.py
@@ -5,7 +5,7 @@ from __future__ import unicode_literals
 from actstream.models import Action
 from django_downloadview import assert_download_response
 
-from user_management.tests.literals import (
+from mayan.apps.user_management.tests.literals import (
     TEST_USER_PASSWORD, TEST_USER_USERNAME
 )
 
diff --git a/mayan/apps/documents/tests/test_links.py b/mayan/apps/documents/tests/test_links.py
index 4ee96b545c..a08ebdf210 100644
--- a/mayan/apps/documents/tests/test_links.py
+++ b/mayan/apps/documents/tests/test_links.py
@@ -6,7 +6,7 @@ import time
 
 from django.urls import reverse
 
-from acls.models import AccessControlList
+from mayan.apps.acls.models import AccessControlList
 
 from ..links import (
     link_document_restore, link_document_version_download,
diff --git a/mayan/apps/documents/tests/test_models.py b/mayan/apps/documents/tests/test_models.py
index 954487b493..85d5c9b8c1 100644
--- a/mayan/apps/documents/tests/test_models.py
+++ b/mayan/apps/documents/tests/test_models.py
@@ -5,7 +5,7 @@ import time
 
 from django.test import override_settings
 
-from common.tests import BaseTestCase
+from mayan.apps.common.tests import BaseTestCase
 
 from ..literals import STUB_EXPIRATION_INTERVAL
 from ..models import (
diff --git a/mayan/apps/documents/tests/test_search.py b/mayan/apps/documents/tests/test_search.py
index 660fcecdaf..da333ef8c6 100644
--- a/mayan/apps/documents/tests/test_search.py
+++ b/mayan/apps/documents/tests/test_search.py
@@ -2,10 +2,10 @@ from __future__ import unicode_literals
 
 from django.test import override_settings
 
-from common.tests import BaseTestCase
-from documents.permissions import permission_document_view
-from documents.search import document_search, document_page_search
-from documents.tests import DocumentTestMixin
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.documents.search import document_search, document_page_search
+from mayan.apps.documents.tests import DocumentTestMixin
 
 
 @override_settings(OCR_AUTO_OCR=False)
diff --git a/mayan/apps/documents/tests/test_utils.py b/mayan/apps/documents/tests/test_utils.py
index 8ea97d5079..1484282931 100644
--- a/mayan/apps/documents/tests/test_utils.py
+++ b/mayan/apps/documents/tests/test_utils.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 
-from common.tests import BaseTestCase
+from mayan.apps.common.tests import BaseTestCase
 
 from ..utils import parse_range
 
diff --git a/mayan/apps/documents/views/document_page_views.py b/mayan/apps/documents/views/document_page_views.py
index fb99f928c2..b1f02793e8 100644
--- a/mayan/apps/documents/views/document_page_views.py
+++ b/mayan/apps/documents/views/document_page_views.py
@@ -11,10 +11,10 @@ from django.utils.six.moves.urllib.parse import parse_qs, urlparse
 from django.utils.translation import ugettext_lazy as _
 from django.views.generic import RedirectView
 
-from acls.models import AccessControlList
-from common.generics import SimpleView, SingleObjectListView
-from common.utils import resolve
-from converter.literals import DEFAULT_ROTATION, DEFAULT_ZOOM_LEVEL
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.generics import SimpleView, SingleObjectListView
+from mayan.apps.common.utils import resolve
+from mayan.apps.converter.literals import DEFAULT_ROTATION, DEFAULT_ZOOM_LEVEL
 
 from ..forms import DocumentPageForm
 from ..models import Document, DocumentPage
diff --git a/mayan/apps/documents/views/document_type_views.py b/mayan/apps/documents/views/document_type_views.py
index d7810b1ca6..a2b05bc64f 100644
--- a/mayan/apps/documents/views/document_type_views.py
+++ b/mayan/apps/documents/views/document_type_views.py
@@ -7,8 +7,8 @@ from django.template import RequestContext
 from django.urls import reverse, reverse_lazy
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
-from common.generics import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.generics import (
     SingleObjectCreateView, SingleObjectDeleteView, SingleObjectEditView,
     SingleObjectListView
 )
diff --git a/mayan/apps/documents/views/document_version_views.py b/mayan/apps/documents/views/document_version_views.py
index f54471c3e8..1d456bc68a 100644
--- a/mayan/apps/documents/views/document_version_views.py
+++ b/mayan/apps/documents/views/document_version_views.py
@@ -6,8 +6,8 @@ from django.contrib import messages
 from django.shortcuts import get_object_or_404
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
-from common.generics import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.generics import (
     ConfirmView, SingleObjectDetailView, SingleObjectListView
 )
 
diff --git a/mayan/apps/documents/views/document_views.py b/mayan/apps/documents/views/document_views.py
index 2dacedaf00..79291a3e88 100644
--- a/mayan/apps/documents/views/document_views.py
+++ b/mayan/apps/documents/views/document_views.py
@@ -10,18 +10,18 @@ from django.urls import reverse, reverse_lazy
 from django.utils.http import urlencode
 from django.utils.translation import ugettext_lazy as _, ungettext
 
-from acls.models import AccessControlList
-from common.compressed_files import ZipArchive
-from common.exceptions import ActionError
-from common.generics import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.compressed_files import ZipArchive
+from mayan.apps.common.exceptions import ActionError
+from mayan.apps.common.generics import (
     ConfirmView, FormView, MultipleObjectConfirmActionView,
     MultipleObjectFormActionView, SingleObjectDetailView,
     SingleObjectDownloadView, SingleObjectEditView, SingleObjectListView
 )
-from common.mixins import MultipleInstanceActionMixin
-from common.utils import encapsulate
-from converter.models import Transformation
-from converter.permissions import (
+from mayan.apps.common.mixins import MultipleInstanceActionMixin
+from mayan.apps.common.utils import encapsulate
+from mayan.apps.converter.models import Transformation
+from mayan.apps.converter.permissions import (
     permission_transformation_delete, permission_transformation_edit
 )
 
diff --git a/mayan/apps/documents/views/misc_views.py b/mayan/apps/documents/views/misc_views.py
index 741acd5677..482dd15e84 100644
--- a/mayan/apps/documents/views/misc_views.py
+++ b/mayan/apps/documents/views/misc_views.py
@@ -5,7 +5,7 @@ import logging
 from django.contrib import messages
 from django.utils.translation import ugettext_lazy as _
 
-from common.generics import ConfirmView
+from mayan.apps.common.generics import ConfirmView
 
 from ..permissions import permission_document_tools
 from ..tasks import task_clear_image_cache, task_scan_duplicates_all
diff --git a/mayan/apps/dynamic_search/__init__.py b/mayan/apps/dynamic_search/__init__.py
index 3a351a2bf7..74fb202e1e 100644
--- a/mayan/apps/dynamic_search/__init__.py
+++ b/mayan/apps/dynamic_search/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'dynamic_search.apps.DynamicSearchApp'
+default_app_config = 'mayan.apps.dynamic_search.apps.DynamicSearchApp'
diff --git a/mayan/apps/dynamic_search/api_views.py b/mayan/apps/dynamic_search/api_views.py
index 2017cce50a..98d047390f 100644
--- a/mayan/apps/dynamic_search/api_views.py
+++ b/mayan/apps/dynamic_search/api_views.py
@@ -5,7 +5,7 @@ from django.utils.encoding import force_text
 from rest_framework import generics
 from rest_framework.exceptions import ParseError
 
-from rest_api.filters import MayanObjectPermissionsFilter
+from mayan.apps.rest_api.filters import MayanObjectPermissionsFilter
 
 from .classes import SearchModel
 from .mixins import SearchModelMixin
diff --git a/mayan/apps/dynamic_search/apps.py b/mayan/apps/dynamic_search/apps.py
index 2527c7375c..fdd1008fc3 100644
--- a/mayan/apps/dynamic_search/apps.py
+++ b/mayan/apps/dynamic_search/apps.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from common import MayanAppConfig, menu_facet, menu_sidebar
+from mayan.apps.common import MayanAppConfig, menu_facet, menu_sidebar
 
 from .links import link_search, link_search_advanced, link_search_again
 
@@ -12,7 +12,7 @@ class DynamicSearchApp(MayanAppConfig):
     app_url = 'search'
     has_rest_api = True
     has_tests = True
-    name = 'dynamic_search'
+    name = 'mayan.apps.dynamic_search'
     verbose_name = _('Dynamic search')
 
     def ready(self):
diff --git a/mayan/apps/dynamic_search/icons.py b/mayan/apps/dynamic_search/icons.py
index 7651778409..6c56110ca2 100644
--- a/mayan/apps/dynamic_search/icons.py
+++ b/mayan/apps/dynamic_search/icons.py
@@ -1,5 +1,5 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_search_submit = Icon(driver_name='fontawesome', symbol='search')
diff --git a/mayan/apps/dynamic_search/links.py b/mayan/apps/dynamic_search/links.py
index 9c3b01ce5f..4ef031a533 100644
--- a/mayan/apps/dynamic_search/links.py
+++ b/mayan/apps/dynamic_search/links.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
+from mayan.apps.navigation import Link
 
 link_search = Link(
     text=_('Search'), view='search:search', args='search_model.get_full_name'
diff --git a/mayan/apps/dynamic_search/settings.py b/mayan/apps/dynamic_search/settings.py
index 3c5a8dbb89..e3e3dd928c 100644
--- a/mayan/apps/dynamic_search/settings.py
+++ b/mayan/apps/dynamic_search/settings.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from smart_settings import Namespace
+from mayan.apps.smart_settings import Namespace
 
 
 namespace = Namespace(name='dynamic_search', label=_('Search'))
diff --git a/mayan/apps/dynamic_search/tests/test_api.py b/mayan/apps/dynamic_search/tests/test_api.py
index 9af7dd5586..555ec90cb2 100644
--- a/mayan/apps/dynamic_search/tests/test_api.py
+++ b/mayan/apps/dynamic_search/tests/test_api.py
@@ -4,10 +4,10 @@ from django.test import override_settings
 
 from rest_framework import status
 
-from documents.search import document_search
-from documents.permissions import permission_document_view
-from documents.tests import DocumentTestMixin
-from rest_api.tests import BaseAPITestCase
+from mayan.apps.documents.search import document_search
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.documents.tests import DocumentTestMixin
+from mayan.apps.rest_api.tests import BaseAPITestCase
 
 from ..classes import SearchModel
 
diff --git a/mayan/apps/dynamic_search/tests/test_models.py b/mayan/apps/dynamic_search/tests/test_models.py
index 1cdc55e2c1..3b6254c7b2 100644
--- a/mayan/apps/dynamic_search/tests/test_models.py
+++ b/mayan/apps/dynamic_search/tests/test_models.py
@@ -2,9 +2,9 @@ from __future__ import unicode_literals
 
 from django.test import override_settings
 
-from common.tests import BaseTestCase
-from documents.search import document_search
-from documents.tests import (
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.documents.search import document_search
+from mayan.apps.documents.tests import (
     DocumentTestMixin, TEST_DOCUMENT_FILENAME, TEST_SMALL_DOCUMENT_FILENAME
 )
 
diff --git a/mayan/apps/dynamic_search/tests/test_views.py b/mayan/apps/dynamic_search/tests/test_views.py
index 7ab2ffb5b7..30299bca97 100644
--- a/mayan/apps/dynamic_search/tests/test_views.py
+++ b/mayan/apps/dynamic_search/tests/test_views.py
@@ -2,10 +2,10 @@ from __future__ import unicode_literals
 
 from django.test import override_settings
 
-from common.tests import GenericViewTestCase
-from documents.models import DocumentType
-from documents.search import document_search
-from documents.tests import TEST_DOCUMENT_TYPE_LABEL, TEST_SMALL_DOCUMENT_PATH
+from mayan.apps.common.tests import GenericViewTestCase
+from mayan.apps.documents.models import DocumentType
+from mayan.apps.documents.search import document_search
+from mayan.apps.documents.tests import TEST_DOCUMENT_TYPE_LABEL, TEST_SMALL_DOCUMENT_PATH
 
 
 @override_settings(OCR_AUTO_OCR=False)
diff --git a/mayan/apps/dynamic_search/views.py b/mayan/apps/dynamic_search/views.py
index b6e93d9e68..5dcc9a9a6f 100644
--- a/mayan/apps/dynamic_search/views.py
+++ b/mayan/apps/dynamic_search/views.py
@@ -6,7 +6,7 @@ from django.urls import reverse
 from django.utils.translation import ugettext_lazy as _
 from django.views.generic.base import RedirectView
 
-from common.generics import SimpleView, SingleObjectListView
+from mayan.apps.common.generics import SimpleView, SingleObjectListView
 
 from .forms import SearchForm, AdvancedSearchForm
 from .icons import icon_search_submit
diff --git a/mayan/apps/events/__init__.py b/mayan/apps/events/__init__.py
index d4884e06cb..afccd949a6 100644
--- a/mayan/apps/events/__init__.py
+++ b/mayan/apps/events/__init__.py
@@ -2,4 +2,4 @@ from __future__ import unicode_literals
 
 from .classes import EventTypeNamespace, ModelEventType  # NOQA
 
-default_app_config = 'events.apps.EventsApp'
+default_app_config = 'mayan.apps.events.apps.EventsApp'
diff --git a/mayan/apps/events/api_views.py b/mayan/apps/events/api_views.py
index 28801c1ae9..c5513f0ff3 100644
--- a/mayan/apps/events/api_views.py
+++ b/mayan/apps/events/api_views.py
@@ -7,8 +7,8 @@ from django.shortcuts import get_object_or_404
 from actstream.models import Action, any_stream
 from rest_framework import generics
 
-from acls.models import AccessControlList
-from rest_api.permissions import MayanPermission
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.rest_api.permissions import MayanPermission
 
 from .classes import EventType, EventTypeNamespace
 from .models import Notification
diff --git a/mayan/apps/events/apps.py b/mayan/apps/events/apps.py
index 8de1e7012a..b306f7eb2c 100644
--- a/mayan/apps/events/apps.py
+++ b/mayan/apps/events/apps.py
@@ -4,12 +4,12 @@ from django.apps import apps
 from django.contrib.auth import get_user_model
 from django.utils.translation import ugettext_lazy as _
 
-from common import (
+from mayan.apps.common import (
     MayanAppConfig, menu_main, menu_object, menu_secondary, menu_tools,
     menu_user
 )
-from common.widgets import TwoStateWidget
-from navigation import SourceColumn
+from mayan.apps.common.widgets import TwoStateWidget
+from mayan.apps.navigation import SourceColumn
 
 from .links import (
     link_events_list, link_event_types_subscriptions_list,
@@ -21,9 +21,11 @@ from .widgets import event_object_link, event_type_link, event_user_link
 
 
 class EventsApp(MayanAppConfig):
+    app_namespace = 'events'
+    app_url = 'events'
     has_rest_api = True
     has_tests = True
-    name = 'events'
+    name = 'mayan.apps.events'
     verbose_name = _('Events')
 
     def ready(self):
diff --git a/mayan/apps/events/icons.py b/mayan/apps/events/icons.py
index 8741af8075..9a4419ec3d 100644
--- a/mayan/apps/events/icons.py
+++ b/mayan/apps/events/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_event_types_subscriptions_list = Icon(
     driver_name='fontawesome', symbol='list-ol'
diff --git a/mayan/apps/events/licenses.py b/mayan/apps/events/licenses.py
index 4ea6e2d0f6..e2b1976fae 100644
--- a/mayan/apps/events/licenses.py
+++ b/mayan/apps/events/licenses.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 
-from common.classes import Package
+from mayan.apps.common.classes import Package
 
 Package(label='django-activity-stream', license_text='''
 Copyright (c) 2010-2015, Justin Quick
diff --git a/mayan/apps/events/links.py b/mayan/apps/events/links.py
index cbd29f22e6..a3b45874d4 100644
--- a/mayan/apps/events/links.py
+++ b/mayan/apps/events/links.py
@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 from django.apps import apps
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import (
     icon_events_list, icon_events_for_object,
diff --git a/mayan/apps/events/permissions.py b/mayan/apps/events/permissions.py
index f0f7a01eff..92df60d901 100644
--- a/mayan/apps/events/permissions.py
+++ b/mayan/apps/events/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('events', _('Events'))
 permission_events_view = namespace.add_permission(
diff --git a/mayan/apps/events/serializers.py b/mayan/apps/events/serializers.py
index 3f2c7d8e20..c15a853bd8 100644
--- a/mayan/apps/events/serializers.py
+++ b/mayan/apps/events/serializers.py
@@ -6,9 +6,9 @@ from actstream.models import Action
 from rest_framework import serializers
 from rest_framework.reverse import reverse
 
-from common.serializers import ContentTypeSerializer
-from rest_api.fields import DynamicSerializerField
-from user_management.serializers import UserSerializer
+from mayan.apps.common.serializers import ContentTypeSerializer
+from mayan.apps.rest_api.fields import DynamicSerializerField
+from mayan.apps.user_management.serializers import UserSerializer
 
 from .classes import EventType
 from .models import Notification, StoredEventType
diff --git a/mayan/apps/events/tests/test_api.py b/mayan/apps/events/tests/test_api.py
index 11e66206d3..b11e6e85e0 100644
--- a/mayan/apps/events/tests/test_api.py
+++ b/mayan/apps/events/tests/test_api.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.urls import reverse
 
-from rest_api.tests import BaseAPITestCase
+from mayan.apps.rest_api.tests import BaseAPITestCase
 
 
 class EventAPITestCase(BaseAPITestCase):
diff --git a/mayan/apps/events/tests/test_views.py b/mayan/apps/events/tests/test_views.py
index 1aa0beec89..c7bad2f229 100644
--- a/mayan/apps/events/tests/test_views.py
+++ b/mayan/apps/events/tests/test_views.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.contrib.contenttypes.models import ContentType
 
-from documents.tests import GenericDocumentViewTestCase
+from mayan.apps.documents.tests import GenericDocumentViewTestCase
 
 from ..permissions import permission_events_view
 
diff --git a/mayan/apps/events/views.py b/mayan/apps/events/views.py
index 662cce7926..a596736ca3 100644
--- a/mayan/apps/events/views.py
+++ b/mayan/apps/events/views.py
@@ -11,10 +11,10 @@ from django.utils.translation import ugettext_lazy as _
 
 from actstream.models import Action, any_stream
 
-from acls.models import AccessControlList
-from common.generics import FormView, SimpleView
-from common.utils import encapsulate
-from common.views import SingleObjectListView
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.generics import FormView, SimpleView
+from mayan.apps.common.utils import encapsulate
+from mayan.apps.common.views import SingleObjectListView
 
 from .classes import EventType, ModelEventType
 from .forms import (
diff --git a/mayan/apps/linking/__init__.py b/mayan/apps/linking/__init__.py
index 1324627d23..c6eb1f042c 100644
--- a/mayan/apps/linking/__init__.py
+++ b/mayan/apps/linking/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'linking.apps.LinkingApp'
+default_app_config = 'mayan.apps.linking.apps.LinkingApp'
diff --git a/mayan/apps/linking/api_views.py b/mayan/apps/linking/api_views.py
index 26e7e74ff1..be474e8865 100644
--- a/mayan/apps/linking/api_views.py
+++ b/mayan/apps/linking/api_views.py
@@ -4,11 +4,11 @@ from django.shortcuts import get_object_or_404
 
 from rest_framework import generics
 
-from acls.models import AccessControlList
-from documents.models import Document
-from documents.permissions import permission_document_view
-from rest_api.filters import MayanObjectPermissionsFilter
-from rest_api.permissions import MayanPermission
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.documents.models import Document
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.rest_api.filters import MayanObjectPermissionsFilter
+from mayan.apps.rest_api.permissions import MayanPermission
 
 from .models import SmartLink
 from .permissions import (
diff --git a/mayan/apps/linking/apps.py b/mayan/apps/linking/apps.py
index aa90fa2944..b0b8f0afe7 100644
--- a/mayan/apps/linking/apps.py
+++ b/mayan/apps/linking/apps.py
@@ -3,15 +3,15 @@ from __future__ import unicode_literals
 from django.apps import apps
 from django.utils.translation import ugettext_lazy as _
 
-from acls import ModelPermission
-from acls.links import link_acl_list
-from acls.permissions import permission_acl_edit, permission_acl_view
-from common import (
+from mayan.apps.acls import ModelPermission
+from mayan.apps.acls.links import link_acl_list
+from mayan.apps.acls.permissions import permission_acl_edit, permission_acl_view
+from mayan.apps.common import (
     MayanAppConfig, menu_facet, menu_object, menu_secondary, menu_setup,
     menu_sidebar
 )
-from common.widgets import TwoStateWidget
-from navigation import SourceColumn
+from mayan.apps.common.widgets import TwoStateWidget
+from mayan.apps.navigation import SourceColumn
 
 from .links import (
     link_smart_link_create, link_smart_link_condition_create,
@@ -28,9 +28,11 @@ from .permissions import (
 
 
 class LinkingApp(MayanAppConfig):
+    app_namespace = 'linking'
+    app_url = 'smart_links'
     has_rest_api = True
     has_tests = True
-    name = 'linking'
+    name = 'mayan.apps.linking'
     verbose_name = _('Linking')
 
     def ready(self):
diff --git a/mayan/apps/linking/forms.py b/mayan/apps/linking/forms.py
index ce48a661ce..78ce42d758 100644
--- a/mayan/apps/linking/forms.py
+++ b/mayan/apps/linking/forms.py
@@ -4,8 +4,8 @@ from django import forms
 from django.utils.encoding import force_text
 from django.utils.translation import ugettext_lazy as _
 
-from common.classes import ModelField, ModelProperty
-from documents.models import Document
+from mayan.apps.common.classes import ModelField, ModelProperty
+from mayan.apps.documents.models import Document
 
 from .models import SmartLink, SmartLinkCondition
 
diff --git a/mayan/apps/linking/icons.py b/mayan/apps/linking/icons.py
index 38722fe6b3..4f0774d21c 100644
--- a/mayan/apps/linking/icons.py
+++ b/mayan/apps/linking/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_smart_link_condition_create = Icon(
     driver_name='fontawesome', symbol='plus'
diff --git a/mayan/apps/linking/links.py b/mayan/apps/linking/links.py
index c98fcc9c92..68f5ae521c 100644
--- a/mayan/apps/linking/links.py
+++ b/mayan/apps/linking/links.py
@@ -2,8 +2,8 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from documents.permissions import permission_document_view
-from navigation import Link
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.navigation import Link
 
 from .icons import (
     icon_smart_link_condition_create, icon_smart_link_create,
diff --git a/mayan/apps/linking/models.py b/mayan/apps/linking/models.py
index 19af031945..f5983ad792 100644
--- a/mayan/apps/linking/models.py
+++ b/mayan/apps/linking/models.py
@@ -6,7 +6,7 @@ from django.template import Context, Template
 from django.utils.encoding import force_text, python_2_unicode_compatible
 from django.utils.translation import ugettext_lazy as _
 
-from documents.models import Document, DocumentType
+from mayan.apps.documents.models import Document, DocumentType
 
 from .literals import (
     INCLUSION_AND, INCLUSION_CHOICES, INCLUSION_OR, OPERATOR_CHOICES
diff --git a/mayan/apps/linking/permissions.py b/mayan/apps/linking/permissions.py
index 6c9882dfc5..9709dd6be4 100644
--- a/mayan/apps/linking/permissions.py
+++ b/mayan/apps/linking/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('linking', _('Smart links'))
 
diff --git a/mayan/apps/linking/serializers.py b/mayan/apps/linking/serializers.py
index 3bc1b3ba50..03b18d0eb4 100644
--- a/mayan/apps/linking/serializers.py
+++ b/mayan/apps/linking/serializers.py
@@ -6,8 +6,10 @@ from rest_framework import serializers
 from rest_framework.exceptions import ValidationError
 from rest_framework.reverse import reverse
 
-from documents.models import DocumentType
-from documents.serializers import DocumentSerializer, DocumentTypeSerializer
+from mayan.apps.documents.models import DocumentType
+from mayan.apps.documents.serializers import (
+    DocumentSerializer, DocumentTypeSerializer
+)
 
 from .models import SmartLink, SmartLinkCondition
 
diff --git a/mayan/apps/linking/tests/test_api.py b/mayan/apps/linking/tests/test_api.py
index 90fb862bc2..fa92ffdb83 100644
--- a/mayan/apps/linking/tests/test_api.py
+++ b/mayan/apps/linking/tests/test_api.py
@@ -4,13 +4,13 @@ from django.test import override_settings
 
 from rest_framework import status
 
-from documents.models import DocumentType
-from documents.permissions import permission_document_view
-from documents.tests import DocumentTestMixin
-from documents.tests.literals import (
+from mayan.apps.documents.models import DocumentType
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.documents.tests import DocumentTestMixin
+from mayan.apps.documents.tests.literals import (
     TEST_DOCUMENT_TYPE_LABEL, TEST_SMALL_DOCUMENT_PATH
 )
-from rest_api.tests import BaseAPITestCase
+from mayan.apps.rest_api.tests import BaseAPITestCase
 
 from ..models import SmartLink, SmartLinkCondition
 from ..permissions import (
diff --git a/mayan/apps/linking/tests/test_models.py b/mayan/apps/linking/tests/test_models.py
index 23ad1326ba..9c91ef5d62 100644
--- a/mayan/apps/linking/tests/test_models.py
+++ b/mayan/apps/linking/tests/test_models.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.test import override_settings
 
-from documents.tests import GenericDocumentTestCase
+from mayan.apps.documents.tests import GenericDocumentTestCase
 
 from ..models import SmartLink
 
diff --git a/mayan/apps/linking/tests/test_views.py b/mayan/apps/linking/tests/test_views.py
index b8b6fd4805..3efce0848a 100644
--- a/mayan/apps/linking/tests/test_views.py
+++ b/mayan/apps/linking/tests/test_views.py
@@ -1,7 +1,7 @@
 from __future__ import absolute_import, unicode_literals
 
-from documents.permissions import permission_document_view
-from documents.tests import GenericDocumentViewTestCase
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.documents.tests import GenericDocumentViewTestCase
 
 from ..models import SmartLink
 from ..permissions import (
diff --git a/mayan/apps/linking/views.py b/mayan/apps/linking/views.py
index 8ac26f451b..f7d99baa17 100644
--- a/mayan/apps/linking/views.py
+++ b/mayan/apps/linking/views.py
@@ -9,14 +9,14 @@ from django.template import RequestContext
 from django.urls import reverse, reverse_lazy
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
-from common.generics import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.generics import (
     AssignRemoveView, SingleObjectCreateView, SingleObjectDeleteView,
     SingleObjectEditView, SingleObjectListView
 )
-from documents.models import Document, DocumentType
-from documents.permissions import permission_document_view
-from documents.views import DocumentListView
+from mayan.apps.documents.models import Document, DocumentType
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.documents.views import DocumentListView
 
 from .forms import SmartLinkConditionForm, SmartLinkForm
 from .icons import icon_smart_link_setup, icon_smart_link_condition
diff --git a/mayan/apps/lock_manager/__init__.py b/mayan/apps/lock_manager/__init__.py
index c2d5d99bd3..436610b26c 100644
--- a/mayan/apps/lock_manager/__init__.py
+++ b/mayan/apps/lock_manager/__init__.py
@@ -2,4 +2,4 @@ from __future__ import unicode_literals
 
 from .exceptions import LockError  # NOQA
 
-default_app_config = 'lock_manager.apps.LockManagerApp'
+default_app_config = 'mayan.apps.lock_manager.apps.LockManagerApp'
diff --git a/mayan/apps/lock_manager/apps.py b/mayan/apps/lock_manager/apps.py
index 27e11f8bd1..3a894b9540 100644
--- a/mayan/apps/lock_manager/apps.py
+++ b/mayan/apps/lock_manager/apps.py
@@ -6,5 +6,5 @@ from django.utils.translation import ugettext_lazy as _
 
 class LockManagerApp(apps.AppConfig):
     has_tests = True
-    name = 'lock_manager'
+    name = 'mayan.apps.lock_manager'
     verbose_name = _('Lock manager')
diff --git a/mayan/apps/lock_manager/backends/file_lock.py b/mayan/apps/lock_manager/backends/file_lock.py
index 776d948c46..29e4b16f79 100644
--- a/mayan/apps/lock_manager/backends/file_lock.py
+++ b/mayan/apps/lock_manager/backends/file_lock.py
@@ -12,7 +12,7 @@ from django.conf import settings
 from django.core.files import locks
 from django.utils.encoding import force_bytes, force_text
 
-from common.settings import setting_temporary_directory
+from mayan.apps.common.settings import setting_temporary_directory
 
 from ..exceptions import LockError
 from ..settings import setting_default_lock_timeout
diff --git a/mayan/apps/lock_manager/settings.py b/mayan/apps/lock_manager/settings.py
index b13f1e286a..defbc79a99 100644
--- a/mayan/apps/lock_manager/settings.py
+++ b/mayan/apps/lock_manager/settings.py
@@ -2,9 +2,9 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from smart_settings import Namespace
+from mayan.apps.smart_settings import Namespace
 
-DEFAULT_BACKEND = 'lock_manager.backends.file_lock.FileLock'
+DEFAULT_BACKEND = 'mayan.apps.lock_manager.backends.file_lock.FileLock'
 DEFAULT_LOCK_TIMEOUT_VALUE = 30
 
 namespace = Namespace(name='lock_manager', label=_('Lock manager'))
diff --git a/mayan/apps/lock_manager/tests/test_backends.py b/mayan/apps/lock_manager/tests/test_backends.py
index 005db749c0..97844c1207 100644
--- a/mayan/apps/lock_manager/tests/test_backends.py
+++ b/mayan/apps/lock_manager/tests/test_backends.py
@@ -11,7 +11,7 @@ TEST_LOCK_1 = 'test lock 1'
 
 
 class FileLockTestCase(TestCase):
-    backend_string = 'lock_manager.backends.file_lock.FileLock'
+    backend_string = 'mayan.apps.lock_manager.backends.file_lock.FileLock'
 
     def setUp(self):
         self.locking_backend = import_string(self.backend_string)
@@ -71,4 +71,4 @@ class FileLockTestCase(TestCase):
 
 
 class ModelLockTestCase(FileLockTestCase):
-    backend_string = 'lock_manager.backends.model_lock.ModelLock'
+    backend_string = 'mayan.apps.lock_manager.backends.model_lock.ModelLock'
diff --git a/mayan/apps/mailer/__init__.py b/mayan/apps/mailer/__init__.py
index a4a9147d3b..1e8156d5fe 100644
--- a/mayan/apps/mailer/__init__.py
+++ b/mayan/apps/mailer/__init__.py
@@ -2,4 +2,4 @@ from __future__ import unicode_literals
 
 from .classes import *  # NOQA
 
-default_app_config = 'mailer.apps.MailerApp'
+default_app_config = 'mayan.apps.mailer.apps.MailerApp'
diff --git a/mayan/apps/mailer/apps.py b/mayan/apps/mailer/apps.py
index a9d95ad7f8..3e0370e8e9 100644
--- a/mayan/apps/mailer/apps.py
+++ b/mayan/apps/mailer/apps.py
@@ -5,16 +5,16 @@ from kombu import Exchange, Queue
 from django.apps import apps
 from django.utils.translation import ugettext_lazy as _
 
-from acls import ModelPermission
-from acls.links import link_acl_list
-from acls.permissions import permission_acl_edit, permission_acl_view
-from common import (
+from mayan.apps.acls import ModelPermission
+from mayan.apps.acls.links import link_acl_list
+from mayan.apps.acls.permissions import permission_acl_edit, permission_acl_view
+from mayan.apps.common import (
     MayanAppConfig, menu_object, menu_multi_item, menu_secondary, menu_setup,
     menu_tools
 )
-from common.widgets import TwoStateWidget
+from mayan.apps.common.widgets import TwoStateWidget
+from mayan.apps.navigation import SourceColumn
 from mayan.celery import app
-from navigation import SourceColumn
 
 from .classes import MailerBackend
 from .links import (
@@ -33,8 +33,10 @@ from .queues import *  # NOQA
 
 
 class MailerApp(MayanAppConfig):
+    app_namespace = 'mailer'
+    app_url = 'mailer'
     has_tests = True
-    name = 'mailer'
+    name = 'mayan.apps.mailer'
     verbose_name = _('Mailer')
 
     def ready(self):
@@ -94,7 +96,7 @@ class MailerApp(MayanAppConfig):
 
         app.conf.CELERY_ROUTES.update(
             {
-                'mailer.tasks.task_send_document': {
+                'mayan.apps.mailer.tasks.task_send_document': {
                     'queue': 'mailing'
                 },
             }
diff --git a/mayan/apps/mailer/classes.py b/mayan/apps/mailer/classes.py
index 4c5d7de4cf..7b6285fffc 100644
--- a/mayan/apps/mailer/classes.py
+++ b/mayan/apps/mailer/classes.py
@@ -20,7 +20,7 @@ class MailerBackendMetaclass(type):
         new_class = super(MailerBackendMetaclass, mcs).__new__(
             mcs, name, bases, attrs
         )
-        if not new_class.__module__ == 'mailer.classes':
+        if not new_class.__module__ == 'mayan.apps.mailer.classes':
             mcs._registry[
                 '{}.{}'.format(new_class.__module__, name)
             ] = new_class
diff --git a/mayan/apps/mailer/forms.py b/mayan/apps/mailer/forms.py
index eadedf15d6..4b3072c6fa 100644
--- a/mayan/apps/mailer/forms.py
+++ b/mayan/apps/mailer/forms.py
@@ -5,9 +5,9 @@ import json
 from django import forms
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
-from common.forms import DynamicModelForm
-from common.settings import setting_project_title, setting_project_url
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.forms import DynamicModelForm
+from mayan.apps.common.settings import setting_project_title, setting_project_url
 
 from .classes import MailerBackend
 from .models import UserMailer
diff --git a/mayan/apps/mailer/icons.py b/mayan/apps/mailer/icons.py
index d5c0eee448..86f56ea419 100644
--- a/mayan/apps/mailer/icons.py
+++ b/mayan/apps/mailer/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_mail_document_submit = Icon(
     driver_name='fontawesome', symbol='envelope'
diff --git a/mayan/apps/mailer/links.py b/mayan/apps/mailer/links.py
index ff70be2f84..0db072ef4d 100644
--- a/mayan/apps/mailer/links.py
+++ b/mayan/apps/mailer/links.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import (
     icon_system_mailer_error_log, icon_user_mailer_create,
diff --git a/mayan/apps/mailer/permissions.py b/mayan/apps/mailer/permissions.py
index 6356bef1df..fddd6f30b6 100644
--- a/mayan/apps/mailer/permissions.py
+++ b/mayan/apps/mailer/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('mailing', _('Mailing'))
 
diff --git a/mayan/apps/mailer/queues.py b/mayan/apps/mailer/queues.py
index 1eb461cfd9..749c3b3b84 100644
--- a/mayan/apps/mailer/queues.py
+++ b/mayan/apps/mailer/queues.py
@@ -2,12 +2,12 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from task_manager.classes import CeleryQueue
+from mayan.apps.task_manager.classes import CeleryQueue
 
 queue_mailing = CeleryQueue(
     name='mailing', label=_('Mailing')
 )
 queue_mailing.add_task_type(
-    name='mailer.tasks.task_send_document',
+    name='mayan.apps.mailer.tasks.task_send_document',
     label=_('Send document')
 )
diff --git a/mayan/apps/mailer/settings.py b/mayan/apps/mailer/settings.py
index 6ba4fb5f97..eb949686fa 100644
--- a/mayan/apps/mailer/settings.py
+++ b/mayan/apps/mailer/settings.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from smart_settings import Namespace
+from mayan.apps.smart_settings import Namespace
 
 from .literals import (
     DEFAULT_DOCUMENT_BODY_TEMPLATE, DEFAULT_LINK_BODY_TEMPLATE
diff --git a/mayan/apps/mailer/tests/literals.py b/mayan/apps/mailer/tests/literals.py
index b61fc6103a..4358eec279 100644
--- a/mayan/apps/mailer/tests/literals.py
+++ b/mayan/apps/mailer/tests/literals.py
@@ -14,5 +14,5 @@ TEST_RECIPIENTS_MULTIPLE_MIXED = 'test@example.com,test2@example.com;test2@examp
 TEST_RECIPIENTS_MULTIPLE_MIXED_RESULT = [
     'test@example.com', 'test2@example.com', 'test2@example.com'
 ]
-TEST_USER_MAILER_BACKEND_PATH = 'mailer.tests.mailers.TestBackend'
+TEST_USER_MAILER_BACKEND_PATH = 'mayan.apps.mailer.tests.mailers.TestBackend'
 TEST_USER_MAILER_LABEL = 'test user mailer label'
diff --git a/mayan/apps/mailer/tests/test_models.py b/mayan/apps/mailer/tests/test_models.py
index 56fa8ef9f6..62c0d20671 100644
--- a/mayan/apps/mailer/tests/test_models.py
+++ b/mayan/apps/mailer/tests/test_models.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.core import mail
 
-from documents.tests.test_models import GenericDocumentTestCase
+from mayan.apps.documents.tests.test_models import GenericDocumentTestCase
 
 from .literals import (
     TEST_BODY_HTML, TEST_EMAIL_ADDRESS, TEST_RECIPIENTS_MULTIPLE_COMMA,
diff --git a/mayan/apps/mailer/tests/test_views.py b/mayan/apps/mailer/tests/test_views.py
index 9bd4dd8ce8..129c3f412c 100644
--- a/mayan/apps/mailer/tests/test_views.py
+++ b/mayan/apps/mailer/tests/test_views.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.core import mail
 
-from documents.tests import GenericDocumentViewTestCase
+from mayan.apps.documents.tests import GenericDocumentViewTestCase
 
 from ..models import UserMailer
 from ..permissions import (
diff --git a/mayan/apps/mailer/views.py b/mayan/apps/mailer/views.py
index 1df011511a..cedd240eae 100644
--- a/mayan/apps/mailer/views.py
+++ b/mayan/apps/mailer/views.py
@@ -6,13 +6,13 @@ from django.template import RequestContext
 from django.urls import reverse, reverse_lazy
 from django.utils.translation import ungettext, ugettext_lazy as _
 
-from acls.models import AccessControlList
-from common.generics import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.generics import (
     FormView, MultipleObjectFormActionView, SingleObjectDeleteView,
     SingleObjectDynamicFormCreateView, SingleObjectDynamicFormEditView,
     SingleObjectListView
 )
-from documents.models import Document
+from mayan.apps.documents.models import Document
 
 from .classes import MailerBackend
 from .forms import (
diff --git a/mayan/apps/mayan_statistics/__init__.py b/mayan/apps/mayan_statistics/__init__.py
index 23d1ac4719..a12a494596 100644
--- a/mayan/apps/mayan_statistics/__init__.py
+++ b/mayan/apps/mayan_statistics/__init__.py
@@ -2,4 +2,4 @@ from __future__ import unicode_literals
 
 from .classes import StatisticLineChart, StatisticNamespace  # NOQA
 
-default_app_config = 'mayan_statistics.apps.StatisticsApp'
+default_app_config = 'mayan.apps.mayan_statistics.apps.StatisticsApp'
diff --git a/mayan/apps/mayan_statistics/apps.py b/mayan/apps/mayan_statistics/apps.py
index 59aba2b30a..564bc1e593 100644
--- a/mayan/apps/mayan_statistics/apps.py
+++ b/mayan/apps/mayan_statistics/apps.py
@@ -4,10 +4,9 @@ from kombu import Exchange, Queue
 
 from django.utils.translation import ugettext_lazy as _
 
+from mayan.apps.common import MayanAppConfig, menu_object, menu_secondary, menu_tools
+from mayan.apps.navigation import SourceColumn
 from mayan.celery import app
-from common import MayanAppConfig, menu_object, menu_secondary, menu_tools
-
-from navigation import SourceColumn
 
 from .classes import StatisticLineChart, StatisticNamespace
 from .links import (
@@ -21,8 +20,9 @@ from .tasks import task_execute_statistic  # NOQA - Force registration of task
 
 class StatisticsApp(MayanAppConfig):
     app_namespace = 'statistics'
+    app_url = 'statistics'
     has_tests = True
-    name = 'mayan_statistics'
+    name = 'mayan.apps.mayan_statistics'
     verbose_name = _('Statistics')
 
     def ready(self):
@@ -47,7 +47,7 @@ class StatisticsApp(MayanAppConfig):
 
         app.conf.CELERY_ROUTES.update(
             {
-                'mayan_statistics.tasks.task_execute_statistic': {
+                'mayan.apps.mayan_statistics.tasks.task_execute_statistic': {
                     'queue': 'statistics'
                 },
             }
diff --git a/mayan/apps/mayan_statistics/icons.py b/mayan/apps/mayan_statistics/icons.py
index 9c0237384d..162dac3e6d 100644
--- a/mayan/apps/mayan_statistics/icons.py
+++ b/mayan/apps/mayan_statistics/icons.py
@@ -1,5 +1,5 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_statistics = Icon(driver_name='fontawesome', symbol='sort-numeric-up')
diff --git a/mayan/apps/mayan_statistics/licenses.py b/mayan/apps/mayan_statistics/licenses.py
index a7cc3ad7d4..d06fe7d6cb 100644
--- a/mayan/apps/mayan_statistics/licenses.py
+++ b/mayan/apps/mayan_statistics/licenses.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 
-from common.classes import Package
+from mayan.apps.common.classes import Package
 
 Package(label='Chart.js', license_text='''
 Copyright (c) 2013-2015 Nick Downie
diff --git a/mayan/apps/mayan_statistics/links.py b/mayan/apps/mayan_statistics/links.py
index 2b9b678729..76a7e70e56 100644
--- a/mayan/apps/mayan_statistics/links.py
+++ b/mayan/apps/mayan_statistics/links.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import icon_statistics
 from .permissions import permission_statistics_view
diff --git a/mayan/apps/mayan_statistics/permissions.py b/mayan/apps/mayan_statistics/permissions.py
index a87d3ba6f3..6cd42d3361 100644
--- a/mayan/apps/mayan_statistics/permissions.py
+++ b/mayan/apps/mayan_statistics/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('statistics', _('Statistics'))
 
diff --git a/mayan/apps/mayan_statistics/queues.py b/mayan/apps/mayan_statistics/queues.py
index 0bc0267473..f7a33a07ee 100644
--- a/mayan/apps/mayan_statistics/queues.py
+++ b/mayan/apps/mayan_statistics/queues.py
@@ -2,13 +2,13 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from task_manager.classes import CeleryQueue
+from mayan.apps.task_manager.classes import CeleryQueue
 
 queue_statistics = CeleryQueue(
     name='statistics', label=_('Statistics'), transient=True
 )
 
 queue_statistics.add_task_type(
-    name='mayan_statistics.tasks.task_execute_statistic',
+    name='mayan.apps.mayan_statistics.tasks.task_execute_statistic',
     label=_('Execute statistic')
 )
diff --git a/mayan/apps/mayan_statistics/tests/test_views.py b/mayan/apps/mayan_statistics/tests/test_views.py
index 6bff2405b3..6f673f6493 100644
--- a/mayan/apps/mayan_statistics/tests/test_views.py
+++ b/mayan/apps/mayan_statistics/tests/test_views.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 
-from common.tests import GenericViewTestCase
+from mayan.apps.common.tests import GenericViewTestCase
 
 from ..classes import Statistic
 from ..permissions import permission_statistics_view
diff --git a/mayan/apps/mayan_statistics/views.py b/mayan/apps/mayan_statistics/views.py
index 583ca1bacf..1f8b3eae28 100644
--- a/mayan/apps/mayan_statistics/views.py
+++ b/mayan/apps/mayan_statistics/views.py
@@ -5,7 +5,7 @@ from django.http import Http404
 from django.urls import reverse
 from django.utils.translation import ugettext_lazy as _
 
-from common.generics import ConfirmView, SimpleView, SingleObjectListView
+from mayan.apps.common.generics import ConfirmView, SimpleView, SingleObjectListView
 
 from .classes import Statistic, StatisticNamespace
 from .permissions import permission_statistics_view
diff --git a/mayan/apps/metadata/__init__.py b/mayan/apps/metadata/__init__.py
index 4d087a736e..1c5fa25f71 100644
--- a/mayan/apps/metadata/__init__.py
+++ b/mayan/apps/metadata/__init__.py
@@ -2,4 +2,4 @@ from __future__ import unicode_literals
 
 from .classes import MetadataLookup  # NOQA
 
-default_app_config = 'metadata.apps.MetadataApp'
+default_app_config = 'mayan.apps.metadata.apps.MetadataApp'
diff --git a/mayan/apps/metadata/api_views.py b/mayan/apps/metadata/api_views.py
index 89a6a2923e..ae9a2ab114 100644
--- a/mayan/apps/metadata/api_views.py
+++ b/mayan/apps/metadata/api_views.py
@@ -4,13 +4,13 @@ from django.shortcuts import get_object_or_404
 
 from rest_framework import generics
 
-from acls.models import AccessControlList
-from documents.models import Document, DocumentType
-from documents.permissions import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.documents.models import Document, DocumentType
+from mayan.apps.documents.permissions import (
     permission_document_type_view, permission_document_type_edit
 )
-from rest_api.filters import MayanObjectPermissionsFilter
-from rest_api.permissions import MayanPermission
+from mayan.apps.rest_api.filters import MayanObjectPermissionsFilter
+from mayan.apps.rest_api.permissions import MayanPermission
 
 from .models import MetadataType
 from .permissions import (
diff --git a/mayan/apps/metadata/apps.py b/mayan/apps/metadata/apps.py
index e8ca1e1405..097a6469fe 100644
--- a/mayan/apps/metadata/apps.py
+++ b/mayan/apps/metadata/apps.py
@@ -8,24 +8,24 @@ from django.apps import apps
 from django.db.models.signals import post_delete, post_save
 from django.utils.translation import ugettext_lazy as _
 
-from acls import ModelPermission
-from acls.links import link_acl_list
-from acls.permissions import permission_acl_edit, permission_acl_view
-from common import (
+from mayan.apps.acls import ModelPermission
+from mayan.apps.acls.links import link_acl_list
+from mayan.apps.acls.permissions import permission_acl_edit, permission_acl_view
+from mayan.apps.common import (
     MayanAppConfig, menu_facet, menu_multi_item, menu_object, menu_secondary,
     menu_setup, menu_sidebar
 )
-from common.classes import ModelAttribute, ModelField
-from common.widgets import TwoStateWidget
-from documents.search import document_page_search, document_search
-from documents.signals import post_document_type_change
-from events import ModelEventType
-from events.links import (
+from mayan.apps.common.classes import ModelAttribute, ModelField
+from mayan.apps.common.widgets import TwoStateWidget
+from mayan.apps.documents.search import document_page_search, document_search
+from mayan.apps.documents.signals import post_document_type_change
+from mayan.apps.events import ModelEventType
+from mayan.apps.events.links import (
     link_events_for_object, link_object_event_types_user_subcriptions_list,
 )
-from events.permissions import permission_events_view
+from mayan.apps.events.permissions import permission_events_view
 from mayan.celery import app
-from navigation import SourceColumn
+from mayan.apps.navigation import SourceColumn
 
 from .classes import DocumentMetadataHelper
 from .events import (
@@ -61,9 +61,11 @@ logger = logging.getLogger(__name__)
 
 
 class MetadataApp(MayanAppConfig):
+    app_namespace = 'metadata'
+    app_url = 'metadata'
     has_rest_api = True
     has_tests = True
-    name = 'metadata'
+    name = 'mayan.apps.metadata'
     verbose_name = _('Metadata')
 
     def ready(self):
@@ -175,10 +177,10 @@ class MetadataApp(MayanAppConfig):
 
         app.conf.CELERY_ROUTES.update(
             {
-                'metadata.tasks.task_remove_metadata_type': {
+                'mayan.apps.metadata.tasks.task_remove_metadata_type': {
                     'queue': 'metadata'
                 },
-                'metadata.tasks.task_add_required_metadata_type': {
+                'mayan.apps.metadata.tasks.task_add_required_metadata_type': {
                     'queue': 'metadata'
                 },
             }
diff --git a/mayan/apps/metadata/classes.py b/mayan/apps/metadata/classes.py
index d4a5128b0b..bbd15b89b5 100644
--- a/mayan/apps/metadata/classes.py
+++ b/mayan/apps/metadata/classes.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 
-from common.classes import PropertyHelper
+from mayan.apps.common.classes import PropertyHelper
 
 
 class DocumentMetadataHelper(PropertyHelper):
diff --git a/mayan/apps/metadata/events.py b/mayan/apps/metadata/events.py
index 85e9a77799..769eb07119 100644
--- a/mayan/apps/metadata/events.py
+++ b/mayan/apps/metadata/events.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from events import EventTypeNamespace
+from mayan.apps.events import EventTypeNamespace
 
 namespace = EventTypeNamespace(name='metadata', label=_('Metadata'))
 
diff --git a/mayan/apps/metadata/handlers.py b/mayan/apps/metadata/handlers.py
index 10ba2fac90..f1e0c0cf65 100644
--- a/mayan/apps/metadata/handlers.py
+++ b/mayan/apps/metadata/handlers.py
@@ -4,7 +4,7 @@ from django.apps import apps
 
 import logging
 
-from document_indexing.tasks import task_index_document
+from mayan.apps.document_indexing.tasks import task_index_document
 
 from .tasks import task_add_required_metadata_type, task_remove_metadata_type
 
diff --git a/mayan/apps/metadata/icons.py b/mayan/apps/metadata/icons.py
index 0b6f02ba09..bd251472b0 100644
--- a/mayan/apps/metadata/icons.py
+++ b/mayan/apps/metadata/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_document_metadata_add = Icon(
     driver_name='fontawesome', symbol='plus'
diff --git a/mayan/apps/metadata/links.py b/mayan/apps/metadata/links.py
index edea2b4950..96d1e78847 100644
--- a/mayan/apps/metadata/links.py
+++ b/mayan/apps/metadata/links.py
@@ -2,8 +2,8 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from documents.permissions import permission_document_type_edit
-from navigation import Link
+from mayan.apps.documents.permissions import permission_document_type_edit
+from mayan.apps.navigation import Link
 
 from .icons import (
     icon_document_metadata_add, icon_metadata_view, icon_metadata_type_create
diff --git a/mayan/apps/metadata/models.py b/mayan/apps/metadata/models.py
index 5ef095dcca..5ecb53e55e 100644
--- a/mayan/apps/metadata/models.py
+++ b/mayan/apps/metadata/models.py
@@ -11,7 +11,7 @@ from django.utils.module_loading import import_string
 from django.utils.six import PY2
 from django.utils.translation import ugettext_lazy as _
 
-from documents.models import Document, DocumentType
+from mayan.apps.documents.models import Document, DocumentType
 
 from .classes import MetadataLookup
 from .events import (
diff --git a/mayan/apps/metadata/permissions.py b/mayan/apps/metadata/permissions.py
index 90b74710c7..d39128ed60 100644
--- a/mayan/apps/metadata/permissions.py
+++ b/mayan/apps/metadata/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('metadata', _('Metadata'))
 permission_metadata_document_edit = namespace.add_permission(
diff --git a/mayan/apps/metadata/queues.py b/mayan/apps/metadata/queues.py
index 94e714752b..16775657fb 100644
--- a/mayan/apps/metadata/queues.py
+++ b/mayan/apps/metadata/queues.py
@@ -2,16 +2,16 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from task_manager.classes import CeleryQueue
+from mayan.apps.task_manager.classes import CeleryQueue
 
 queue_metadata = CeleryQueue(
     name='metadata', label=_('Metadata')
 )
 queue_metadata.add_task_type(
-    name='metadata.tasks.task_remove_metadata_type',
+    name='mayan.apps.metadata.tasks.task_remove_metadata_type',
     label=_('Remove metadata type')
 )
 queue_metadata.add_task_type(
-    name='metadata.tasks.task_add_required_metadata_type',
+    name='mayan.apps.metadata.tasks.task_add_required_metadata_type',
     label=_('Add required metadata type')
 )
diff --git a/mayan/apps/metadata/search.py b/mayan/apps/metadata/search.py
index 685b4caae3..ba11ff1ca2 100644
--- a/mayan/apps/metadata/search.py
+++ b/mayan/apps/metadata/search.py
@@ -2,14 +2,14 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from dynamic_search.classes import SearchModel
+from mayan.apps.dynamic_search.classes import SearchModel
 
 from .permissions import permission_metadata_type_view
 
 metadata_type_search = SearchModel(
     app_label='metadata', model_name='MetadataType',
     permission=permission_metadata_type_view,
-    serializer_string='metadata.serializers.MetadataTypeSerializer'
+    serializer_string='mayan.apps.metadata.serializers.MetadataTypeSerializer'
 )
 
 metadata_type_search.add_model_field(
diff --git a/mayan/apps/metadata/serializers.py b/mayan/apps/metadata/serializers.py
index 0afcf95540..c611e55556 100644
--- a/mayan/apps/metadata/serializers.py
+++ b/mayan/apps/metadata/serializers.py
@@ -7,7 +7,9 @@ from rest_framework import serializers
 from rest_framework.exceptions import ValidationError
 from rest_framework.reverse import reverse
 
-from documents.serializers import DocumentSerializer, DocumentTypeSerializer
+from mayan.apps.documents.serializers import (
+    DocumentSerializer, DocumentTypeSerializer
+)
 
 from .models import DocumentMetadata, DocumentTypeMetadataType, MetadataType
 
diff --git a/mayan/apps/metadata/settings.py b/mayan/apps/metadata/settings.py
index 070b64737b..bb40bca391 100644
--- a/mayan/apps/metadata/settings.py
+++ b/mayan/apps/metadata/settings.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from smart_settings import Namespace
+from mayan.apps.smart_settings import Namespace
 
 from .parsers import MetadataParser
 from .validators import MetadataValidator
diff --git a/mayan/apps/metadata/tests/literals.py b/mayan/apps/metadata/tests/literals.py
index feff034f88..678cfb9d87 100644
--- a/mayan/apps/metadata/tests/literals.py
+++ b/mayan/apps/metadata/tests/literals.py
@@ -2,8 +2,8 @@
 from __future__ import unicode_literals
 
 TEST_CORRECT_LOOKUP_VALUE = '1'
-TEST_DATE_PARSER = 'metadata.parsers.DateParser'
-TEST_DATE_VALIDATOR = 'metadata.validators.DateValidator'
+TEST_DATE_PARSER = 'mayan.apps.metadata.parsers.DateParser'
+TEST_DATE_VALIDATOR = 'mayan.apps.metadata.validators.DateValidator'
 TEST_DOCUMENT_METADATA_VALUE_2 = 'test document metadata value 2'
 TEST_DEFAULT_VALUE = 'test'
 TEST_INCORRECT_LOOKUP_VALUE = '0'
diff --git a/mayan/apps/metadata/tests/test_api.py b/mayan/apps/metadata/tests/test_api.py
index 1bca004022..88470b1871 100644
--- a/mayan/apps/metadata/tests/test_api.py
+++ b/mayan/apps/metadata/tests/test_api.py
@@ -4,12 +4,12 @@ from django.test import override_settings
 
 from rest_framework import status
 
-from documents.models import DocumentType
-from documents.permissions import (
+from mayan.apps.documents.models import DocumentType
+from mayan.apps.documents.permissions import (
     permission_document_type_edit, permission_document_type_view
 )
-from documents.tests import TEST_DOCUMENT_TYPE_LABEL, TEST_SMALL_DOCUMENT_PATH
-from rest_api.tests import BaseAPITestCase
+from mayan.apps.documents.tests import TEST_DOCUMENT_TYPE_LABEL, TEST_SMALL_DOCUMENT_PATH
+from mayan.apps.rest_api.tests import BaseAPITestCase
 
 from ..models import DocumentTypeMetadataType, MetadataType
 from ..permissions import (
diff --git a/mayan/apps/metadata/tests/test_events.py b/mayan/apps/metadata/tests/test_events.py
index c1554ffd12..6c1611433a 100644
--- a/mayan/apps/metadata/tests/test_events.py
+++ b/mayan/apps/metadata/tests/test_events.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from actstream.models import Action
 
-from documents.tests import GenericDocumentViewTestCase
+from mayan.apps.documents.tests import GenericDocumentViewTestCase
 
 from ..events import (
     event_metadata_type_created, event_metadata_type_edited
diff --git a/mayan/apps/metadata/tests/test_models.py b/mayan/apps/metadata/tests/test_models.py
index 9dc63ab30d..61d2802a3c 100644
--- a/mayan/apps/metadata/tests/test_models.py
+++ b/mayan/apps/metadata/tests/test_models.py
@@ -4,9 +4,9 @@ from __future__ import unicode_literals
 from django.core.exceptions import ValidationError
 from django.test import override_settings
 
-from common.tests import BaseTestCase
-from documents.models import DocumentType
-from documents.tests import DocumentTestMixin, TEST_DOCUMENT_TYPE_2_LABEL
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.documents.models import DocumentType
+from mayan.apps.documents.tests import DocumentTestMixin, TEST_DOCUMENT_TYPE_2_LABEL
 
 from ..models import DocumentMetadata
 
diff --git a/mayan/apps/metadata/tests/test_views.py b/mayan/apps/metadata/tests/test_views.py
index edff891e06..7976d42972 100644
--- a/mayan/apps/metadata/tests/test_views.py
+++ b/mayan/apps/metadata/tests/test_views.py
@@ -4,13 +4,13 @@ import logging
 
 from django.core.files.base import File
 
-from common.tests import GenericViewTestCase
-from documents.models import DocumentType
-from documents.permissions import (
+from mayan.apps.common.tests import GenericViewTestCase
+from mayan.apps.documents.models import DocumentType
+from mayan.apps.documents.permissions import (
     permission_document_properties_edit, permission_document_type_edit,
     permission_document_view
 )
-from documents.tests import (
+from mayan.apps.documents.tests import (
     DocumentTestMixin, GenericDocumentViewTestCase,
     TEST_DOCUMENT_TYPE_2_LABEL, TEST_SMALL_DOCUMENT_PATH,
 )
diff --git a/mayan/apps/metadata/tests/test_wizard_steps.py b/mayan/apps/metadata/tests/test_wizard_steps.py
index 0b7fd62dd4..95dc77ea01 100644
--- a/mayan/apps/metadata/tests/test_wizard_steps.py
+++ b/mayan/apps/metadata/tests/test_wizard_steps.py
@@ -4,13 +4,13 @@ from furl import furl
 
 from django.urls import reverse
 
-from documents.models import Document
-from documents.permissions import permission_document_create
-from documents.tests import (
+from mayan.apps.documents.models import Document
+from mayan.apps.documents.permissions import permission_document_create
+from mayan.apps.documents.tests import (
     GenericDocumentViewTestCase, TEST_SMALL_DOCUMENT_PATH,
 )
-from sources.models import WebFormSource
-from sources.tests.literals import (
+from mayan.apps.sources.models import WebFormSource
+from mayan.apps.sources.tests.literals import (
     TEST_SOURCE_LABEL, TEST_SOURCE_UNCOMPRESS_N,
 )
 
diff --git a/mayan/apps/metadata/views.py b/mayan/apps/metadata/views.py
index f88ebdfe1f..a110dc7bdc 100644
--- a/mayan/apps/metadata/views.py
+++ b/mayan/apps/metadata/views.py
@@ -11,13 +11,13 @@ from django.utils.encoding import force_text
 from django.utils.http import urlencode
 from django.utils.translation import ugettext_lazy as _, ungettext
 
-from acls.models import AccessControlList
-from common.generics import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.generics import (
     FormView, MultipleObjectFormActionView, SingleObjectCreateView,
     SingleObjectDeleteView, SingleObjectEditView, SingleObjectListView
 )
-from documents.models import Document, DocumentType
-from documents.permissions import (
+from mayan.apps.documents.models import Document, DocumentType
+from mayan.apps.documents.permissions import (
     permission_document_type_edit
 )
 
diff --git a/mayan/apps/metadata/wizard_steps.py b/mayan/apps/metadata/wizard_steps.py
index e8feedee85..0d76500fb0 100644
--- a/mayan/apps/metadata/wizard_steps.py
+++ b/mayan/apps/metadata/wizard_steps.py
@@ -2,12 +2,12 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from metadata.api import (
+from mayan.apps.metadata.api import (
     decode_metadata_from_querystring, save_metadata_list
 )
-from metadata.forms import DocumentMetadataFormSet
+from mayan.apps.metadata.forms import DocumentMetadataFormSet
 
-from sources.wizards import WizardStep, WizardStepDocumentType
+from mayan.apps.sources.wizards import WizardStep, WizardStepDocumentType
 
 
 class WizardStepMetadata(WizardStep):
diff --git a/mayan/apps/mimetype/__init__.py b/mayan/apps/mimetype/__init__.py
index 9341e339ed..2b39407f7e 100644
--- a/mayan/apps/mimetype/__init__.py
+++ b/mayan/apps/mimetype/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'mimetype.apps.MIMETypesApp'
+default_app_config = 'mayan.apps.mimetype.apps.MIMETypesApp'
diff --git a/mayan/apps/mimetype/apps.py b/mayan/apps/mimetype/apps.py
index ebbbf4b39d..2caee7ecb2 100644
--- a/mayan/apps/mimetype/apps.py
+++ b/mayan/apps/mimetype/apps.py
@@ -2,13 +2,13 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from common import MayanAppConfig
+from mayan.apps.common import MayanAppConfig
 
 from .licenses import *  # NOQA
 
 
 class MIMETypesApp(MayanAppConfig):
-    name = 'mimetype'
+    name = 'mayan.apps.mimetype'
     has_tests = True
     verbose_name = _('MIME types')
 
diff --git a/mayan/apps/mimetype/licenses.py b/mayan/apps/mimetype/licenses.py
index 2574cb4d4e..7e21833710 100644
--- a/mayan/apps/mimetype/licenses.py
+++ b/mayan/apps/mimetype/licenses.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 
-from common.classes import Package
+from mayan.apps.common.classes import Package
 
 Package(label='python-magic', license_text='''
 The MIT License (MIT)
diff --git a/mayan/apps/mimetype/settings.py b/mayan/apps/mimetype/settings.py
index db312dc71d..1c594d8deb 100644
--- a/mayan/apps/mimetype/settings.py
+++ b/mayan/apps/mimetype/settings.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from smart_settings import Namespace
+from mayan.apps.smart_settings import Namespace
 
 namespace = Namespace(label=_('MIME type'), name='mimetype')
 
diff --git a/mayan/apps/mimetype/tests/test_functions.py b/mayan/apps/mimetype/tests/test_functions.py
index 301d08465c..b044bcc70f 100644
--- a/mayan/apps/mimetype/tests/test_functions.py
+++ b/mayan/apps/mimetype/tests/test_functions.py
@@ -4,10 +4,10 @@ import resource
 
 from django.test import override_settings, tag
 
-from common.tests import BaseTestCase
-from common.tests.literals import EXCLUDE_TEST_TAG
-from documents.models import Document
-from documents.tests import DocumentTestMixin, TEST_DOCUMENT_FILENAME
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.common.tests.literals import EXCLUDE_TEST_TAG
+from mayan.apps.documents.models import Document
+from mayan.apps.documents.tests import DocumentTestMixin, TEST_DOCUMENT_FILENAME
 
 # This constant may need tweaking as document upload code path changes.
 # The value is targeted at making the document upload process fail exactly
diff --git a/mayan/apps/mirroring/__init__.py b/mayan/apps/mirroring/__init__.py
index f4cda50ec7..415c39ebb8 100644
--- a/mayan/apps/mirroring/__init__.py
+++ b/mayan/apps/mirroring/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'mirroring.apps.MirroringApp'
+default_app_config = 'mayan.apps.mirroring.apps.MirroringApp'
diff --git a/mayan/apps/mirroring/apps.py b/mayan/apps/mirroring/apps.py
index 5dc800661a..e0594bec7b 100644
--- a/mayan/apps/mirroring/apps.py
+++ b/mayan/apps/mirroring/apps.py
@@ -4,14 +4,14 @@ from django.apps import apps
 from django.db.models.signals import pre_delete, pre_save
 from django.utils.translation import ugettext_lazy as _
 
-from common.apps import MayanAppConfig
+from mayan.apps.common.apps import MayanAppConfig
 
 from .handlers import handler_document_cache_delete, handler_node_cache_delete
 
 
 class MirroringApp(MayanAppConfig):
     has_tests = True
-    name = 'mirroring'
+    name = 'mayan.apps.mirroring'
     verbose_name = _('Mirroring')
 
     def ready(self):
diff --git a/mayan/apps/mirroring/filesystems.py b/mayan/apps/mirroring/filesystems.py
index 0a42e788ab..5041bc1363 100644
--- a/mayan/apps/mirroring/filesystems.py
+++ b/mayan/apps/mirroring/filesystems.py
@@ -11,8 +11,8 @@ from fuse import FuseOSError, Operations
 from django.core.exceptions import MultipleObjectsReturned
 from django.db.models import Count, F, Func, Transform, Value
 
-from document_indexing.models import Index, IndexInstanceNode
-from documents.models import Document
+from mayan.apps.document_indexing.models import Index, IndexInstanceNode
+from mayan.apps.documents.models import Document
 
 from .literals import (
     MAX_FILE_DESCRIPTOR, MIN_FILE_DESCRIPTOR, FILE_MODE, DIRECTORY_MODE
diff --git a/mayan/apps/mirroring/settings.py b/mayan/apps/mirroring/settings.py
index 38cdad4b1d..2dfb4d6ee0 100644
--- a/mayan/apps/mirroring/settings.py
+++ b/mayan/apps/mirroring/settings.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from smart_settings import Namespace
+from mayan.apps.smart_settings import Namespace
 
 namespace = Namespace(name='mirroring', label=_('Mirroring'))
 
diff --git a/mayan/apps/mirroring/tests/test_caches.py b/mayan/apps/mirroring/tests/test_caches.py
index 7d36d04fb4..f739b6301f 100644
--- a/mayan/apps/mirroring/tests/test_caches.py
+++ b/mayan/apps/mirroring/tests/test_caches.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 import warnings
 
-from common.tests import BaseTestCase
+from mayan.apps.common.tests import BaseTestCase
 
 from ..caches import IndexFilesystemCache
 
diff --git a/mayan/apps/mirroring/tests/test_filesystems.py b/mayan/apps/mirroring/tests/test_filesystems.py
index 1ad00c59db..a4f4676256 100644
--- a/mayan/apps/mirroring/tests/test_filesystems.py
+++ b/mayan/apps/mirroring/tests/test_filesystems.py
@@ -6,11 +6,10 @@ from fuse import FuseOSError
 
 from django.test import override_settings
 
-from common.tests import BaseTestCase
-from documents.models import Document
-from documents.tests import DocumentTestMixin
-
-from document_indexing.tests import DocumentIndexingTestMixin
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.documents.models import Document
+from mayan.apps.documents.tests import DocumentTestMixin
+from mayan.apps.document_indexing.tests import DocumentIndexingTestMixin
 
 from ..filesystems import IndexFilesystem
 
diff --git a/mayan/apps/motd/__init__.py b/mayan/apps/motd/__init__.py
index 71e348ee1d..5ca9dedd3e 100644
--- a/mayan/apps/motd/__init__.py
+++ b/mayan/apps/motd/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'motd.apps.MOTDApp'
+default_app_config = 'mayan.apps.motd.apps.MOTDApp'
diff --git a/mayan/apps/motd/api_views.py b/mayan/apps/motd/api_views.py
index a20d1f60d8..0dba8b92a4 100644
--- a/mayan/apps/motd/api_views.py
+++ b/mayan/apps/motd/api_views.py
@@ -2,8 +2,8 @@ from __future__ import absolute_import, unicode_literals
 
 from rest_framework import generics
 
-from rest_api.filters import MayanObjectPermissionsFilter
-from rest_api.permissions import MayanPermission
+from mayan.apps.rest_api.filters import MayanObjectPermissionsFilter
+from mayan.apps.rest_api.permissions import MayanPermission
 
 from .models import Message
 from .permissions import (
diff --git a/mayan/apps/motd/apps.py b/mayan/apps/motd/apps.py
index 3cd3dc01bb..8d65758b96 100644
--- a/mayan/apps/motd/apps.py
+++ b/mayan/apps/motd/apps.py
@@ -4,11 +4,11 @@ import logging
 
 from django.utils.translation import ugettext_lazy as _
 
-from acls import ModelPermission
-from acls.links import link_acl_list
-from acls.permissions import permission_acl_edit, permission_acl_view
-from common import MayanAppConfig, menu_object, menu_secondary, menu_setup
-from navigation import SourceColumn
+from mayan.apps.acls import ModelPermission
+from mayan.apps.acls.links import link_acl_list
+from mayan.apps.acls.permissions import permission_acl_edit, permission_acl_view
+from mayan.apps.common import MayanAppConfig, menu_object, menu_secondary, menu_setup
+from mayan.apps.navigation import SourceColumn
 
 from .links import (
     link_message_create, link_message_delete, link_message_edit,
@@ -23,9 +23,11 @@ logger = logging.getLogger(__name__)
 
 
 class MOTDApp(MayanAppConfig):
+    app_namespace = 'motd'
+    app_url = 'messages'
     has_rest_api = True
     has_tests = True
-    name = 'motd'
+    name = 'mayan.apps.motd'
     verbose_name = _('Message of the day')
 
     def ready(self):
diff --git a/mayan/apps/motd/icons.py b/mayan/apps/motd/icons.py
index d2f870a142..4a1681c28d 100644
--- a/mayan/apps/motd/icons.py
+++ b/mayan/apps/motd/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_message_create = Icon(driver_name='fontawesome', symbol='plus')
 icon_message_list = Icon(driver_name='fontawesome', symbol='bullhorn')
diff --git a/mayan/apps/motd/links.py b/mayan/apps/motd/links.py
index 93429e3ba2..b0a8133baa 100644
--- a/mayan/apps/motd/links.py
+++ b/mayan/apps/motd/links.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link, get_cascade_condition
+from mayan.apps.navigation import Link, get_cascade_condition
 
 from .icons import icon_message_create, icon_message_list
 from .permissions import (
diff --git a/mayan/apps/motd/permissions.py b/mayan/apps/motd/permissions.py
index 61cc7e37c3..00b6e50611 100644
--- a/mayan/apps/motd/permissions.py
+++ b/mayan/apps/motd/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('motd', _('Message of the day'))
 
diff --git a/mayan/apps/motd/tests/test_api.py b/mayan/apps/motd/tests/test_api.py
index d1170aea36..683282b7e1 100644
--- a/mayan/apps/motd/tests/test_api.py
+++ b/mayan/apps/motd/tests/test_api.py
@@ -4,7 +4,7 @@ from django.test import override_settings
 
 from rest_framework import status
 
-from rest_api.tests import BaseAPITestCase
+from mayan.apps.rest_api.tests import BaseAPITestCase
 
 from ..models import Message
 from ..permissions import (
diff --git a/mayan/apps/motd/views.py b/mayan/apps/motd/views.py
index 35ed3784e1..7899db6bf8 100644
--- a/mayan/apps/motd/views.py
+++ b/mayan/apps/motd/views.py
@@ -6,7 +6,7 @@ from django.template import RequestContext
 from django.urls import reverse_lazy
 from django.utils.translation import ugettext_lazy as _
 
-from common.views import (
+from mayan.apps.common.views import (
     SingleObjectCreateView, SingleObjectDeleteView, SingleObjectEditView,
     SingleObjectListView
 )
diff --git a/mayan/apps/navigation/__init__.py b/mayan/apps/navigation/__init__.py
index 76eca37938..33181082de 100644
--- a/mayan/apps/navigation/__init__.py
+++ b/mayan/apps/navigation/__init__.py
@@ -3,4 +3,4 @@ from __future__ import unicode_literals
 from .classes import Link, Menu, SourceColumn  # NOQA
 from .utils import get_cascade_condition  # NOQA
 
-default_app_config = 'navigation.apps.NavigationApp'
+default_app_config = 'mayan.apps.navigation.apps.NavigationApp'
diff --git a/mayan/apps/navigation/apps.py b/mayan/apps/navigation/apps.py
index c7289ffb0b..f8b6af391b 100644
--- a/mayan/apps/navigation/apps.py
+++ b/mayan/apps/navigation/apps.py
@@ -2,10 +2,10 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from common.apps import MayanAppConfig
+from mayan.apps.common.apps import MayanAppConfig
 
 
 class NavigationApp(MayanAppConfig):
     has_tests = True
-    name = 'navigation'
+    name = 'mayan.apps.navigation'
     verbose_name = _('Navigation')
diff --git a/mayan/apps/navigation/classes.py b/mayan/apps/navigation/classes.py
index d035aee7e7..b9a77ab85e 100644
--- a/mayan/apps/navigation/classes.py
+++ b/mayan/apps/navigation/classes.py
@@ -15,8 +15,8 @@ from django.template.defaulttags import URLNode
 from django.urls import Resolver404, resolve
 from django.utils.encoding import force_str, force_text
 
-from common.utils import return_attrib
-from permissions import Permission
+from mayan.apps.common.utils import return_attrib
+from mayan.apps.permissions import Permission
 
 logger = logging.getLogger(__name__)
 
diff --git a/mayan/apps/navigation/tests/test_classes.py b/mayan/apps/navigation/tests/test_classes.py
index f6e13bd772..bd14e0c4d1 100644
--- a/mayan/apps/navigation/tests/test_classes.py
+++ b/mayan/apps/navigation/tests/test_classes.py
@@ -5,10 +5,10 @@ from django.urls import reverse
 
 from furl import furl
 
-from acls.models import AccessControlList
-from common.tests import GenericViewTestCase
-from common.tests.literals import TEST_VIEW_NAME
-from permissions import Permission, PermissionNamespace
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.tests import GenericViewTestCase
+from mayan.apps.common.tests.literals import TEST_VIEW_NAME
+from mayan.apps.permissions import Permission, PermissionNamespace
 
 from ..classes import Link, Menu
 
diff --git a/mayan/apps/navigation/utils.py b/mayan/apps/navigation/utils.py
index 7600d22ad8..0d67993041 100644
--- a/mayan/apps/navigation/utils.py
+++ b/mayan/apps/navigation/utils.py
@@ -3,7 +3,7 @@ from __future__ import absolute_import, unicode_literals
 from django.apps import apps
 from django.core.exceptions import PermissionDenied
 
-from permissions import Permission
+from mayan.apps.permissions import Permission
 
 
 def get_cascade_condition(app_label, model_name, object_permission, view_permission=None):
diff --git a/mayan/apps/ocr/__init__.py b/mayan/apps/ocr/__init__.py
index e54626bf2d..f54a4bdac7 100644
--- a/mayan/apps/ocr/__init__.py
+++ b/mayan/apps/ocr/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'ocr.apps.OCRApp'
+default_app_config = 'mayan.apps.ocr.apps.OCRApp'
diff --git a/mayan/apps/ocr/api_views.py b/mayan/apps/ocr/api_views.py
index 4bd74a3aa8..fe6d17e8db 100644
--- a/mayan/apps/ocr/api_views.py
+++ b/mayan/apps/ocr/api_views.py
@@ -5,8 +5,8 @@ from django.shortcuts import get_object_or_404
 from rest_framework import generics, status
 from rest_framework.response import Response
 
-from documents.models import Document, DocumentVersion
-from rest_api.permissions import MayanPermission
+from mayan.apps.documents.models import Document, DocumentVersion
+from mayan.apps.rest_api.permissions import MayanPermission
 
 from .models import DocumentPageOCRContent
 from .permissions import permission_ocr_content_view, permission_ocr_document
diff --git a/mayan/apps/ocr/apps.py b/mayan/apps/ocr/apps.py
index e1d21110b1..d0f7afd943 100644
--- a/mayan/apps/ocr/apps.py
+++ b/mayan/apps/ocr/apps.py
@@ -10,18 +10,18 @@ from django.db.models.signals import post_save
 from django.utils.timezone import now
 from django.utils.translation import ugettext_lazy as _
 
-from acls import ModelPermission
-from common import (
+from mayan.apps.acls import ModelPermission
+from mayan.apps.common import (
     MayanAppConfig, menu_facet, menu_multi_item, menu_object, menu_secondary,
     menu_tools
 )
-from common.classes import ModelField
-from common.settings import settings_db_sync_task_delay
-from documents.search import document_search, document_page_search
-from documents.signals import post_version_upload
-from documents.widgets import document_link
+from mayan.apps.common.classes import ModelField
+from mayan.apps.common.settings import settings_db_sync_task_delay
+from mayan.apps.documents.search import document_search, document_page_search
+from mayan.apps.documents.signals import post_version_upload
+from mayan.apps.documents.widgets import document_link
+from mayan.apps.navigation import SourceColumn
 from mayan.celery import app
-from navigation import SourceColumn
 
 from .events import event_ocr_document_version_submit
 from .handlers import (
@@ -67,9 +67,11 @@ def document_version_ocr_submit(self):
 
 
 class OCRApp(MayanAppConfig):
+    app_namespace = 'ocr'
+    app_url = 'ocr'
     has_rest_api = True
     has_tests = True
-    name = 'ocr'
+    name = 'mayan.apps.ocr'
     verbose_name = _('OCR')
 
     def ready(self):
@@ -138,7 +140,7 @@ class OCRApp(MayanAppConfig):
 
         app.conf.CELERY_ROUTES.update(
             {
-                'ocr.tasks.task_do_ocr': {
+                'mayan.apps.ocr.tasks.task_do_ocr': {
                     'queue': 'ocr'
                 },
             }
diff --git a/mayan/apps/ocr/classes.py b/mayan/apps/ocr/classes.py
index 337098bff2..487f5994a3 100644
--- a/mayan/apps/ocr/classes.py
+++ b/mayan/apps/ocr/classes.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 
-from converter import converter_class
+from mayan.apps.converter import converter_class
 
 
 class OCRBackendBase(object):
diff --git a/mayan/apps/ocr/events.py b/mayan/apps/ocr/events.py
index cae9d83ae3..a77827bb47 100644
--- a/mayan/apps/ocr/events.py
+++ b/mayan/apps/ocr/events.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from events import EventTypeNamespace
+from mayan.apps.events import EventTypeNamespace
 
 namespace = EventTypeNamespace(name='ocr', label=_('OCR'))
 
diff --git a/mayan/apps/ocr/forms.py b/mayan/apps/ocr/forms.py
index 9aef5501bf..7d1db5d942 100644
--- a/mayan/apps/ocr/forms.py
+++ b/mayan/apps/ocr/forms.py
@@ -6,8 +6,8 @@ from django.utils.html import conditional_escape
 from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext_lazy as _, ugettext
 
-from common.widgets import TextAreaDiv
-from documents.models import DocumentType
+from mayan.apps.common.widgets import TextAreaDiv
+from mayan.apps.documents.models import DocumentType
 
 from .models import DocumentPageOCRContent
 
diff --git a/mayan/apps/ocr/handlers.py b/mayan/apps/ocr/handlers.py
index 706e3f6f81..60cdfcd0c5 100644
--- a/mayan/apps/ocr/handlers.py
+++ b/mayan/apps/ocr/handlers.py
@@ -4,7 +4,7 @@ import logging
 
 from django.apps import apps
 
-from document_indexing.tasks import task_index_document
+from mayan.apps.document_indexing.tasks import task_index_document
 
 from .settings import setting_auto_ocr
 
diff --git a/mayan/apps/ocr/icons.py b/mayan/apps/ocr/icons.py
index 492148feef..2390e22658 100644
--- a/mayan/apps/ocr/icons.py
+++ b/mayan/apps/ocr/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_document_content = Icon(driver_name='fontawesome', symbol='font')
 icon_document_ocr_download = Icon(
diff --git a/mayan/apps/ocr/links.py b/mayan/apps/ocr/links.py
index 5ccfaf4c84..96de61322a 100644
--- a/mayan/apps/ocr/links.py
+++ b/mayan/apps/ocr/links.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import (
     icon_document_content, icon_document_ocr_download,
diff --git a/mayan/apps/ocr/managers.py b/mayan/apps/ocr/managers.py
index c6723e1926..d03b0dc071 100644
--- a/mayan/apps/ocr/managers.py
+++ b/mayan/apps/ocr/managers.py
@@ -8,9 +8,9 @@ from django.apps import apps
 from django.conf import settings
 from django.db import models
 
-from documents.storages import storage_documentimagecache
-from documents.literals import DOCUMENT_IMAGE_TASK_TIMEOUT
-from documents.tasks import task_generate_document_page_image
+from mayan.apps.documents.storages import storage_documentimagecache
+from mayan.apps.documents.literals import DOCUMENT_IMAGE_TASK_TIMEOUT
+from mayan.apps.documents.tasks import task_generate_document_page_image
 
 from .events import event_ocr_document_version_finish
 from .runtime import ocr_backend
diff --git a/mayan/apps/ocr/models.py b/mayan/apps/ocr/models.py
index 41b2a125b4..59f80b3e54 100644
--- a/mayan/apps/ocr/models.py
+++ b/mayan/apps/ocr/models.py
@@ -4,7 +4,7 @@ from django.db import models
 from django.utils.encoding import force_text, python_2_unicode_compatible
 from django.utils.translation import ugettext_lazy as _
 
-from documents.models import DocumentPage, DocumentType, DocumentVersion
+from mayan.apps.documents.models import DocumentPage, DocumentType, DocumentVersion
 
 from .managers import (
     DocumentPageOCRContentManager, DocumentTypeSettingsManager
diff --git a/mayan/apps/ocr/permissions.py b/mayan/apps/ocr/permissions.py
index 79e3ba75b6..669b932157 100644
--- a/mayan/apps/ocr/permissions.py
+++ b/mayan/apps/ocr/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('ocr', _('OCR'))
 
diff --git a/mayan/apps/ocr/queues.py b/mayan/apps/ocr/queues.py
index 92297a2524..537dae91c1 100644
--- a/mayan/apps/ocr/queues.py
+++ b/mayan/apps/ocr/queues.py
@@ -2,9 +2,9 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from task_manager.classes import CeleryQueue
+from mayan.apps.task_manager.classes import CeleryQueue
 
 queue_ocr = CeleryQueue(name='ocr', label=_('OCR'))
 queue_ocr.add_task_type(
-    name='ocr.tasks.task_do_ocr', label=_('Document version OCR')
+    name='mayan.apps.ocr.tasks.task_do_ocr', label=_('Document version OCR')
 )
diff --git a/mayan/apps/ocr/settings.py b/mayan/apps/ocr/settings.py
index 260f561078..19f6e6e5cd 100644
--- a/mayan/apps/ocr/settings.py
+++ b/mayan/apps/ocr/settings.py
@@ -2,12 +2,12 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from smart_settings import Namespace
+from mayan.apps.smart_settings import Namespace
 
 namespace = Namespace(name='ocr', label=_('OCR'))
 
 setting_ocr_backend = namespace.add_setting(
-    global_name='OCR_BACKEND', default='ocr.backends.pyocr.PyOCR',
+    global_name='OCR_BACKEND', default='mayan.apps.ocr.backends.pyocr.PyOCR',
     help_text=_('Full path to the backend to be used to do OCR.')
 )
 setting_ocr_backend_arguments = namespace.add_setting(
diff --git a/mayan/apps/ocr/tasks.py b/mayan/apps/ocr/tasks.py
index 87294e5925..77b340e3f5 100644
--- a/mayan/apps/ocr/tasks.py
+++ b/mayan/apps/ocr/tasks.py
@@ -5,8 +5,8 @@ import logging
 from django.apps import apps
 from django.db import OperationalError
 
-from lock_manager import LockError
-from lock_manager.runtime import locking_backend
+from mayan.apps.lock_manager import LockError
+from mayan.apps.lock_manager.runtime import locking_backend
 from mayan.celery import app
 
 from .literals import DO_OCR_RETRY_DELAY, LOCK_EXPIRE
diff --git a/mayan/apps/ocr/tests/test_api.py b/mayan/apps/ocr/tests/test_api.py
index c3aadceac3..a110272348 100644
--- a/mayan/apps/ocr/tests/test_api.py
+++ b/mayan/apps/ocr/tests/test_api.py
@@ -4,8 +4,8 @@ from django.test import override_settings
 
 from rest_framework import status
 
-from documents.tests import DocumentTestMixin
-from rest_api.tests import BaseAPITestCase
+from mayan.apps.documents.tests import DocumentTestMixin
+from mayan.apps.rest_api.tests import BaseAPITestCase
 
 from ..permissions import (
     permission_ocr_document, permission_ocr_content_view,
diff --git a/mayan/apps/ocr/tests/test_events.py b/mayan/apps/ocr/tests/test_events.py
index c255fc843c..4ea851b18d 100644
--- a/mayan/apps/ocr/tests/test_events.py
+++ b/mayan/apps/ocr/tests/test_events.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from actstream.models import Action
 
-from documents.tests.test_models import GenericDocumentTestCase
+from mayan.apps.documents.tests.test_models import GenericDocumentTestCase
 
 from ..events import (
     event_ocr_document_version_submit, event_ocr_document_version_finish
diff --git a/mayan/apps/ocr/tests/test_indexing.py b/mayan/apps/ocr/tests/test_indexing.py
index 79a9ad3bfb..b9f619971c 100644
--- a/mayan/apps/ocr/tests/test_indexing.py
+++ b/mayan/apps/ocr/tests/test_indexing.py
@@ -2,10 +2,10 @@ from __future__ import unicode_literals
 
 from django.test import override_settings
 
-from common.tests import BaseTestCase
-from documents.tests import DocumentTestMixin
-from document_indexing.models import Index, IndexInstanceNode
-from document_indexing.tests.literals import TEST_INDEX_LABEL
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.documents.tests import DocumentTestMixin
+from mayan.apps.document_indexing.models import Index, IndexInstanceNode
+from mayan.apps.document_indexing.tests.literals import TEST_INDEX_LABEL
 
 from .literals import (
     TEST_OCR_INDEX_NODE_TEMPLATE, TEST_OCR_INDEX_NODE_TEMPLATE_LEVEL
diff --git a/mayan/apps/ocr/tests/test_models.py b/mayan/apps/ocr/tests/test_models.py
index ae805a2427..324ce44d61 100644
--- a/mayan/apps/ocr/tests/test_models.py
+++ b/mayan/apps/ocr/tests/test_models.py
@@ -2,10 +2,10 @@
 
 from __future__ import unicode_literals
 
-from common.tests import BaseTestCase
-from documents.models import DocumentType
-from documents.runtime import language_choices
-from documents.tests import (
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.documents.models import DocumentType
+from mayan.apps.documents.runtime import language_choices
+from mayan.apps.documents.tests import (
     DocumentTestMixin, TEST_DEU_DOCUMENT_PATH, TEST_DOCUMENT_TYPE_LABEL
 )
 
diff --git a/mayan/apps/ocr/tests/test_views.py b/mayan/apps/ocr/tests/test_views.py
index 7777f1e245..b9ac501dd2 100644
--- a/mayan/apps/ocr/tests/test_views.py
+++ b/mayan/apps/ocr/tests/test_views.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 
-from documents.tests import GenericDocumentViewTestCase
+from mayan.apps.documents.tests import GenericDocumentViewTestCase
 
 from ..permissions import (
     permission_ocr_content_view, permission_ocr_document,
diff --git a/mayan/apps/ocr/views.py b/mayan/apps/ocr/views.py
index a4de687a90..e6e3949d00 100644
--- a/mayan/apps/ocr/views.py
+++ b/mayan/apps/ocr/views.py
@@ -6,11 +6,11 @@ from django.shortcuts import get_object_or_404
 from django.urls import reverse, reverse_lazy
 from django.utils.translation import ugettext_lazy as _, ungettext
 
-from common.generics import (
+from mayan.apps.common.generics import (
     FormView, MultipleObjectConfirmActionView, SingleObjectDetailView,
     SingleObjectDownloadView, SingleObjectEditView, SingleObjectListView
 )
-from documents.models import Document, DocumentPage, DocumentType
+from mayan.apps.documents.models import Document, DocumentPage, DocumentType
 
 from .forms import (
     DocumentPageOCRContentForm, DocumentOCRContentForm,
diff --git a/mayan/apps/permissions/__init__.py b/mayan/apps/permissions/__init__.py
index ed5919712b..7bc7e5377a 100644
--- a/mayan/apps/permissions/__init__.py
+++ b/mayan/apps/permissions/__init__.py
@@ -2,4 +2,4 @@ from __future__ import unicode_literals
 
 from .classes import Permission, PermissionNamespace  # NOQA
 
-default_app_config = 'permissions.apps.PermissionsApp'
+default_app_config = 'mayan.apps.permissions.apps.PermissionsApp'
diff --git a/mayan/apps/permissions/api_views.py b/mayan/apps/permissions/api_views.py
index 8a284de162..fb23c78a00 100644
--- a/mayan/apps/permissions/api_views.py
+++ b/mayan/apps/permissions/api_views.py
@@ -2,8 +2,8 @@ from __future__ import unicode_literals
 
 from rest_framework import generics
 
-from rest_api.filters import MayanObjectPermissionsFilter
-from rest_api.permissions import MayanPermission
+from mayan.apps.rest_api.filters import MayanObjectPermissionsFilter
+from mayan.apps.rest_api.permissions import MayanPermission
 
 from .classes import Permission
 from .models import Role
diff --git a/mayan/apps/permissions/apps.py b/mayan/apps/permissions/apps.py
index 732252930a..88b6b19db6 100644
--- a/mayan/apps/permissions/apps.py
+++ b/mayan/apps/permissions/apps.py
@@ -3,14 +3,14 @@ from __future__ import unicode_literals
 from django.apps import apps
 from django.utils.translation import ugettext_lazy as _
 
-from acls import ModelPermission
-from acls.links import link_acl_list
-from acls.permissions import permission_acl_edit, permission_acl_view
+from mayan.apps.acls import ModelPermission
+from mayan.apps.acls.links import link_acl_list
+from mayan.apps.acls.permissions import permission_acl_edit, permission_acl_view
 
-from common import (
+from mayan.apps.common import (
     MayanAppConfig, menu_multi_item, menu_object, menu_secondary, menu_setup
 )
-from common.signals import perform_upgrade
+from mayan.apps.common.signals import perform_upgrade
 
 from .handlers import purge_permissions
 from .links import (
@@ -26,9 +26,11 @@ from .search import *  # NOQA
 
 
 class PermissionsApp(MayanAppConfig):
+    app_namespace = 'permissions'
+    app_url = 'permissions'
     has_rest_api = True
     has_tests = True
-    name = 'permissions'
+    name = 'mayan.apps.permissions'
     verbose_name = _('Permissions')
 
     def ready(self):
diff --git a/mayan/apps/permissions/icons.py b/mayan/apps/permissions/icons.py
index 8e87a913c6..329033827b 100644
--- a/mayan/apps/permissions/icons.py
+++ b/mayan/apps/permissions/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_role_create = Icon(driver_name='fontawesome', symbol='plus')
 icon_role_list = Icon(driver_name='fontawesome', symbol='user-secret')
diff --git a/mayan/apps/permissions/links.py b/mayan/apps/permissions/links.py
index a9dc6f7988..7ca305d701 100644
--- a/mayan/apps/permissions/links.py
+++ b/mayan/apps/permissions/links.py
@@ -2,8 +2,8 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
-from user_management.permissions import permission_group_edit
+from mayan.apps.navigation import Link
+from mayan.apps.user_management.permissions import permission_group_edit
 
 from .icons import icon_role_create, icon_role_list
 from .permissions import (
diff --git a/mayan/apps/permissions/search.py b/mayan/apps/permissions/search.py
index 679f8dc9ba..21ac3f9c52 100644
--- a/mayan/apps/permissions/search.py
+++ b/mayan/apps/permissions/search.py
@@ -2,14 +2,14 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from dynamic_search.classes import SearchModel
+from mayan.apps.dynamic_search.classes import SearchModel
 
 from .permissions import permission_role_view
 
 role_search = SearchModel(
     app_label='permissions', model_name='Role',
     permission=permission_role_view,
-    serializer_string='permissions.serializers.RoleSerializer'
+    serializer_string='mayan.apps.permissions.serializers.RoleSerializer'
 )
 
 role_search.add_model_field(
diff --git a/mayan/apps/permissions/serializers.py b/mayan/apps/permissions/serializers.py
index b1ece06f7f..0a8d5e4e95 100644
--- a/mayan/apps/permissions/serializers.py
+++ b/mayan/apps/permissions/serializers.py
@@ -6,7 +6,7 @@ from django.utils.translation import ugettext_lazy as _
 from rest_framework import serializers
 from rest_framework.exceptions import ValidationError
 
-from user_management.serializers import GroupSerializer
+from mayan.apps.user_management.serializers import GroupSerializer
 
 from .classes import Permission
 from .models import Role, StoredPermission
diff --git a/mayan/apps/permissions/tests/test_api.py b/mayan/apps/permissions/tests/test_api.py
index 6de0d27db0..e28fbdef5b 100644
--- a/mayan/apps/permissions/tests/test_api.py
+++ b/mayan/apps/permissions/tests/test_api.py
@@ -4,8 +4,8 @@ from django.contrib.auth.models import Group
 
 from rest_framework import status
 
-from rest_api.tests import BaseAPITestCase
-from user_management.tests.literals import TEST_GROUP_2_NAME
+from mayan.apps.rest_api.tests import BaseAPITestCase
+from mayan.apps.user_management.tests.literals import TEST_GROUP_2_NAME
 
 from ..classes import Permission
 from ..models import Role
diff --git a/mayan/apps/permissions/tests/test_models.py b/mayan/apps/permissions/tests/test_models.py
index 59587b0b46..5aef04dc79 100644
--- a/mayan/apps/permissions/tests/test_models.py
+++ b/mayan/apps/permissions/tests/test_models.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.core.exceptions import PermissionDenied
 
-from common.tests import BaseTestCase
+from mayan.apps.common.tests import BaseTestCase
 
 from ..classes import Permission
 from ..permissions import permission_role_view
diff --git a/mayan/apps/permissions/tests/test_views.py b/mayan/apps/permissions/tests/test_views.py
index 3ed47361ee..851fdb482e 100644
--- a/mayan/apps/permissions/tests/test_views.py
+++ b/mayan/apps/permissions/tests/test_views.py
@@ -2,9 +2,9 @@ from __future__ import unicode_literals
 
 from django.contrib.auth.models import Group
 
-from common.tests import GenericViewTestCase
-from user_management.permissions import permission_group_edit
-from user_management.tests.literals import TEST_GROUP_2_NAME
+from mayan.apps.common.tests import GenericViewTestCase
+from mayan.apps.user_management.permissions import permission_group_edit
+from mayan.apps.user_management.tests.literals import TEST_GROUP_2_NAME
 
 from ..models import Role
 from ..permissions import (
diff --git a/mayan/apps/permissions/views.py b/mayan/apps/permissions/views.py
index 5f39b2540e..fc6b9c3b70 100644
--- a/mayan/apps/permissions/views.py
+++ b/mayan/apps/permissions/views.py
@@ -9,12 +9,12 @@ from django.urls import reverse_lazy
 from django.utils.encoding import force_text
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
-from common.views import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.views import (
     AssignRemoveView, SingleObjectCreateView, SingleObjectDeleteView,
     SingleObjectEditView, SingleObjectListView
 )
-from user_management.permissions import permission_group_edit
+from mayan.apps.user_management.permissions import permission_group_edit
 
 from .classes import Permission, PermissionNamespace
 from .icons import icon_role_list
diff --git a/mayan/apps/rest_api/__init__.py b/mayan/apps/rest_api/__init__.py
index eea7886b3a..0f5c529960 100644
--- a/mayan/apps/rest_api/__init__.py
+++ b/mayan/apps/rest_api/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'rest_api.apps.RESTAPIApp'
+default_app_config = 'mayan.apps.rest_api.apps.RESTAPIApp'
diff --git a/mayan/apps/rest_api/apps.py b/mayan/apps/rest_api/apps.py
index d3aadd1fb0..88d0b2c61a 100644
--- a/mayan/apps/rest_api/apps.py
+++ b/mayan/apps/rest_api/apps.py
@@ -5,7 +5,7 @@ from django.conf import settings
 from django.utils.module_loading import import_string
 from django.utils.translation import ugettext_lazy as _
 
-from common import MayanAppConfig, menu_tools
+from mayan.apps.common import MayanAppConfig, menu_tools
 
 from .links import (
     link_api, link_api_documentation, link_api_documentation_redoc
@@ -15,7 +15,8 @@ from .licenses import *  # NOQA
 
 class RESTAPIApp(MayanAppConfig):
     app_url = 'api'
-    name = 'rest_api'
+    app_namespace = 'rest_api'
+    name = 'mayan.apps.rest_api'
     verbose_name = _('REST API')
 
     def ready(self):
@@ -31,5 +32,5 @@ class RESTAPIApp(MayanAppConfig):
 
         for app in apps.get_app_configs():
             if getattr(app, 'has_rest_api', False):
-                app_api_urls = import_string('{}.urls.api_urls'.format(app.label))
+                app_api_urls = import_string('{}.urls.api_urls'.format(app.name))
                 api_urls.extend(app_api_urls)
diff --git a/mayan/apps/rest_api/filters.py b/mayan/apps/rest_api/filters.py
index 845622fdb5..1b561c598e 100644
--- a/mayan/apps/rest_api/filters.py
+++ b/mayan/apps/rest_api/filters.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from rest_framework.filters import BaseFilterBackend
 
-from acls.models import AccessControlList
+from mayan.apps.acls.models import AccessControlList
 
 
 class MayanObjectPermissionsFilter(BaseFilterBackend):
diff --git a/mayan/apps/rest_api/icons.py b/mayan/apps/rest_api/icons.py
index c6d1fc160f..c780852a71 100644
--- a/mayan/apps/rest_api/icons.py
+++ b/mayan/apps/rest_api/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_api = Icon(driver_name='fontawesome', symbol='plug')
 icon_api_documentation = Icon(driver_name='fontawesome', symbol='book')
diff --git a/mayan/apps/rest_api/licenses.py b/mayan/apps/rest_api/licenses.py
index 4037ef8f7d..9fea5c228d 100644
--- a/mayan/apps/rest_api/licenses.py
+++ b/mayan/apps/rest_api/licenses.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 
-from common.classes import Package
+from mayan.apps.common.classes import Package
 
 Package(label='Django REST framework', license_text='''
 Copyright (c) 2011-2015, Tom Christie All rights reserved.
diff --git a/mayan/apps/rest_api/links.py b/mayan/apps/rest_api/links.py
index 8306c5b3e9..efd5443ab3 100644
--- a/mayan/apps/rest_api/links.py
+++ b/mayan/apps/rest_api/links.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import (
     icon_api, icon_api_documentation, icon_api_documentation_redoc
diff --git a/mayan/apps/rest_api/permissions.py b/mayan/apps/rest_api/permissions.py
index cc518e38e4..88c37cd746 100644
--- a/mayan/apps/rest_api/permissions.py
+++ b/mayan/apps/rest_api/permissions.py
@@ -6,8 +6,8 @@ from django.core.exceptions import PermissionDenied
 
 from rest_framework.permissions import BasePermission
 
-from acls.models import AccessControlList
-from permissions import Permission
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.permissions import Permission
 
 
 class MayanPermission(BasePermission):
diff --git a/mayan/apps/rest_api/schemas.py b/mayan/apps/rest_api/schemas.py
index d0e8e5d963..89abc51b2a 100644
--- a/mayan/apps/rest_api/schemas.py
+++ b/mayan/apps/rest_api/schemas.py
@@ -4,8 +4,8 @@ from django.utils.translation import ugettext_lazy as _
 
 from drf_yasg import openapi
 
-from common.settings import setting_project_title
 import mayan
+from mayan.apps.common.settings import setting_project_title
 
 openapi_info = openapi.Info(
     title=_('%s API') % setting_project_title.value,
diff --git a/mayan/apps/rest_api/tests/base.py b/mayan/apps/rest_api/tests/base.py
index 5db1e4c84f..114549d89e 100644
--- a/mayan/apps/rest_api/tests/base.py
+++ b/mayan/apps/rest_api/tests/base.py
@@ -2,9 +2,9 @@ from __future__ import absolute_import, unicode_literals
 
 from rest_framework.test import APITestCase
 
-from common.tests import GenericViewTestCase
-from permissions.classes import Permission
-from smart_settings.classes import Namespace
+from mayan.apps.common.tests import GenericViewTestCase
+from mayan.apps.permissions.classes import Permission
+from mayan.apps.smart_settings.classes import Namespace
 
 
 class BaseAPITestCase(APITestCase, GenericViewTestCase):
diff --git a/mayan/apps/smart_settings/__init__.py b/mayan/apps/smart_settings/__init__.py
index f88029b412..143550fa7b 100644
--- a/mayan/apps/smart_settings/__init__.py
+++ b/mayan/apps/smart_settings/__init__.py
@@ -2,4 +2,4 @@ from __future__ import unicode_literals
 
 from .classes import Namespace, Setting  # NOQA
 
-default_app_config = 'smart_settings.apps.SmartSettingsApp'
+default_app_config = 'mayan.apps.smart_settings.apps.SmartSettingsApp'
diff --git a/mayan/apps/smart_settings/apps.py b/mayan/apps/smart_settings/apps.py
index 1d35dff31c..497557b987 100644
--- a/mayan/apps/smart_settings/apps.py
+++ b/mayan/apps/smart_settings/apps.py
@@ -2,8 +2,10 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from common import MayanAppConfig, menu_sidebar, menu_setup, menu_object
-from navigation import SourceColumn
+from mayan.apps.common import (
+    MayanAppConfig, menu_sidebar, menu_setup, menu_object
+)
+from mayan.apps.navigation import SourceColumn
 
 from .classes import Namespace, Setting
 from .links import (
@@ -17,7 +19,7 @@ class SmartSettingsApp(MayanAppConfig):
     app_namespace = 'settings'
     app_url = 'settings'
     has_tests = True
-    name = 'smart_settings'
+    name = 'mayan.apps.smart_settings'
     verbose_name = _('Smart settings')
 
     def ready(self):
diff --git a/mayan/apps/smart_settings/icons.py b/mayan/apps/smart_settings/icons.py
index 22ab54107e..3bb662d9aa 100644
--- a/mayan/apps/smart_settings/icons.py
+++ b/mayan/apps/smart_settings/icons.py
@@ -1,5 +1,5 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_namespace_list = Icon(driver_name='fontawesome', symbol='sliders-h')
diff --git a/mayan/apps/smart_settings/links.py b/mayan/apps/smart_settings/links.py
index 5ac6c7da95..b166801492 100644
--- a/mayan/apps/smart_settings/links.py
+++ b/mayan/apps/smart_settings/links.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import icon_namespace_list
 from .permissions import permission_settings_edit, permission_settings_view
diff --git a/mayan/apps/smart_settings/permissions.py b/mayan/apps/smart_settings/permissions.py
index 38f82240a7..e14544944a 100644
--- a/mayan/apps/smart_settings/permissions.py
+++ b/mayan/apps/smart_settings/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('smart_settings', _('Smart settings'))
 
diff --git a/mayan/apps/smart_settings/tests/test_classes.py b/mayan/apps/smart_settings/tests/test_classes.py
index 00fa74daa8..517fccacdc 100644
--- a/mayan/apps/smart_settings/tests/test_classes.py
+++ b/mayan/apps/smart_settings/tests/test_classes.py
@@ -2,8 +2,8 @@ from __future__ import absolute_import, unicode_literals
 
 import os
 
-from common.settings import setting_paginate_by
-from common.tests import BaseTestCase
+from mayan.apps.common.settings import setting_paginate_by
+from mayan.apps.common.tests import BaseTestCase
 
 from .literals import ENVIRONMENT_TEST_NAME, ENVIRONMENT_TEST_VALUE
 
diff --git a/mayan/apps/smart_settings/tests/test_view_permissions.py b/mayan/apps/smart_settings/tests/test_view_permissions.py
index 8aad9ace77..4ef5e91e2b 100644
--- a/mayan/apps/smart_settings/tests/test_view_permissions.py
+++ b/mayan/apps/smart_settings/tests/test_view_permissions.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from common.tests import GenericViewTestCase
+from mayan.apps.common.tests import GenericViewTestCase
 
 from ..permissions import permission_settings_view
 
diff --git a/mayan/apps/smart_settings/views.py b/mayan/apps/smart_settings/views.py
index 86da858a7f..5835182ee1 100644
--- a/mayan/apps/smart_settings/views.py
+++ b/mayan/apps/smart_settings/views.py
@@ -5,7 +5,7 @@ from django.http import Http404
 from django.urls import reverse
 from django.utils.translation import ugettext_lazy as _
 
-from common.views import FormView, SingleObjectListView
+from mayan.apps.common.views import FormView, SingleObjectListView
 
 from .classes import Namespace, Setting
 from .forms import SettingForm
diff --git a/mayan/apps/sources/__init__.py b/mayan/apps/sources/__init__.py
index 60cec4c52e..1c4d3107c1 100644
--- a/mayan/apps/sources/__init__.py
+++ b/mayan/apps/sources/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'sources.apps.SourcesApp'
+default_app_config = 'mayan.apps.sources.apps.SourcesApp'
diff --git a/mayan/apps/sources/apps.py b/mayan/apps/sources/apps.py
index 21ee604a1f..25c76c8d43 100644
--- a/mayan/apps/sources/apps.py
+++ b/mayan/apps/sources/apps.py
@@ -4,16 +4,16 @@ from django.utils.translation import ugettext_lazy as _
 
 from kombu import Exchange, Queue
 
-from common import (
+from mayan.apps.common import (
     MayanAppConfig, MissingItem, menu_object, menu_secondary, menu_sidebar,
     menu_setup
 )
-from common.signals import post_initial_setup, post_upgrade
-from converter.links import link_transformation_list
-from documents.menus import menu_documents
-from documents.signals import post_version_upload
+from mayan.apps.common.signals import post_initial_setup, post_upgrade
+from mayan.apps.converter.links import link_transformation_list
+from mayan.apps.documents.menus import menu_documents
+from mayan.apps.documents.signals import post_version_upload
+from mayan.apps.navigation import SourceColumn
 from mayan.celery import app
-from navigation import SourceColumn
 
 from .classes import StagingFile
 from .handlers import (
@@ -34,9 +34,11 @@ from .widgets import StagingFileThumbnailWidget
 
 
 class SourcesApp(MayanAppConfig):
+    app_namespace = 'sources'
+    app_url = 'sources'
     has_rest_api = True
     has_tests = True
-    name = 'sources'
+    name = 'mayan.apps.sources'
     verbose_name = _('Sources')
 
     def ready(self):
@@ -106,16 +108,16 @@ class SourcesApp(MayanAppConfig):
 
         app.conf.CELERY_ROUTES.update(
             {
-                'sources.tasks.task_check_interval_source': {
+                'mayan.apps.sources.tasks.task_check_interval_source': {
                     'queue': 'sources_periodic'
                 },
-                'sources.tasks.task_generate_staging_file_image': {
+                'mayan.apps.sources.tasks.task_generate_staging_file_image': {
                     'queue': 'sources_fast'
                 },
-                'sources.tasks.task_source_handle_upload': {
+                'mayan.apps.sources.tasks.task_source_handle_upload': {
                     'queue': 'sources'
                 },
-                'sources.tasks.task_upload_document': {
+                'mayan.apps.sources.tasks.task_upload_document': {
                     'queue': 'sources'
                 },
             }
diff --git a/mayan/apps/sources/classes.py b/mayan/apps/sources/classes.py
index a730d012d0..eace9dca0f 100644
--- a/mayan/apps/sources/classes.py
+++ b/mayan/apps/sources/classes.py
@@ -13,7 +13,7 @@ from django.urls import reverse
 from django.utils.encoding import force_text, python_2_unicode_compatible
 from django.utils.six.moves.urllib.parse import quote_plus, unquote_plus
 
-from converter import TransformationResize, converter_class
+from mayan.apps.converter import TransformationResize, converter_class
 
 from .storages import storage_staging_file_image_cache
 
diff --git a/mayan/apps/sources/forms.py b/mayan/apps/sources/forms.py
index 634f088cf2..a6431f71e5 100644
--- a/mayan/apps/sources/forms.py
+++ b/mayan/apps/sources/forms.py
@@ -7,7 +7,7 @@ from django.utils.encoding import force_text
 from django.utils.translation import ugettext
 from django.utils.translation import ugettext_lazy as _
 
-from documents.forms import DocumentForm
+from mayan.apps.documents.forms import DocumentForm
 
 from .models import (
     IMAPEmail, POP3Email, SaneScanner, StagingFolderSource, WebFormSource,
diff --git a/mayan/apps/sources/icons.py b/mayan/apps/sources/icons.py
index 739e6d3ed7..c4e751bbd4 100644
--- a/mayan/apps/sources/icons.py
+++ b/mayan/apps/sources/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_document_create_multiple = Icon(
     driver_name='fontawesome', symbol='upload'
diff --git a/mayan/apps/sources/links.py b/mayan/apps/sources/links.py
index a697a481dd..2a28e5df5a 100644
--- a/mayan/apps/sources/links.py
+++ b/mayan/apps/sources/links.py
@@ -3,10 +3,10 @@ from __future__ import absolute_import, unicode_literals
 from django.apps import apps
 from django.utils.translation import ugettext_lazy as _
 
-from documents.permissions import (
+from mayan.apps.documents.permissions import (
     permission_document_create, permission_document_new_version
 )
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import (
     icon_document_create_multiple, icon_setup_sources, icon_source_create
diff --git a/mayan/apps/sources/models/base.py b/mayan/apps/sources/models/base.py
index a87b3133cc..8ef6bf32a4 100644
--- a/mayan/apps/sources/models/base.py
+++ b/mayan/apps/sources/models/base.py
@@ -7,14 +7,14 @@ from django.db import models, transaction
 from django.utils.encoding import force_text, python_2_unicode_compatible
 from django.utils.translation import ugettext_lazy as _
 
+from djcelery.models import PeriodicTask, IntervalSchedule
 from model_utils.managers import InheritanceManager
 
-from common.compressed_files import Archive
-from common.exceptions import NoMIMETypeMatch
-from converter.models import Transformation
-from djcelery.models import PeriodicTask, IntervalSchedule
-from documents.models import Document, DocumentType
-from documents.settings import setting_language
+from mayan.apps.common.compressed_files import Archive
+from mayan.apps.common.exceptions import NoMIMETypeMatch
+from mayan.apps.converter.models import Transformation
+from mayan.apps.documents.models import Document, DocumentType
+from mayan.apps.documents.settings import setting_language
 
 from ..literals import (
     DEFAULT_INTERVAL, SOURCE_CHOICES, SOURCE_UNCOMPRESS_CHOICES
diff --git a/mayan/apps/sources/models/email_sources.py b/mayan/apps/sources/models/email_sources.py
index cea2bf1a15..825ad4c55e 100644
--- a/mayan/apps/sources/models/email_sources.py
+++ b/mayan/apps/sources/models/email_sources.py
@@ -12,8 +12,8 @@ from django.db import models
 from django.utils.encoding import force_bytes
 from django.utils.translation import ugettext_lazy as _
 
-from metadata.api import set_bulk_metadata
-from metadata.models import MetadataType
+from mayan.apps.metadata.api import set_bulk_metadata
+from mayan.apps.metadata.models import MetadataType
 
 from ..literals import (
     DEFAULT_IMAP_MAILBOX, DEFAULT_METADATA_ATTACHMENT_NAME,
diff --git a/mayan/apps/sources/models/scanner_sources.py b/mayan/apps/sources/models/scanner_sources.py
index f1bd11c35f..099d6ca913 100644
--- a/mayan/apps/sources/models/scanner_sources.py
+++ b/mayan/apps/sources/models/scanner_sources.py
@@ -7,7 +7,7 @@ from django.db import models
 from django.utils.timezone import now
 from django.utils.translation import ugettext_lazy as _
 
-from common.utils import TemporaryFile
+from mayan.apps.common.utils import TemporaryFile
 
 from ..classes import PseudoFile, SourceUploadedFile
 from ..exceptions import SourceException
diff --git a/mayan/apps/sources/permissions.py b/mayan/apps/sources/permissions.py
index 0575b8561f..2d09a8a5e7 100644
--- a/mayan/apps/sources/permissions.py
+++ b/mayan/apps/sources/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('sources_setup', _('Sources setup'))
 permission_sources_setup_create = namespace.add_permission(
diff --git a/mayan/apps/sources/queues.py b/mayan/apps/sources/queues.py
index 54afa4ea89..eebc52c0e4 100644
--- a/mayan/apps/sources/queues.py
+++ b/mayan/apps/sources/queues.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from task_manager.classes import CeleryQueue
+from mayan.apps.task_manager.classes import CeleryQueue
 
 queue_sources = CeleryQueue(
     name='sources', label=_('Sources')
@@ -15,18 +15,18 @@ queue_sources_fast = CeleryQueue(
 )
 
 queue_sources_fast.add_task_type(
-    name='sources.tasks.task_generate_staging_file_image',
+    name='mayan.apps.sources.tasks.task_generate_staging_file_image',
     label=_('Generate staging file image')
 )
 queue_sources_periodic.add_task_type(
-    name='sources.tasks.task_check_interval_source',
+    name='mayan.apps.sources.tasks.task_check_interval_source',
     label=_('Check interval source')
 )
 queue_sources.add_task_type(
-    name='sources.tasks.task_source_handle_upload',
+    name='mayan.apps.sources.tasks.task_source_handle_upload',
     label=_('Handle upload')
 )
 queue_sources.add_task_type(
-    name='sources.tasks.task_upload_document',
+    name='mayan.apps.sources.tasks.task_upload_document',
     label=_('Upload document')
 )
diff --git a/mayan/apps/sources/settings.py b/mayan/apps/sources/settings.py
index dcefcd8c88..ff9385be8c 100644
--- a/mayan/apps/sources/settings.py
+++ b/mayan/apps/sources/settings.py
@@ -5,7 +5,7 @@ import os
 from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
 
-from smart_settings import Namespace
+from mayan.apps.smart_settings import Namespace
 
 namespace = Namespace(name='sources', label=_('Sources'))
 
diff --git a/mayan/apps/sources/tasks.py b/mayan/apps/sources/tasks.py
index 3dfa1234c1..7d407d01ae 100644
--- a/mayan/apps/sources/tasks.py
+++ b/mayan/apps/sources/tasks.py
@@ -9,10 +9,10 @@ from django.utils.translation import ugettext_lazy as _
 
 from mayan.celery import app
 
-from common.compressed_files import Archive
-from common.exceptions import NoMIMETypeMatch
-from lock_manager import LockError
-from lock_manager.runtime import locking_backend
+from mayan.apps.common.compressed_files import Archive
+from mayan.apps.common.exceptions import NoMIMETypeMatch
+from mayan.apps.lock_manager import LockError
+from mayan.apps.lock_manager.runtime import locking_backend
 
 from .literals import (
     DEFAULT_SOURCE_LOCK_EXPIRE, DEFAULT_SOURCE_TASK_RETRY_DELAY
diff --git a/mayan/apps/sources/tests/test_classes.py b/mayan/apps/sources/tests/test_classes.py
index 68a6433ca1..7466b33fad 100644
--- a/mayan/apps/sources/tests/test_classes.py
+++ b/mayan/apps/sources/tests/test_classes.py
@@ -3,9 +3,9 @@ from __future__ import unicode_literals
 import os
 import shutil
 
-from common.tests import BaseTestCase
-from common.utils import mkdtemp
-from documents.tests import TEST_NON_ASCII_DOCUMENT_PATH
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.common.utils import mkdtemp
+from mayan.apps.documents.tests import TEST_NON_ASCII_DOCUMENT_PATH
 
 from ..classes import StagingFile
 
diff --git a/mayan/apps/sources/tests/test_links.py b/mayan/apps/sources/tests/test_links.py
index 500e563332..f8708bf326 100644
--- a/mayan/apps/sources/tests/test_links.py
+++ b/mayan/apps/sources/tests/test_links.py
@@ -1,7 +1,7 @@
 from __future__ import unicode_literals
 
-from documents.tests import GenericDocumentViewTestCase
-from documents.permissions import permission_document_create
+from mayan.apps.documents.tests import GenericDocumentViewTestCase
+from mayan.apps.documents.permissions import permission_document_create
 
 from ..links import link_document_create_multiple
 
diff --git a/mayan/apps/sources/tests/test_models.py b/mayan/apps/sources/tests/test_models.py
index 05a6c4c0e8..6c45999d7d 100644
--- a/mayan/apps/sources/tests/test_models.py
+++ b/mayan/apps/sources/tests/test_models.py
@@ -8,15 +8,15 @@ from pathlib2 import Path
 from django.test import override_settings
 from django.utils.encoding import force_text
 
-from common.utils import mkdtemp
-from common.tests import BaseTestCase
-from documents.models import Document, DocumentType
-from documents.tests import (
+from mayan.apps.common.utils import mkdtemp
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.documents.models import Document, DocumentType
+from mayan.apps.documents.tests import (
     DocumentTestMixin, TEST_COMPRESSED_DOCUMENT_PATH, TEST_DOCUMENT_TYPE_LABEL,
     TEST_NON_ASCII_DOCUMENT_FILENAME, TEST_NON_ASCII_DOCUMENT_PATH,
     TEST_NON_ASCII_COMPRESSED_DOCUMENT_PATH
 )
-from metadata.models import MetadataType
+from mayan.apps.metadata.models import MetadataType
 
 from ..literals import SOURCE_UNCOMPRESS_CHOICE_Y
 from ..models import POP3Email, WatchFolderSource, WebFormSource
diff --git a/mayan/apps/sources/tests/test_views.py b/mayan/apps/sources/tests/test_views.py
index 2befacecf0..c8f56a2478 100644
--- a/mayan/apps/sources/tests/test_views.py
+++ b/mayan/apps/sources/tests/test_views.py
@@ -5,12 +5,12 @@ import shutil
 
 from django.test import override_settings
 
-from checkouts.models import NewVersionBlock
-from common.tests import GenericViewTestCase
-from common.utils import fs_cleanup, mkdtemp
-from documents.models import Document, DocumentType
-from documents.permissions import permission_document_create
-from documents.tests import (
+from mayan.apps.checkouts.models import NewVersionBlock
+from mayan.apps.common.tests import GenericViewTestCase
+from mayan.apps.common.utils import fs_cleanup, mkdtemp
+from mayan.apps.documents.models import Document, DocumentType
+from mayan.apps.documents.permissions import permission_document_create
+from mayan.apps.documents.tests import (
     GenericDocumentViewTestCase, TEST_COMPRESSED_DOCUMENT_PATH,
     TEST_DOCUMENT_DESCRIPTION, TEST_DOCUMENT_TYPE_LABEL,
     TEST_SMALL_DOCUMENT_CHECKSUM, TEST_SMALL_DOCUMENT_PATH,
diff --git a/mayan/apps/sources/views.py b/mayan/apps/sources/views.py
index d38b99fa92..844a55d6dc 100644
--- a/mayan/apps/sources/views.py
+++ b/mayan/apps/sources/views.py
@@ -12,22 +12,22 @@ from django.urls import reverse, reverse_lazy
 from django.utils.encoding import force_text
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
-from checkouts.models import NewVersionBlock
-from common import menu_facet
-from common.models import SharedUploadedFile
-from common.utils import encapsulate
-from common.views import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.checkouts.models import NewVersionBlock
+from mayan.apps.common import menu_facet
+from mayan.apps.common.models import SharedUploadedFile
+from mayan.apps.common.utils import encapsulate
+from mayan.apps.common.views import (
     ConfirmView, MultiFormView, SingleObjectCreateView,
     SingleObjectDeleteView, SingleObjectEditView, SingleObjectListView
 )
-from common.widgets import TwoStateWidget
-from documents.models import DocumentType, Document
-from documents.permissions import (
+from mayan.apps.common.widgets import TwoStateWidget
+from mayan.apps.documents.models import DocumentType, Document
+from mayan.apps.documents.permissions import (
     permission_document_create, permission_document_new_version
 )
-from documents.tasks import task_upload_new_version
-from navigation import Link
+from mayan.apps.documents.tasks import task_upload_new_version
+from mayan.apps.navigation import Link
 
 from .exceptions import SourceException
 from .forms import (
diff --git a/mayan/apps/sources/widgets.py b/mayan/apps/sources/widgets.py
index 15ee0106bf..18179969f5 100644
--- a/mayan/apps/sources/widgets.py
+++ b/mayan/apps/sources/widgets.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.template.loader import render_to_string
 
-from documents.settings import (
+from mayan.apps.documents.settings import (
     setting_preview_width, setting_preview_height, setting_thumbnail_width,
     setting_thumbnail_height
 )
diff --git a/mayan/apps/sources/wizards.py b/mayan/apps/sources/wizards.py
index 61802119dc..cd3d740628 100644
--- a/mayan/apps/sources/wizards.py
+++ b/mayan/apps/sources/wizards.py
@@ -11,7 +11,7 @@ from django.utils.translation import ugettext_lazy as _
 
 from formtools.wizard.views import SessionWizardView
 
-from documents.forms import DocumentTypeSelectForm
+from mayan.apps.documents.forms import DocumentTypeSelectForm
 
 from .icons import icon_wizard_submit
 
diff --git a/mayan/apps/storage/__init__.py b/mayan/apps/storage/__init__.py
index 195d633d7a..95bfac8073 100644
--- a/mayan/apps/storage/__init__.py
+++ b/mayan/apps/storage/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'storage.apps.StorageApp'
+default_app_config = 'mayan.apps.storage.apps.StorageApp'
diff --git a/mayan/apps/storage/apps.py b/mayan/apps/storage/apps.py
index a8db56dc9e..2cc2965e07 100644
--- a/mayan/apps/storage/apps.py
+++ b/mayan/apps/storage/apps.py
@@ -5,5 +5,5 @@ from django.utils.translation import ugettext_lazy as _
 
 
 class StorageApp(apps.AppConfig):
-    name = 'storage'
+    name = 'mayan.apps.storage'
     verbose_name = _('Storage')
diff --git a/mayan/apps/tags/__init__.py b/mayan/apps/tags/__init__.py
index ba75c309b6..171dc14f06 100644
--- a/mayan/apps/tags/__init__.py
+++ b/mayan/apps/tags/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'tags.apps.TagsApp'
+default_app_config = 'mayan.apps.tags.apps.TagsApp'
diff --git a/mayan/apps/tags/api_views.py b/mayan/apps/tags/api_views.py
index ceb318d8d7..d62a6e50c2 100644
--- a/mayan/apps/tags/api_views.py
+++ b/mayan/apps/tags/api_views.py
@@ -6,12 +6,12 @@ from rest_framework import generics
 from rest_framework.exceptions import ValidationError
 from rest_framework.response import Response
 
-from acls.models import AccessControlList
-from documents.models import Document
-from documents.permissions import permission_document_view
-from documents.serializers import DocumentSerializer
-from rest_api.filters import MayanObjectPermissionsFilter
-from rest_api.permissions import MayanPermission
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.documents.models import Document
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.documents.serializers import DocumentSerializer
+from mayan.apps.rest_api.filters import MayanObjectPermissionsFilter
+from mayan.apps.rest_api.permissions import MayanPermission
 
 from .models import Tag
 from .permissions import (
diff --git a/mayan/apps/tags/apps.py b/mayan/apps/tags/apps.py
index 18e12e0eb0..5db52b581f 100644
--- a/mayan/apps/tags/apps.py
+++ b/mayan/apps/tags/apps.py
@@ -4,21 +4,21 @@ from django.apps import apps
 from django.db.models.signals import m2m_changed, pre_delete
 from django.utils.translation import ugettext_lazy as _
 
-from acls import ModelPermission
-from acls.links import link_acl_list
-from acls.permissions import permission_acl_edit, permission_acl_view
-from common import (
+from mayan.apps.acls import ModelPermission
+from mayan.apps.acls.links import link_acl_list
+from mayan.apps.acls.permissions import permission_acl_edit, permission_acl_view
+from mayan.apps.common import (
     MayanAppConfig, menu_facet, menu_object, menu_main, menu_multi_item,
     menu_sidebar
 )
-from common.classes import ModelField
-from documents.search import document_page_search, document_search
-from events import ModelEventType
-from events.links import (
+from mayan.apps.common.classes import ModelField
+from mayan.apps.documents.search import document_page_search, document_search
+from mayan.apps.events import ModelEventType
+from mayan.apps.events.links import (
     link_events_for_object, link_object_event_types_user_subcriptions_list,
 )
-from events.permissions import permission_events_view
-from navigation import SourceColumn
+from mayan.apps.events.permissions import permission_events_view
+from mayan.apps.navigation import SourceColumn
 
 from .events import (
     event_tag_attach, event_tag_created, event_tag_edited, event_tag_remove
@@ -40,9 +40,11 @@ from .widgets import widget_document_tags
 
 
 class TagsApp(MayanAppConfig):
+    app_namespace = 'tags'
+    app_urls = 'tags'
     has_rest_api = True
     has_tests = True
-    name = 'tags'
+    name = 'mayan.apps.tags'
     verbose_name = _('Tags')
 
     def ready(self):
diff --git a/mayan/apps/tags/events.py b/mayan/apps/tags/events.py
index eaca57e4cd..44f5793802 100644
--- a/mayan/apps/tags/events.py
+++ b/mayan/apps/tags/events.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from events import EventTypeNamespace
+from mayan.apps.events import EventTypeNamespace
 
 namespace = EventTypeNamespace(name='tags', label=_('Tags'))
 
diff --git a/mayan/apps/tags/forms.py b/mayan/apps/tags/forms.py
index 4afbf9cfc8..392de0d68f 100644
--- a/mayan/apps/tags/forms.py
+++ b/mayan/apps/tags/forms.py
@@ -5,7 +5,7 @@ import logging
 from django import forms
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
+from mayan.apps.acls.models import AccessControlList
 
 from .models import Tag
 from .permissions import permission_tag_view
diff --git a/mayan/apps/tags/handlers.py b/mayan/apps/tags/handlers.py
index c7b180b855..1b2a6fd6a7 100644
--- a/mayan/apps/tags/handlers.py
+++ b/mayan/apps/tags/handlers.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 import logging
 
-from document_indexing.tasks import task_index_document
+from mayan.apps.document_indexing.tasks import task_index_document
 
 logger = logging.getLogger(__name__)
 
diff --git a/mayan/apps/tags/icons.py b/mayan/apps/tags/icons.py
index 600f49be8c..12372789e5 100644
--- a/mayan/apps/tags/icons.py
+++ b/mayan/apps/tags/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_menu_tags = Icon(driver_name='fontawesome', symbol='tag')
 icon_tag_attach = Icon(driver_name='fontawesome', symbol='plus')
diff --git a/mayan/apps/tags/links.py b/mayan/apps/tags/links.py
index 4571c60586..cf02bb162b 100644
--- a/mayan/apps/tags/links.py
+++ b/mayan/apps/tags/links.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link, get_cascade_condition
+from mayan.apps.navigation import Link, get_cascade_condition
 
 from .icons import (
     icon_tag_attach, icon_tag_create, icon_tag_document_list, icon_tag_list
diff --git a/mayan/apps/tags/menus.py b/mayan/apps/tags/menus.py
index 7bde026fd1..759788637e 100644
--- a/mayan/apps/tags/menus.py
+++ b/mayan/apps/tags/menus.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Menu, get_cascade_condition
+from mayan.apps.navigation import Menu, get_cascade_condition
 
 from .icons import icon_menu_tags
 from .permissions import permission_tag_create, permission_tag_view
diff --git a/mayan/apps/tags/models.py b/mayan/apps/tags/models.py
index 7437d74b1c..645b86f9bc 100644
--- a/mayan/apps/tags/models.py
+++ b/mayan/apps/tags/models.py
@@ -7,9 +7,9 @@ from django.utils.translation import ugettext_lazy as _
 
 from colorful.fields import RGBColorField
 
-from acls.models import AccessControlList
-from documents.models import Document
-from documents.permissions import permission_document_view
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.documents.models import Document
+from mayan.apps.documents.permissions import permission_document_view
 
 from .events import (
     event_tag_attach, event_tag_created, event_tag_edited, event_tag_remove
diff --git a/mayan/apps/tags/permissions.py b/mayan/apps/tags/permissions.py
index ba9d0f4146..3d498787dc 100644
--- a/mayan/apps/tags/permissions.py
+++ b/mayan/apps/tags/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('tags', _('Tags'))
 
diff --git a/mayan/apps/tags/search.py b/mayan/apps/tags/search.py
index cdf2be833d..f16b8e75c1 100644
--- a/mayan/apps/tags/search.py
+++ b/mayan/apps/tags/search.py
@@ -2,14 +2,14 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from dynamic_search.classes import SearchModel
+from mayan.apps.dynamic_search.classes import SearchModel
 
 from .permissions import permission_tag_view
 
 tag_search = SearchModel(
     app_label='tags', model_name='Tag',
     permission=permission_tag_view,
-    serializer_string='tags.serializers.TagSerializer'
+    serializer_string='mayan.apps.tags.serializers.TagSerializer'
 )
 
 tag_search.add_model_field(
diff --git a/mayan/apps/tags/serializers.py b/mayan/apps/tags/serializers.py
index daf0fcdbf5..64c3c01ded 100644
--- a/mayan/apps/tags/serializers.py
+++ b/mayan/apps/tags/serializers.py
@@ -7,8 +7,8 @@ from rest_framework import serializers
 from rest_framework.exceptions import ValidationError
 from rest_framework.reverse import reverse
 
-from acls.models import AccessControlList
-from documents.models import Document
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.documents.models import Document
 
 from .models import Tag
 from .permissions import permission_tag_attach
diff --git a/mayan/apps/tags/tests/test_actions.py b/mayan/apps/tags/tests/test_actions.py
index a4fdd883b6..bc7bb0fa11 100644
--- a/mayan/apps/tags/tests/test_actions.py
+++ b/mayan/apps/tags/tests/test_actions.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 
-from document_states.tests.test_actions import ActionTestCase
+from mayan.apps.document_states.tests.test_actions import ActionTestCase
 
 from ..models import Tag
 from ..workflow_actions import AttachTagAction, RemoveTagAction
diff --git a/mayan/apps/tags/tests/test_api.py b/mayan/apps/tags/tests/test_api.py
index a0f1d1e084..3f399d6435 100644
--- a/mayan/apps/tags/tests/test_api.py
+++ b/mayan/apps/tags/tests/test_api.py
@@ -5,9 +5,9 @@ from django.utils.encoding import force_text
 
 from rest_framework import status
 
-from documents.permissions import permission_document_view
-from documents.tests import DocumentTestMixin
-from rest_api.tests import BaseAPITestCase
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.documents.tests import DocumentTestMixin
+from mayan.apps.rest_api.tests import BaseAPITestCase
 
 from ..models import Tag
 from ..permissions import (
diff --git a/mayan/apps/tags/tests/test_events.py b/mayan/apps/tags/tests/test_events.py
index 6ca0744825..fd63cb0533 100644
--- a/mayan/apps/tags/tests/test_events.py
+++ b/mayan/apps/tags/tests/test_events.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from actstream.models import Action
 
-from documents.tests import GenericDocumentViewTestCase
+from mayan.apps.documents.tests import GenericDocumentViewTestCase
 
 from ..events import event_tag_created, event_tag_edited
 from ..models import Tag
diff --git a/mayan/apps/tags/tests/test_indexing.py b/mayan/apps/tags/tests/test_indexing.py
index 1024a410e5..6dac6c8889 100644
--- a/mayan/apps/tags/tests/test_indexing.py
+++ b/mayan/apps/tags/tests/test_indexing.py
@@ -2,10 +2,10 @@ from __future__ import unicode_literals
 
 from django.test import override_settings
 
-from common.tests import BaseTestCase
-from documents.tests import DocumentTestMixin
-from document_indexing.models import Index, IndexInstanceNode
-from document_indexing.tests.literals import TEST_INDEX_LABEL
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.documents.tests import DocumentTestMixin
+from mayan.apps.document_indexing.models import Index, IndexInstanceNode
+from mayan.apps.document_indexing.tests.literals import TEST_INDEX_LABEL
 
 from ..models import Tag
 
diff --git a/mayan/apps/tags/tests/test_models.py b/mayan/apps/tags/tests/test_models.py
index fd94ecc8ed..473e414b3c 100644
--- a/mayan/apps/tags/tests/test_models.py
+++ b/mayan/apps/tags/tests/test_models.py
@@ -2,8 +2,8 @@ from __future__ import unicode_literals
 
 from django.test import override_settings
 
-from common.tests import BaseTestCase
-from documents.tests import DocumentTestMixin
+from mayan.apps.common.tests import BaseTestCase
+from mayan.apps.documents.tests import DocumentTestMixin
 
 from ..models import Tag
 
diff --git a/mayan/apps/tags/tests/test_views.py b/mayan/apps/tags/tests/test_views.py
index 4c123fa8ae..0c4d65c5a0 100644
--- a/mayan/apps/tags/tests/test_views.py
+++ b/mayan/apps/tags/tests/test_views.py
@@ -1,7 +1,7 @@
 from __future__ import unicode_literals
 
-from documents.permissions import permission_document_view
-from documents.tests import GenericDocumentViewTestCase
+from mayan.apps.documents.permissions import permission_document_view
+from mayan.apps.documents.tests import GenericDocumentViewTestCase
 
 from ..models import Tag
 from ..permissions import (
diff --git a/mayan/apps/tags/tests/test_wizard_steps.py b/mayan/apps/tags/tests/test_wizard_steps.py
index 273381465c..c82470c52c 100644
--- a/mayan/apps/tags/tests/test_wizard_steps.py
+++ b/mayan/apps/tags/tests/test_wizard_steps.py
@@ -1,12 +1,12 @@
 from __future__ import unicode_literals
 
-from documents.models import Document
-from documents.permissions import permission_document_create
-from documents.tests import (
+from mayan.apps.documents.models import Document
+from mayan.apps.documents.permissions import permission_document_create
+from mayan.apps.documents.tests import (
     GenericDocumentViewTestCase, TEST_SMALL_DOCUMENT_PATH,
 )
-from sources.models import WebFormSource
-from sources.tests.literals import (
+from mayan.apps.sources.models import WebFormSource
+from mayan.apps.sources.tests.literals import (
     TEST_SOURCE_LABEL, TEST_SOURCE_UNCOMPRESS_N
 )
 
diff --git a/mayan/apps/tags/views.py b/mayan/apps/tags/views.py
index 61b8aa25fe..b14d47ab4a 100644
--- a/mayan/apps/tags/views.py
+++ b/mayan/apps/tags/views.py
@@ -8,14 +8,14 @@ from django.template import RequestContext
 from django.urls import reverse_lazy
 from django.utils.translation import ugettext_lazy as _, ungettext
 
-from acls.models import AccessControlList
-from common.views import (
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.views import (
     MultipleObjectFormActionView, MultipleObjectConfirmActionView,
     SingleObjectCreateView, SingleObjectEditView, SingleObjectListView
 )
-from documents.models import Document
-from documents.views import DocumentListView
-from documents.permissions import permission_document_view
+from mayan.apps.documents.models import Document
+from mayan.apps.documents.views import DocumentListView
+from mayan.apps.documents.permissions import permission_document_view
 
 from .forms import TagMultipleSelectionForm
 from .icons import (
diff --git a/mayan/apps/tags/wizard_steps.py b/mayan/apps/tags/wizard_steps.py
index 5ad9a3e8c2..84dd5c6055 100644
--- a/mayan/apps/tags/wizard_steps.py
+++ b/mayan/apps/tags/wizard_steps.py
@@ -6,7 +6,7 @@ from django.apps import apps
 from django.utils.encoding import force_text
 from django.utils.translation import ugettext_lazy as _
 
-from sources.wizards import WizardStep
+from mayan.apps.sources.wizards import WizardStep
 
 from .forms import TagMultipleSelectionForm
 
diff --git a/mayan/apps/tags/workflow_actions.py b/mayan/apps/tags/workflow_actions.py
index 8afad617ba..d7b626c219 100644
--- a/mayan/apps/tags/workflow_actions.py
+++ b/mayan/apps/tags/workflow_actions.py
@@ -4,10 +4,10 @@ import logging
 
 from django.utils.translation import ugettext_lazy as _
 
-from acls.models import AccessControlList
-from document_states.classes import WorkflowAction
-from tags.models import Tag
-from tags.permissions import permission_tag_attach, permission_tag_remove
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.document_states.classes import WorkflowAction
+from mayan.apps.tags.models import Tag
+from mayan.apps.tags.permissions import permission_tag_attach, permission_tag_remove
 
 __all__ = ('AttachTagAction', 'RemoveTagAction')
 logger = logging.getLogger(__name__)
diff --git a/mayan/apps/task_manager/__init__.py b/mayan/apps/task_manager/__init__.py
index 7340b19f7e..c706763629 100644
--- a/mayan/apps/task_manager/__init__.py
+++ b/mayan/apps/task_manager/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'task_manager.apps.TaskManagerApp'
+default_app_config = 'mayan.apps.task_manager.apps.TaskManagerApp'
diff --git a/mayan/apps/task_manager/apps.py b/mayan/apps/task_manager/apps.py
index 2660d558f8..8b92c1dc9b 100644
--- a/mayan/apps/task_manager/apps.py
+++ b/mayan/apps/task_manager/apps.py
@@ -2,11 +2,11 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from common import (
+from mayan.apps.common import (
     MayanAppConfig, menu_object, menu_secondary, menu_tools
 )
-from common.widgets import TwoStateWidget
-from navigation import SourceColumn
+from mayan.apps.common.widgets import TwoStateWidget
+from mayan.apps.navigation import SourceColumn
 
 from .classes import CeleryQueue, Task
 from .links import (
@@ -20,7 +20,7 @@ class TaskManagerApp(MayanAppConfig):
     app_namespace = 'task_manager'
     app_url = 'task_manager'
     has_tests = True
-    name = 'task_manager'
+    name = 'mayan.apps.task_manager'
     verbose_name = _('Task manager')
 
     def ready(self):
diff --git a/mayan/apps/task_manager/icons.py b/mayan/apps/task_manager/icons.py
index 8129ecacc1..39f1a46bb6 100644
--- a/mayan/apps/task_manager/icons.py
+++ b/mayan/apps/task_manager/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_task_manager = Icon(driver_name='fontawesome', symbol='braille')
 icon_queue_list = Icon(driver_name='fontawesome', symbol='braille')
diff --git a/mayan/apps/task_manager/links.py b/mayan/apps/task_manager/links.py
index 9dee368fa3..1e88569078 100644
--- a/mayan/apps/task_manager/links.py
+++ b/mayan/apps/task_manager/links.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import icon_task_manager, icon_queue_list
 from .permissions import permission_task_view
diff --git a/mayan/apps/task_manager/permissions.py b/mayan/apps/task_manager/permissions.py
index 257016119e..31e6765690 100644
--- a/mayan/apps/task_manager/permissions.py
+++ b/mayan/apps/task_manager/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('task_manager', _('Task manager'))
 
diff --git a/mayan/apps/task_manager/tests/test_views.py b/mayan/apps/task_manager/tests/test_views.py
index 3f09ba40c3..15c599344d 100644
--- a/mayan/apps/task_manager/tests/test_views.py
+++ b/mayan/apps/task_manager/tests/test_views.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 
-from common.tests import GenericViewTestCase
+from mayan.apps.common.tests import GenericViewTestCase
 
 from ..classes import CeleryQueue
 from ..permissions import permission_task_view
diff --git a/mayan/apps/task_manager/views.py b/mayan/apps/task_manager/views.py
index 7cbfd12ba0..05a83a35f7 100644
--- a/mayan/apps/task_manager/views.py
+++ b/mayan/apps/task_manager/views.py
@@ -3,7 +3,7 @@ from __future__ import absolute_import, unicode_literals
 from django.contrib import messages
 from django.utils.translation import ugettext_lazy as _
 
-from common.generics import SingleObjectListView
+from mayan.apps.common.generics import SingleObjectListView
 
 from .classes import CeleryQueue
 from .permissions import permission_task_view
diff --git a/mayan/apps/user_management/__init__.py b/mayan/apps/user_management/__init__.py
index 7aafdf26c5..4d5207058c 100644
--- a/mayan/apps/user_management/__init__.py
+++ b/mayan/apps/user_management/__init__.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-default_app_config = 'user_management.apps.UserManagementApp'
+default_app_config = 'mayan.apps.user_management.apps.UserManagementApp'
diff --git a/mayan/apps/user_management/api_views.py b/mayan/apps/user_management/api_views.py
index afe028d46c..3d725dec67 100644
--- a/mayan/apps/user_management/api_views.py
+++ b/mayan/apps/user_management/api_views.py
@@ -6,9 +6,9 @@ from django.shortcuts import get_object_or_404
 
 from rest_framework import generics
 
-from acls.models import AccessControlList
-from rest_api.filters import MayanObjectPermissionsFilter
-from rest_api.permissions import MayanPermission
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.rest_api.filters import MayanObjectPermissionsFilter
+from mayan.apps.rest_api.permissions import MayanPermission
 
 from .permissions import (
     permission_group_create, permission_group_delete, permission_group_edit,
diff --git a/mayan/apps/user_management/apps.py b/mayan/apps/user_management/apps.py
index 33378050d0..a9d593a4a9 100644
--- a/mayan/apps/user_management/apps.py
+++ b/mayan/apps/user_management/apps.py
@@ -5,15 +5,15 @@ from django.contrib.auth import get_user_model
 from django.db.models.signals import post_save
 from django.utils.translation import ugettext_lazy as _
 
-from acls import ModelPermission
-from acls.links import link_acl_list
-from acls.permissions import permission_acl_edit, permission_acl_view
-from common import menu_multi_item, menu_object, menu_secondary, menu_setup
-from common.apps import MayanAppConfig
-from common.widgets import TwoStateWidget
-from metadata import MetadataLookup
-from navigation import SourceColumn
-from rest_api.fields import DynamicSerializerField
+from mayan.apps.acls import ModelPermission
+from mayan.apps.acls.links import link_acl_list
+from mayan.apps.acls.permissions import permission_acl_edit, permission_acl_view
+from mayan.apps.common import menu_multi_item, menu_object, menu_secondary, menu_setup
+from mayan.apps.common.apps import MayanAppConfig
+from mayan.apps.common.widgets import TwoStateWidget
+from mayan.apps.metadata import MetadataLookup
+from mayan.apps.navigation import SourceColumn
+from mayan.apps.rest_api.fields import DynamicSerializerField
 
 from .handlers import handler_initialize_new_user_options
 from .links import (
@@ -46,10 +46,11 @@ def get_users():
 
 
 class UserManagementApp(MayanAppConfig):
+    app_namespace = 'user_management'
     app_url = 'accounts'
     has_rest_api = True
     has_tests = True
-    name = 'user_management'
+    name = 'mayan.apps.user_management'
     verbose_name = _('User management')
 
     def ready(self):
@@ -61,7 +62,7 @@ class UserManagementApp(MayanAppConfig):
 
         DynamicSerializerField.add_serializer(
             klass=get_user_model(),
-            serializer_class='user_management.serializers.UserSerializer'
+            serializer_class='mayan.apps.user_management.serializers.UserSerializer'
         )
 
         MetadataLookup(
diff --git a/mayan/apps/user_management/icons.py b/mayan/apps/user_management/icons.py
index 2e9b10f881..284ab43521 100644
--- a/mayan/apps/user_management/icons.py
+++ b/mayan/apps/user_management/icons.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
-from appearance.classes import Icon
+from mayan.apps.appearance.classes import Icon
 
 icon_group_create = Icon(driver_name='fontawesome', symbol='plus')
 icon_group_setup = Icon(driver_name='fontawesome', symbol='users')
diff --git a/mayan/apps/user_management/links.py b/mayan/apps/user_management/links.py
index a0edebdd42..fa3f159ace 100644
--- a/mayan/apps/user_management/links.py
+++ b/mayan/apps/user_management/links.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from navigation import Link
+from mayan.apps.navigation import Link
 
 from .icons import (
     icon_group_create, icon_group_setup, icon_user_create, icon_user_setup
diff --git a/mayan/apps/user_management/permissions.py b/mayan/apps/user_management/permissions.py
index e7a97d1540..e2eca5f948 100644
--- a/mayan/apps/user_management/permissions.py
+++ b/mayan/apps/user_management/permissions.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from permissions import PermissionNamespace
+from mayan.apps.permissions import PermissionNamespace
 
 namespace = PermissionNamespace('user_management', _('User management'))
 
diff --git a/mayan/apps/user_management/search.py b/mayan/apps/user_management/search.py
index 736ddbbd00..54e7a26dc2 100644
--- a/mayan/apps/user_management/search.py
+++ b/mayan/apps/user_management/search.py
@@ -3,7 +3,7 @@ from __future__ import absolute_import, unicode_literals
 from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
 
-from dynamic_search.classes import SearchModel
+from mayan.apps.dynamic_search.classes import SearchModel
 
 from .permissions import permission_group_view, permission_user_view
 
@@ -12,7 +12,7 @@ user_app, user_model = settings.AUTH_USER_MODEL.split('.')
 user_search = SearchModel(
     app_label=user_app, model_name=user_model,
     permission=permission_user_view,
-    serializer_string='user_management.serializers.UserSerializer'
+    serializer_string='mayan.apps.user_management.serializers.UserSerializer'
 )
 
 user_search.add_model_field(
diff --git a/mayan/apps/user_management/serializers.py b/mayan/apps/user_management/serializers.py
index 10d20518cc..559b2c6969 100644
--- a/mayan/apps/user_management/serializers.py
+++ b/mayan/apps/user_management/serializers.py
@@ -9,7 +9,7 @@ from django.utils.translation import ugettext_lazy as _
 from rest_framework import serializers
 from rest_framework.exceptions import ValidationError
 
-from acls.models import AccessControlList
+from mayan.apps.acls.models import AccessControlList
 
 from .permissions import permission_group_view
 
diff --git a/mayan/apps/user_management/tests/test_api.py b/mayan/apps/user_management/tests/test_api.py
index f84671b8ea..b69232fc07 100644
--- a/mayan/apps/user_management/tests/test_api.py
+++ b/mayan/apps/user_management/tests/test_api.py
@@ -5,7 +5,7 @@ from django.contrib.auth.models import Group
 
 from rest_framework import status
 
-from rest_api.tests import BaseAPITestCase
+from mayan.apps.rest_api.tests import BaseAPITestCase
 
 from ..permissions import (
     permission_group_create, permission_group_delete,
diff --git a/mayan/apps/user_management/tests/test_models.py b/mayan/apps/user_management/tests/test_models.py
index 12e3b5c4e3..7e96927453 100644
--- a/mayan/apps/user_management/tests/test_models.py
+++ b/mayan/apps/user_management/tests/test_models.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 
-from common.tests import BaseTestCase
+from mayan.apps.common.tests import BaseTestCase
 
 from .mixins import UserTestMixin
 
diff --git a/mayan/apps/user_management/tests/test_views.py b/mayan/apps/user_management/tests/test_views.py
index f6b6bd9df8..fe60110d66 100644
--- a/mayan/apps/user_management/tests/test_views.py
+++ b/mayan/apps/user_management/tests/test_views.py
@@ -3,13 +3,11 @@ from __future__ import unicode_literals
 from django.contrib.auth import get_user_model
 from django.contrib.auth.models import Group
 
-from common.tests import GenericViewTestCase
-from documents.tests import GenericDocumentViewTestCase
-
-from metadata.models import MetadataType
-from metadata.permissions import permission_metadata_document_edit
-
-from metadata.tests.literals import (
+from mayan.apps.common.tests import GenericViewTestCase
+from mayan.apps.documents.tests import GenericDocumentViewTestCase
+from mayan.apps.metadata.models import MetadataType
+from mayan.apps.metadata.permissions import permission_metadata_document_edit
+from mayan.apps.metadata.tests.literals import (
     TEST_METADATA_TYPE_LABEL, TEST_METADATA_TYPE_NAME,
 )
 
diff --git a/mayan/apps/user_management/views.py b/mayan/apps/user_management/views.py
index 1c96280164..5f74b1d1fb 100644
--- a/mayan/apps/user_management/views.py
+++ b/mayan/apps/user_management/views.py
@@ -12,7 +12,7 @@ from django.template import RequestContext
 from django.urls import reverse, reverse_lazy
 from django.utils.translation import ungettext, ugettext_lazy as _
 
-from common.views import (
+from mayan.apps.common.views import (
     AssignRemoveView, MultipleObjectConfirmActionView,
     MultipleObjectFormActionView, SingleObjectCreateView,
     SingleObjectDeleteView, SingleObjectEditView, SingleObjectListView
diff --git a/mayan/conf.py b/mayan/conf.py
index 27a9a82a93..212322bd5d 100644
--- a/mayan/conf.py
+++ b/mayan/conf.py
@@ -6,7 +6,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
-from smart_settings import Namespace
+from mayan.apps.smart_settings import Namespace
 
 namespace = Namespace(name='mayan', label=_('Mayan'))
 
diff --git a/mayan/settings/base.py b/mayan/settings/base.py
index bf12e68477..28ca20d6c0 100644
--- a/mayan/settings/base.py
+++ b/mayan/settings/base.py
@@ -61,8 +61,7 @@ ALLOWED_HOSTS = yaml_loads(
 
 INSTALLED_APPS = (
     # Placed at the top so it can override any template
-    'appearance',
-    # 3rd party
+    'mayan.apps.appearance',
     'suit',
     # Django
     'django.contrib.admin',
@@ -89,47 +88,47 @@ INSTALLED_APPS = (
     'solo',
     'stronghold',
     'widget_tweaks',
-    # Base generic
-    'acls',
-    'authentication',
-    'common',
-    'converter',
-    'django_gpg',
-    'dynamic_search',
-    'lock_manager',
-    'mimetype',
-    'navigation',
-    'permissions',
-    'smart_settings',
-    'user_management',
-    # Mayan EDMS
-    'cabinets',
-    'checkouts',
-    'document_comments',
-    'document_indexing',
-    'document_parsing',
-    'document_signatures',
-    'document_states',
-    'documents',
-    'events',
-    'linking',
-    'mailer',
-    'mayan_statistics',
-    'metadata',
-    'mirroring',
-    'motd',
-    'ocr',
-    'rest_api',
-    'sources',
-    'storage',
-    'tags',
-    'task_manager',
+    # Base apps
+    'mayan.apps.acls',
+    'mayan.apps.authentication',
+    'mayan.apps.common',
+    'mayan.apps.converter',
+    'mayan.apps.django_gpg',
+    'mayan.apps.dynamic_search',
+    'mayan.apps.events',
+    'mayan.apps.lock_manager',
+    'mayan.apps.mimetype',
+    'mayan.apps.navigation',
+    'mayan.apps.permissions',
+    'mayan.apps.smart_settings',
+    'mayan.apps.user_management',
+    # Document apps
+    'mayan.apps.cabinets',
+    'mayan.apps.checkouts',
+    'mayan.apps.document_comments',
+    'mayan.apps.document_indexing',
+    'mayan.apps.document_parsing',
+    'mayan.apps.document_signatures',
+    'mayan.apps.document_states',
+    'mayan.apps.documents',
+    'mayan.apps.linking',
+    'mayan.apps.mailer',
+    'mayan.apps.mayan_statistics',
+    'mayan.apps.metadata',
+    'mayan.apps.mirroring',
+    'mayan.apps.motd',
+    'mayan.apps.ocr',
+    'mayan.apps.rest_api',
+    'mayan.apps.sources',
+    'mayan.apps.storage',
+    'mayan.apps.tags',
+    'mayan.apps.task_manager',
     # Placed after rest_api to allow template overriding
     'drf_yasg',
 )
 
 MIDDLEWARE_CLASSES = (
-    'common.middleware.error_logging.ErrorLoggingMiddleware',
+    'mayan.apps.common.middleware.error_logging.ErrorLoggingMiddleware',
     'django.middleware.security.SecurityMiddleware',
     'whitenoise.middleware.WhiteNoiseMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
@@ -140,9 +139,9 @@ MIDDLEWARE_CLASSES = (
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
     'django.middleware.locale.LocaleMiddleware',
-    'common.middleware.timezone.TimezoneMiddleware',
+    'mayan.apps.common.middleware.timezone.TimezoneMiddleware',
     'stronghold.middleware.LoginRequiredMiddleware',
-    'common.middleware.ajax_redirect.AjaxRedirect',
+    'mayan.apps.common.middleware.ajax_redirect.AjaxRedirect',
 )
 
 ROOT_URLCONF = 'mayan.urls'
@@ -236,8 +235,6 @@ LANGUAGES = (
 
 SITE_ID = 1
 
-sys.path.append(os.path.join(BASE_DIR, 'apps'))
-
 STATIC_ROOT = os.environ.get(
     'MAYAN_STATIC_ROOT', os.path.join(MEDIA_ROOT, 'static')
 )
@@ -249,7 +246,7 @@ STATICFILES_FINDERS = (
 
 STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'
 
-TEST_RUNNER = 'common.tests.runner.MayanTestRunner'
+TEST_RUNNER = 'mayan.apps.common.tests.runner.MayanTestRunner'
 
 # --------- Django -------------------
 
diff --git a/mayan/urls.py b/mayan/urls.py
index 9ddb10ce07..edf0b19be5 100644
--- a/mayan/urls.py
+++ b/mayan/urls.py
@@ -7,7 +7,7 @@ from django.contrib import admin
 from drf_yasg.views import get_schema_view
 from rest_framework import permissions
 
-from rest_api.schemas import openapi_info
+from mayan.apps.rest_api.schemas import openapi_info
 
 admin.autodiscover()
 schema_view = get_schema_view(