The latest releases are available at GitHub.com
Or you can download the latest development version either in zip or tar format.
You can also clone the project with Git by running:
$ git clone git://github.com/rosarior/mayan
virtualenv --no-site-packages mayan
cd mayan
git clone git://github.com/rosarior/mayan.git
cd mayan
source ../bin/activate
pip install -r requirements/production.txt