Pinax is an open-source collection of re-usable apps for the Django Web Framework.
By integrating numerous reusable Django apps to take care of the things that many sites have in common, it lets you focus on what makes your site different.
While our initial development is focused around a social networking site, Cloud27, we are also working on number of editions tailored to intranets, learning management, software project management and more.
At this stage, there is:
and much more coming...
You can learn more about the history and motivation for Pinax in an interview with James Tauber on This Week in Django as well as his talk on Pinax at DjangoCon 2008.