Last updated 29 September 2014. (popularly referred to as "GDO") currently runs on Drupal 6, using Organic Groups. See GDO's about page for more details:

Want to help out? Great!

First, you should know that is being migrated to Drupal 7 on Drupal Commons. For more information, see

If you'd like to talk about how GDO is built, maintained, and implemented, join the GDO "meta-group":

If you have bugs or feature requests to report, use the GDO issue queue: