The source code of the MC form is released under AGPLv3 and can be found in this SVN:
https://ourproject.org/scm/?group_id=981
The source code of the MC ontology is released under AGPLv3 and can be found in this GIT:
https://github.com/jdelacueva/movecommons-semantics
As bug tracking system we use Redmine, in case you want to comment or contribute to any:
http://redmine.ourproject.org/projects/movecommons/issues/
As review board, where you can send patches for review:
http://reviews.comunes.org/
We use the following kune-lists, subscribe freely to any of them:
http://kune.cc/#!movecommons.lists.961