Development
Contact
We hang out on irc.freenode.net in the #mana channel and we're using a mailing list to communicate outside of IRC (though mailing list membership has to be manually approved so that we don't have to face spam).
Task and bug tracker
We're using Mantis, at http://bugs.manasource.org/.
Git repositories
Available at http://github.com/mana.
Testing server
Running at http://testing.manasource.org on port 9601, at commits:
manaserv ef18650cacc0ce7ef71885bf6d23e1adeb4d7e19 manaweb 9385910544d5b790a73c7f91677398396cd75fbe