Use the Github issues page for not only reporting problems but to discuss any questions you might have. You can also view the old forum archives here.
Documentation for the OpenNetAdmin system and add-on tools.
Links to various places to download OpenNetAdmin related code.
|Online chat via IRC
Talk live with other OpenNetAdmin users and maybe the occasional developer. (Click the link or Join #ona on freenode) Best times are weekdays, 9:00am-5:00pm MST.