Maillinglist
There is currently not much of a community yet, but there is a maillinglist which anyone using this can join: https://lists.sourceforge.net/lists/listinfo/dotiac-users
The archive can be found at: https://sourceforge.net/mailarchive/forum.php?forum_name=dotiac-users
Forums
There is also a forum found here: https://sourceforge.net/forum/?group_id=249411