There are several means to get involved.
Source code and bug reports
You can report bugs and see our source code on the project's trac. Feel free to use it!
The lists available are listed there: http://lists.hackable1.org/mailman/listinfo
End users and support
The hackable1-user mailing-list is available for user support and announcements.
The hackable1-dev mailing-list is used for everything related to the development of the project.
The IRC channel
You are also welcome to join the #hackable1 channel on the Freenode IRC network.