https://github.com/maidsafe/safe_network https://maidsafe.net/
this one quite interesting devs Bartozzz/offchan.org: WIP: Offchan is a modern, real-time, anonymous cyberpunk image board. The main themes are programming, technology, science, psychology and philosophy. (github.com)
https://github.com/satellity/satellity
elkarte/Elkarte: ElkArte Forum. A free, open source, modern discussion forum / BB (github.com)
this has some small activity https://github.com/Southclaws/storyden
this one small activity, but something keeps happening there very cool aesthetics everyone can change the data F4IF/ctree-demo: Collaboration Tree - A community discussion platform built for maximum insight with minimum oversight. (github.com)
cool profile and news reader https://github.com/mrusme