Pleroma : Pleroma is a federated social networking platform, compatible with GNU social and other OStatus implementations. It is free software licensed under th...
pump.io : Social server with an ActivityStreams API. It's a stream server that does most of what people really want from a social network.
Sonic Pi : Sonic Pi is a new kind of musical instrument. Instead of strumming strings or whacking things with sticks - you write code - live.
Sonic Pi is a compl...
Shariff : Shariff enables website users to share their favorite content without compromising their privacy.
Known : Known is a social learning platform.
Create your educational community and empower students to publish work, share feedback, and communicate across so...
GNU social is a continuation of the StatusNet project. It is social communication software for both public and private communications. It is widely supported and has a large userbase. It is already used by the Free Software Foundation.