16/10/2009

• 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.
• Pleroma : Pleroma is a federated social networking platform, compatible with GNU social and other OStatus implementations. It is free software licensed under th...
• Elgg : Elgg is an award-winning social networking engine, delivering the building blocks that enable businesses, schools, universities and associations to cr...
• The Hype Machine : The Hype Machine follows music blog discussions
• Scuttlebot : Scuttlebot is an open source peer-to-peer log store used as a database, identity provider, and messaging system. It has: Global replication File-synch...