Diaspora is an open-source, privacy-aware, distributed social network that is run by a network of users who run their own servers (called pods). It is designed to give users control over their data, enabling them to post, share, and connect with their friends in a secure and private way. Users can post messages, photos, videos, and links to other websites, and can follow other users. In addition, Diaspora provides users with the ability to create and join communities, and to discuss topics with other members of the community. Diaspora also provides users with the ability to customize their profiles and control their privacy settings. Diaspora is a great way for users to communicate, share, and connect with their friends without having to worry about their data being shared without their permission.
Discontinued has not been updated since 2015. Source: https://github.com/Libertree/libertree