MySocialApp - Seamless Social Networking features for your app
Planetary - Decentralized social media by and for the people.
Manyverse - A social network off the grid
Zyl - AI-powered photo app with a privacy by design approach
Mastodon - Mastodon is a decentralized, open source social network. This is just one part of the network, run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome!
Blarb - Blarb is an microblogging app, but unlike other apps, everything you share in Blarb gets deleted in 24 hours.