Gab - Gab is an ad-free social network dedicated to free speech.
deface - removes facebook from facebook so you can chat with friends without distractions.
Friendica - Decentralisation - Privacy - Interoperability
Facebook Messenger Kids - Safer and More Fun Video Calls and Messaging
PixelFed - PixelFed is a federated image sharing platform, powered by the ActivityPub protocol.
Taku - A social app that turns your words into images