Facebook - Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.
Pleroma - Pleroma is a free, federated social networking server built on open protocols.
Friendly for Facebook - Friendly is the most complete Facebook Lite and FB Messenger alternative.
GNU social - GNU social is communication software for both public and private communications.
X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
ZeroMe - Social network for the distributed P2P network ZeroNet.