FriendLife - FriendLife is a great and interesting way of making new and dashing friends for free.

Spike - Spike solves businesses' communication chaos by bringing together email, team chat, collaborative docs, and meetings, into one feed.

Twoo - With the millions of active and interesting people around the world, Twoo is one of the most interesting and practical means for finding the new people across the globe.

Keybase Chat - End-to-end encrypted chat built into Keybase

BeeTalk - Our world is really full of strange and interesting people.

Crypho - End-to-end-encrypted messaging and file sharing