20v - Create a custom music channel based on a single song
Spike - Spike solves businesses' communication chaos by bringing together email, team chat, collaborative docs, and meetings, into one feed.
BeatSense - Discover great music hand-picked by real people, in a single click. FREE and in real-time!
Keybase Chat - End-to-end encrypted chat built into Keybase
Deezer - Deezer is a music streaming app created in France. It is available in 180 counties and gets 16 million users a month. 6 million of the users have paid subscriptions. Read more about Deezer.
Crypho - End-to-end-encrypted messaging and file sharing