Pithos - pithos is a daemon which provides an S3-compatible frontend for storing files in a Cassandra cluster.
Playlist Machinery - Tools that help you create & organize your Spotify playlists
Keybase Chat - End-to-end encrypted chat built into Keybase
Heartbeat - Listen to music with your friends together, on Spotify
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.
Partyhero - Pass your friends the aux!