Ocean beta - Make music with friends in your browser
Heartbeat - Listen to music with your friends together, on Spotify
Cycle - (taken from the man pages) DESCRIPTION
Festify - Festify is a free Spotify-powered app that lets your guests choose which music should be played...
Audulus - A universe of sound at your fingertips - Audulus is a modular music processing app
BeatSense - Discover great music hand-picked by real people, in a single click. FREE and in real-time!