Metastream - Watch streaming media with friends
Heartbeat - Listen to music with your friends together, on Spotify
Watch2Gether - Watch2Gether is an app that allows multiple people to watch the same content simultaneously and interact with each other while watching.
Festify - Festify is a free Spotify-powered app that lets your guests choose which music should be played...
StreamParty - StreamParty is a watch communiry, that allows you to watch video streams in sync with the people you care about, on multiple services.
BeatSense - Discover great music hand-picked by real people, in a single click. FREE and in real-time!