Jukebox - Collaborative music player
Songlink - Share music with anyone.
OutLoud Social Jukebox - Control the music with your friends in real-time
humit - A social networking app for music sharing and discovery.
Festify - Festify is a free Spotify-powered app that lets your guests choose which music should be played...
aux.app - A free web-based music platform to play music from other popular online streaming services.