Join My Playlist - Listen to music live together with your friends in Spotify.
BandNext - Discover bands that sound similar to artists you already love with BandNext. A single click saves your results to a Youtube playlist.
SOUNDS - Discover music with friends
Musicroamer - A visual Pandora for discovering new music
Liyo - Stream your favorite music live with friends 🎶
stats.fm - With the click of a button you'll be logged with your Spotify account and you'll instantly gain access to a valhalla of cool stats and insights.