Parallel - Listen to music with friends over Spotify at the same time
MusicTwin Finder - Find your MusicTwin by your Spotify playlists in 5 seconds.
Join My Playlist - Listen to music live together with your friends in Spotify.
Symphona App - Designed to make orchestral staff management a breeze.
TuneMeet - Chat with people who are listening to the same song
JamBuddy - Find and collaborate with musicians around you thru Spotify