Jukebox - Collaborative music player
Magic Playlist - Get the playlist of your dreams based on a song
Festify - Festify is a free Spotify-powered app that lets your guests choose which music should be played...
Playlist Machinery - Tools that help you create & organize your Spotify playlists
PartyOn - Let everyone DJ together, anywhere
Spotify.me - Beautiful analytics on your Spotify listening habits 🎧