Shared Spotify - Find the common songs you have between friends
PeekaBeat - Turn your selfie into Spotify playlist 🎶
Spotify Codes - Share codes for songs, artists, and playlists from Spotify
Lazyset - A Spotify playlist mixing Facebook Messenger bot
Bands on a Budget - Economical SWAG meant for bands, often hijacked by startups
Party Blends - A way to blend your friends favourite tracks into one Spotify playlist.