CueBot - A better way to request for songs at a party 🎉
Shared Spotify - Find the common songs you have between friends
cueued - A service to demauxratize your Spotify music
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