Lazyset - A Spotify playlist mixing Facebook Messenger bot
Spotify.me - Beautiful analytics on your Spotify listening habits 🎧
Party Blends - A way to blend your friends favourite tracks into one Spotify playlist.
Magic Playlist - Get the playlist of your dreams based on a song
PeekaBeat - Turn your selfie into Spotify playlist 🎶
SpotMenu - Spotify and iTunes in your macOS menu bar