PeekaBeat - Turn your selfie into Spotify playlist 🎶
Playlist Machinery - Tools that help you create & organize your Spotify playlists
Exportify - Export your playlists from Spotify
Party Blends - A way to blend your friends favourite tracks into one Spotify playlist.
Lazyset - A Spotify playlist mixing Facebook Messenger bot
DiscVibe - Create personalized and contextualized Spotify playlists