PeekaBeat - Turn your selfie into Spotify playlist 🎶
Poolsuite™ - The super-summer music player
Party Blends - A way to blend your friends favourite tracks into one Spotify playlist.
Tiny Mix - NPR Tiny Desk — mixed up, one song at a time.
Slackbox - Spotify playlist collaboration through Slack
Magic Playlist - Get the playlist of your dreams based on a song