Magic Playlist - Get the playlist of your dreams based on a song
DeSo - DeSo is a new layer-1 blockchain built from the ground up to scale decentralized social applications to one billion users.
Spotalike - Spotify playlist with similar songs, according to Last.fm
Peepeth - Blockchain-powered Twitter with a soul.
Playlist Machinery - Tools that help you create & organize your Spotify playlists
Social Media Bee - Real-time social media monitoring. Secured by blockchain.