Figure - Propellerhead creates world-class software products and services that inspire music makers and provide the foundation for a worldwide creative musical community.
Slackbox - Spotify playlist collaboration through Slack
keezy - A colorful soundboard. Play with music.
Playlist Machinery - Tools that help you create & organize your Spotify playlists
Splice - Music creation, collaboration, and sharing made simple.
Exportify - Export your playlists from Spotify