Lifeliqe - Visual learning app with 1,000 interactive 3D models
Magic Playlist - Get the playlist of your dreams based on a song
SA Anatomy - Study human & animal anatomy with advanced 3D models
Spotalike - Spotify playlist with similar songs, according to Last.fm
Anatomyka - Interactive 3D human anatomy
Playlist Machinery - Tools that help you create & organize your Spotify playlists