beaTunes - Smart software for library management, music analysis, and playlist creation. For Windows and macOS.
Magic Playlist - Get the playlist of your dreams based on a song
KeyFinder - Key estimation software for DJs
Spotalike - Spotify playlist with similar songs, according to Last.fm
Mixed in Key - Mixed In Key is award-winning DJ software that gives you the #1 technique of the world's best...
Playlist Machinery - Tools that help you create & organize your Spotify playlists