Playlist Machinery - Tools that help you create & organize your Spotify playlists
HotMusic - HotMusic is the best music service to discover songs from your favourite genres RIGHT AFTER their...
Playlistor - Convert Apple Music playlists to Spotify and vice versa
Spotify - Map shows when two people play same song at same time
FreeYourMusic - Migrate from and to any music services
Jams On Toast - Delightful iOS music player, handcrafted for album lovers