HotMusic - HotMusic is the best music service to discover songs from your favourite genres RIGHT AFTER their...
MusicTwin Finder - Find your MusicTwin by your Spotify playlists in 5 seconds.
Tune My Music - Transfer Playlists Between Music Services
SoundCloud Charts - The most played tracks on SoundCloud this week
Playlist Machinery - Tools that help you create & organize your Spotify playlists
Spotify - Map shows when two people play same song at same time