Momixa - Pick two songs and get the perfect mix
Magic Playlist - Get the playlist of your dreams based on a song
Liveset Database - Database site with tracklists from Dj sets
Spotalike - Spotify playlist with similar songs, according to Last.fm
1001 Tracklists - The world's leading DJ tracklist database ♫ best free mixes, club + festival livesets with playlist ♫ hot EDM songs, fresh charts, news & more
Playlist Machinery - Tools that help you create & organize your Spotify playlists