Soundiiz - Transferring playlists between various music streaming platforms.
Heartbeat - Listen to music with your friends together, on Spotify
Musconv - MusConv Tool is powerful music migration program.
Festify - Festify is a free Spotify-powered app that lets your guests choose which music should be played...
Tune My Music - Transfer Playlists Between Music Services
Join My Playlist - Listen to music live together with your friends in Spotify.