Soundiiz - Transferring playlists between various music streaming platforms.
ODJO - DJ music mixer. play, mix, record & share
Musconv - MusConv Tool is powerful music migration program.
BeDJ - Marketplace of detailed mixing instructions to DJ sets
Tune My Music - Transfer Playlists Between Music Services
Playlistify - Make Spotify playlists from 1001tracklists & setlist.fm sets