/Favorites - Slick player for Soundcloud favorites
Playmoss - Create playlists from YouTube, Vimeo and SoundCloud
DaftCloud - DaftCloud is a free and wonderful designed SoundCloud App for macOS.
Playlist Machinery - Tools that help you create & organize your Spotify playlists
Hermes - Pandora Client for OS X
Tune My Music - Transfer Playlists Between Music Services