SoundNode - SoundCloud desktop app (OS X, Windows, Linux)
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
SoundCloud - Enjoy music & follow favourite artists
Audioship - Upload audio to YouTube or Facebook