SoundMate - Enjoy SoundCloud from your Mac's menu bar
Mixed in Key - Mixed In Key is award-winning DJ software that gives you the #1 technique of the world's best...
Tangerine - A beautiful full-screen SoundCloud player
beaTunes - Smart software for library management, music analysis, and playlist creation. For Windows and macOS.
NOISESUPPLY - Pandora for SoundCloud
Tunebat - A browser based song key and bpm database. Supplies compatible songs for harmonic mixing.