Soundbar - A lightweight SoundCloud player for Mac
The Eternal Jukebox - For when your favorite song just isn't long enough
BeardedSpice - BeardedSpice is a menubar application for Mac OSX that allows you to control web based media...
The Wub Machine - Turn any music into Dubstep, Drum & Bass, and more.
Cumulus - A SoundCloud player that lives in your menubar.
YOU.DJ - Mix SoundCloud music and Youtube videos live in your browser.