SoundNode - SoundCloud desktop app (OS X, Windows, Linux)
Cumulus - A SoundCloud player that lives in your menubar.
BeardedSpice - BeardedSpice is a menubar application for Mac OSX that allows you to control web based media...
SoundCloud - Enjoy music & follow favourite artists
Atavi - Your bookmarks are always close at hand!
Sleeve - Your currently playing track displayed right on your desktop