SoundNode - SoundCloud desktop app (OS X, Windows, Linux)
BeardedSpice - BeardedSpice is a menubar application for Mac OSX that allows you to control web based media...
Cumulus - A SoundCloud player that lives in your menubar.
Atavi - Your bookmarks are always close at hand!
SoundCloud - Enjoy music & follow favourite artists
Dropmark - Drop files right from your computer, or the web, to create organized collections—bringing together information like never before. Invite friends or co-workers to collaborate and edit your Dropmarks in real-time.