SoundNode - SoundCloud desktop app (OS X, Windows, Linux)
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Cumulus - A SoundCloud player that lives in your menubar.
foobar2000 - An advanced freeware audio player for the Windows platform.
SoundCloud - Enjoy music & follow favourite artists
Winamp - Winamp is a media player that allows users to play multiple-file formats, arrange media in a varied file-management system, and play unique media with AAC encoding.