VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Muzzy - it’s a tiny and gorgeous iTunes companion that lives on your menu bar. For Mac OSX, its free!
AIMP - AIMP : Free Audio Player : Официальный сайт программы
Skip Tunes - Control iTunes, Spotify, or Rdio from your Mac's menubar
foobar2000 - An advanced freeware audio player for the Windows platform.
Plaaying - Share, control, and keep on Plaaying music on your Mac.