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
SpotiMy - Play/Pause and Next/Previous functions for Spotify directly on your Menu Bar!
foobar2000 - An advanced freeware audio player for the Windows platform.
Tabler - Admin panel made simple