VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Emit - Emit can stream from a Windows/Mac/Linux machine to an android/iOS device.
AIMP - AIMP : Free Audio Player : Официальный сайт программы
VPlayer - VPlayer - a free music player for VKontakte.
foobar2000 - An advanced freeware audio player for the Windows platform.
Vinyl Music Player - A fork of Phonograph Music Player that "makes all Pro features free, as they used to be".