MixZing Media Player - The MixZing Music Player for Android is simply the most advanced music player on any platform
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
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".
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.