doubleTwist - Music Player for the Internet of Things. Described as the iTunes for Android, doubleTwist brings you music, radio and podcasts everywhere. Free download.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
iSyncr - iSyncr lets you sync iTunes playlists with your Android phone.
AIMP - AIMP : Free Audio Player : Официальный сайт программы
SYNCiTunes - Do you have an iPod, but you don't like to use ITunes for managing your audio files?
foobar2000 - An advanced freeware audio player for the Windows platform.