VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Rich Media Player - Rich Media Player is a multifunctional media player that in addition to playing media files uses for various other purposes as well.
AIMP - AIMP : Free Audio Player : Официальный сайт программы
RV - RV is a cross-platform, real-time, film resolution, high dynamic range, image and sequence viewer.
foobar2000 - An advanced freeware audio player for the Windows platform.
MPCSTAR - MPCSTAR is an all-in-one package containing a system for video playing, audio playing and lots of codecs.