MX Player - Powerful video player with advanced hardware acceleration and subtitle support.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
AIMP - AIMP : Free Audio Player : Официальный сайт программы
MPC-HC - MPC-HC, the free, open source media player for Windows. DownloadsNote. Supported Operating Systems: Windows® XP SP3 .
foobar2000 - An advanced freeware audio player for the Windows platform.
VPlayer - VPlayer - a free music player for VKontakte.