Wikipedia
MPlayer
MPlayer is a free and open-source media player. The program is available for all major operating systems, including Linux, and other Unix-like systems, as well as for Microsoft Windows. Versions for OS/2, Syllable, AmigaOS, MorphOS and AROS Research Operating System are also available. A port for DOS using DJGPP is also available. Versions for the Wii Homebrew Channel and Amazon Kindle have also been developed.