VLC (videolan) player

We all know that windows media player does not support many formats. VLC player is a popular cure to WMP playback issues. The recent version 2.0.1 support all popular Audio/Video formats.And best of all it is free and supports wide range of operating systems apart from windows
 

Windows

Get VLC for Windows

Mac OS X

Get VLC for Mac OS X

Get VLC for iOS

GNU/Linux

Get VLC for Debian GNU/Linux

Get VLC for Ubuntu

Get VLC for Mint

Get VLC for openSUSE

Get VLC for Gentoo Linux

Get VLC for Fedora

Get VLC for Arch Linux

Get VLC for Slackware Linux

Get VLC for Mandriva Linux

Get VLC for ALT Linux

Get VLC for Red Hat Enterprise Linux

Other OS

Get VLC for FreeBSD

Get VLC for NetBSD

Get VLC for OpenBSD

Get VLC for Solaris

Get VLC for Android

Get VLC for QNX

Get VLC for Syllable

Get VLC for OS/2