After nearly 13 years of development version 1.0 of VLC media player has been released in July 2009. What started as an academic project became one of the most powerful media players available today.
VLC is available for multiple operating systems such as Windows, Mac OS X, Linux and BeOS. If you want to play your different audio and video files with just one player, VLC is a must have. A complete feature overview can found here
Unless you load one of the many available skins, the application by default comes with very lean interface and it’s FREE
You can download the VLC Media Player here
More information about the VLC media player
and here’s an article about why the VLC media player has a cone as logo