Site do projeto: http://xbmc.org/ 

Instalando no Ubuntu:

sudo apt-get install python-software-properties pkg-config 

sudo add-apt-repository ppa:team-xbmc 

sudo apt-get update 

sudo apt-get install xbmc xbmc-standalone 

sudo apt-get update

Verbete: XBMC Media Center (formerly named XBox Media Center) is a free and open source cross-platform media player and home entertainment system software with a 10-foot user interface designed for the living-room TV. Its graphical user interface allows the user to easily manage video, photos, podcasts, and music from a computer, optical disk, local network, and the internet using a remote control