MPlayer: Open Source, Media Player (application software), Operating System

Xbox Media Player: XBMC, Feature Rich, Open Source, Player (Application Software),

XBMC: Free and Open Source Software, Cross Platform, Media player (Application Software)

Xpaint: X Window System, Image Editing, Open Source, Free Software, Operating System

Audacious Media Player: GUI, Free Software, Player (application software), POSIX