CSMonkey TV Remote is a desktop TV remote for Linux. It's simple, easy-to-use and customizable. You can start TV and change channels. Uses Sun Java. http://tvremote.sourceforge.net
PonkTV is a P2P media server for the TV. It allows downloading of various media (music, videos, flash, web pages, games, and programs) from P2P and web servers for viewing on a TV and controlled by a TV remote.