XMLTV is a set of programs to obtain and process TV (tvguide) listings and manage your TV viewing. It stores the listings in an XML-based format and most of the programs are filters which read and/or write XML. It includes tools to obtain, sort, grep, print, and munge listings, and two end-user programs to plan a week's TV viewing.
XBMC Media Center (formerly Xbox Media Center) is a multimedia player/jukebox application for Linux, Mac OS X, Windows, and Xbox. It can be used to play or view most common video, audio, and picture formats such as MPEG-1/2/4, DivX, XviD, MP3, AAC, JPG, and GIF directly from a CD or DVD in the Xbox DVD-ROM drive or from the Xbox hard drive. XBMC can also stream files over a local network or from the Internet. Playlist and slideshow functions, a weather forecast, and many audio visualizations are also included.
The TOXTOX browser is a Mozilla-based browser for your television. Packed with features, it will provide a real multimedia experience for your bedroom or living room while its controls remain easy and accessible with a keyboard or a remote control. With built-in support for Jabber/XMPP, it will be a platform for new and innovative social and interactive media. It can be customized by installing user-contributed addons and themes.