Linux Media - Instructions and scripts allowing ripping DVDs to Divx with mencoder (mplayer). - http://dvdripping-guid.berlios.de/
Ogle DVD Player - Gives you access to the full potential of DVDs with navigation under Linux, FreeBSD, NetBSD, OpenBSD and Solaris. - http://www.dtek.chalmers.se/groups/dvd/
Margiplayer: DVD player for Margi Decoder Card - Margiplayer is a simple linux application that controls the playback of a DVD on a TV (no on screen display) through the Margi Decoder Card. - http://pont.net/margiplayer
VideoLAN - Software MPEG2 Solutions - VideoLAN is a project of students from the École Centrale Paris which aims to broadcast video on the campus, it will support streams from a satellite, a DVD or an MPEG2 compression card. - http://www.videolan.org/