DVRBox allows you to edit dvr-ms files and convert them to xVid or x264. This is an all-in-one solution that will take you from a dvr-ms recording to an edited xVid or x264 format avi file.
TCVP is a modular player and encoder/transcoder for music and video. Various file formats and codecs are handled by dynamically loaded modules. It runs under Linux on multiple architectures, and should work on other Unixes.
Zunemytube is an IE plugin that allows you to download videos from youtube, google video in a format viewable in Windows Media player, Zune, Creative Zen, Archos, IRiver players. Watch a video, click the Zune icon to get wmv video in "My Videos".
Z Batch Helper-This program is designed to convert video files, including unencrypted VOB's, for use on a Zune. You are also able to group video files together to output into one WMV. REQUIRES WINDOWS MEDIA ENCODER 9 TO BE INSTALLED