backup a DVD : AutoGK

burn VCD : cdrtfe

capture video : Virtual VCR

convert DVD into RealMedia : FilmShrink

convert a DVD to VCD or DivX : DVDx

convert AVI to MPEG : TMPGEnc

convert video files : AVI-Mux

display AVI file information : YAAI - Yet Another Avi Info

edit an AVI file : VirtualDub

edit video files : AviSynth

encode DivX/XviD : Gordian Knot

join/slice MPEG files : mpgtx

manage DVD collection : Ant Movie Catalog

play multimedia files : GPAC

play multimedia files : Vitessa

play multimedia files : Media Player Classic (MPC)

play multimedia files : MPlayer

play multimedia files : VLC media player

play multimedia files : xine

repair corrupt divx files : DivXRepair

rip a DVD : MediaCoder

rip a DVD into MPEG format : HandBrake

stream video files on the web : PeerCast

tag and upload creative commons video : ccPublisher

watch internet TV and Video shows : Democracy Player

Check out more free software : I want a Freeware Utility to ... 450+ common problems solved.

Suggestions/corrections : eConsultant : Blog Archive : I want Open Source Freeware