DivX ;-) MPEG4 Codec release 3.11 alpha
Win2k / Win95 / Win98 / WinME / WinNT
Works beautifully with VirtualDub.
Note! You should definately install DivX Codec v6.x as well -- it supports multiple new features and isn't in alpha stage anymore.
divx codec encode decode movies
1License and operating system information is based on latest version of the software.