DivX Video 5.2.1 for Windows
http://www.divx.com/divx/
For Windows 2K/XP
http://download.divx.com/divx/DivX521XP2K.exe (7.4 MB)
http://download.divx.com/divx/DivXPro521XP2K.exe (7.2 MB)
http://download.divx.com/divx/DivXPro521.exe (5.8 MB)

For Windows 98/ME
http://download.divx.com/divx/DivX521ME98.exe (7.3 MB)
http://download.divx.com/divx/DivXPro521ME98.exe (7.1 MB)
http://download.divx.com/divx/DivXPro521.exe (5.8 MB)

http://download.divx.com/divx/drdivx/DrDivX106.exe (9.1 MB) - Dr. DivX 1.0.4 for Windows

Nic's XviD Codec 16-07-03
http://nic.dnsalias.com/xvid.html
http://nic.dnsalias.com/XviD_Install.exe (365 KB)
http://nic.dnsalias.com/XviD-Dec.exe (139 KB) - XviD DirectShow Decoder Only
uManiac's XviD Codec 17.07.2003.1100 Alpha
http://umaniac.leffe.dnsalias.com/
http://umaniac.leffe.dnsalias.com/a...7.2003.1100.exe (353 KB) - standard XviD package with help.
http://umaniac.leffe.dnsalias.com/s...2.2003.1100.exe (147 KB) - latest stable build
Koepi's XviD Codec build 1.0.2
http://www.koepi.org/xvid.shtml
http://www.koepi.org/XviD-1.1.-127-06112004.exe (631 KB)
http://www.koepi.org/XviD-1.0.2-29082004.exe (621 KB)- latest stable build
OggDS DirectShow Filters v0.9.9.5
http://tobias.everwicked.com/oggds.htm
http://www.vorbis.com/files/1.0/tobias/OggDS0995.exe (464 KB)
AC3Filter (DirectShow AC3 Decoder filter 0.70b)
http://ac3filter.sourceforge.net/
http://sourceforge.net/project/show...lease_id=150532
http://switch.dl.sourceforge.net/so...ilter_0_70b.exe (295 KB)
3ivx Delta 4 v4.5.1 (for playing all DivX/XviD videos)
http://www.3ivx.com/
http://www.3ivx.com/download/windows.html
http://mirror2.3ivx.com/3ivx_d4_451_win.exe (1.1 MB)
ffdshow 20030523 alpha - decoder for MPEG-1, MPEG-2, MPEG-4(DivX/XviD) and Windows Media video
http://cutka.szm.sk/ffdshow/index.html
http://sourceforge.net/project/show...?group_id=53761
http://switch.dl.sourceforge.net/so...ow-20030523.exe (668 KB)
http://switch.dl.sourceforge.net/so...ow-20020617.exe - latest stable build
http://athos.leffe.dnsalias.com/ ?
Microsoft Media 9 Series Codecs Package
http://www.microsoft.com/windows/wi...ecdownload.aspx
http://download.microsoft.com/downl...4/WM9Codecs.exe (1.4 MB) Windows XP/Server 2003
http://download.microsoft.com/downl...WM9Codecs9x.exe (1.2 MB) Windows 9x
Microsoft Windows Media Video 9 Video Compression Manager (VCM)
http://www.microsoft.com/windows/wi...codecs/vcm.aspx
http://download.microsoft.com/downl...mv9VCMsetup.exe (678 KB)
Elecard-Moonlight MPEG2 Video Decoder v2.0 build 2510 beta (trial version)
http://www.elecard.com/
Includes Moonlight Odio Dekoda DirectShow filter for Audio Layer 2/3/AC3/LPCM (mlcom.ax) and
WinDivXdecoder for div3/div4/mp43/mpg4 Video (minidivx.ax)
http://www.elecard.com/download/
http://www.elecard.com/ftp/pub/mpeg...r/EMpgDec20.zip (768 KB)
http://www.moonlight.co.il/download/?dl=mpeg2decoder
http://www.moonlight.co.il/download/EMpgDec20beta.zip

DivX ;-) MPEG4 Codec v3.11 alpha
http://downloads.planetmirror.com/p...x_3.11alpha.zip (700 KB)
Fraunhofer Radium MP3 codec v1.263
http://download.dvd.box.sk/download...um_mp3_1263.rar (884 KB)
Morgan M-JPEG codec v3.0.0.9
http://www.morgan-multimedia.com/
http://www.morgan-multimedia.com/download/m3jpegv3.exe (437 KB)

Other

DirectVobsub 2.23
http://www.afterdawn.com/software/v...ools/vobsub.cfm
http://www.afterdawn.com/software/d...id=382&mirror=0 (717 KB)
DivX AntiFreeze 0.4 http://www.tac.ee/~prr/videoutils/divxaf.html
http://www.tac.ee/~prr/videoutils/DivXAF.0_4.zip
GraphEdit 9 build 021204 (inculded in DirectX 9 SDK)
http://microsoft.com/downloads/deta...&displaylang=en
http://www.doom9.org/Soft21/Audio/graphedit.rar (260 KB)
http://www.filemirrors.com/search.s...hedit011008.zip (430 KB)
lots of different video codecs

some codecs

VCSwap The Tool for Hot Swapping Video Codecs.

reg-tweak can disconnect unnecessary DirectShow filters

AVIcodec get information on video & audio codecs used in AVI, ASF & WMV, Real (.rm, .rmvb), Ogg (.ogg, .ogm), Mpeg-(S)VCD-DVD (.mpg, .vob)

GSpot to get info on codecs used in avi and other files

MovieID to get info on many video formats