Player:
Media Player Classic [version 6.4.9.1 rev. 53]
ffdshow:
ffdshow [revision 1980 ]
ffdshow VFW interface
extra plugins
DirectShow video decoding filters:
XviD [version 1.2.0-dev build 2008-01-10]
DivX [version 6.8.0.0]
On2 VP6 [version 6.4.2.0]
On2 VP7 [version 7.0.10.0]
MPEG-2 (Cyberlink) [version 8.1.0.1608]
MPEG-2 (Gabest) [version 1.0.0.4]
MPEG-1 (MainConcept) [version 1.0.0.78]
DirectShow audio decoding filters:
AC3/DTS/LPCM (AC3Filter) [version 1.46]
Vorbis (CoreVorbis) [version 1.1.0.79]
AAC (MONOGRAM) [version 0.9.5.0]
DirectShow audio parsers:
MusePack (MONOGRAM) [version 0.9.1.2 | 0.3.1.2]
WavPack (CoreWavPack) [version 1.1.1]
FLAC (madFLAC) [version 1.8]
Monkey's Audio (DCoder) [version 1.0]
OptimFROG (RadLight) [version 1.0.0.1]
DC-Bass Source [version 1.1.1]
AC3/DTS Source (AC3File) [version 0.5b]
AMR (MONOGRAM) [version 1.0.1.0]
DirectShow source filters:
AVI splitter (Gabest) [version 1.0.0.9]
AVI splitter (Haali Media Splitter) [version 1.8.122.18]
MP4 splitter (Haali Media Splitter) [version 1.8.122.18]
MP4 splitter (Gabest) [version 1.0.0.4]
Matroska splitter (Haali Media Splitter) [version 1.8.122.18]
Matroska splitter (Gabest) [version 1.0.3.0]
Ogg splitter (Haali Media Splitter) [version 1.8.122.18]
Ogg splitter (Gabest) [version 1.0.0.1]
MPEG PS/TS splitter (Gabest) [version 1.0.0.4]
MPEG PS/TS splitter (Haali Media Splitter) [version 1.8.122.18]
FLV splitter (Gabest) [version 1.0.0.4]
CDXA Reader (Gabest) [version 1.0.0.2]
DirectShow subtitle filter:
DirectVobSub (a.k.a. VSFilter) [version 2.38]
DirectVobSub (a.k.a. VSFilter) [version 2.33]
Other filters:
Haali Video Renderer [version 1.8.122.18]
VFW video codecs:
XviD [version 1.2.0-dev build 2008-01-10]
DivX [version 6.8.2.6]
x264 [revision 839]
On2 VP6 [version 6.4.2.0]
On2 VP7 [version 7.0.10.0]
Intel Indeo 4 [version 4.51.16.2]
Intel Indeo 5 [version 5.2562.15.54]
Intel I.263 [version 2.55.1.16]
huffyuv [version 2.1.1 CCE Patch 0.2.5]
YV12 (Helix) [version 1.2]
ACM audio codecs:
MP3 (Fraunhofer) [version 3.4.0.0]
MP3 (LAME) [version 3.97]
AC3ACM [version 1.4]
Vorbis [version 0.0.3.6]
DivX ;) Audio [version 4.2.0.0]
Real Alternative:
RealMedia codecs [version 6.0.14.806]
RealMedia plugin for Internet Explorer
RealMedia plugin for Firefox/Mozilla/Netscape/Opera
RealMedia DirectShow splitter [version 1.0.1.2]
Tools:
Codec Tweak Tool [version 2.2.7]
GSpot Codec Information Appliance [version 2.70a]
MediaInfo Lite [version 0.7.7.1]
VobSubStrip [version 0.11]
GraphEdit [build 061102]
Haali Muxer
FourCC Changer
Bitrate Calculator

Changes from K-Lite Mega Codec Pack 3..9.0 to K-Lite Mega Codec Pack 3.9.5 :

Updated Media Player Classic to version 6.4.9.1 rev. 53
Updated ffdshow to revision 1980
Updated Cyberlink MPEG-2 decoder to version 8.1.0.1608
Removed CoreAAC
Added MONOGRAM AAC decoder version 0.9.5.0
Removed CDDA Reader
Updated x264VFW to revision 839
Updated RealMedia components to version 6.0.14.806
Updated MediaInfo Lite to version 0.7.7.1
Minor changes

Important Note :

The K-Lite Mega Codec Pack works only on Windows 2000/XP/2003/Vista.