Koepi's XviD video codec. XviD is an ISO MPEG-4 compliant video codec. It's no product, it's an open source project which is developed and maintained by lots of people from all over the world.

x264 Codec является видео кодеком с открытым кодом, создаваемый как альтернатива DivX, MS MPEG-4 и другим видео кодекам, отличается отличным качеством и степенью сжатия видео сигналов, по некоторым тестам превосходит аналоги от знаменитых производителей.

ffdshow is a DirectShow filter and VFW codec for many audio and video formats, such as DivX, Xvid and H.264. Over 70 bugs have been fixed, codecs have been updated, and support for a few new formats has been added in the tryouts. Vista is now supported.

CoreAVC is a H.264 video codec created by CoreCodec. CoreAVC is based on the MPEG-4 Part 10 standard and is one of the codecs used in Blu-ray (BD) and in High Definition DVD (HD-DVD). AVC/H.264 is the next-generation standard for video, and CoreAVC is being recognized as one of the worlds most efficient H.264 video decoders. The efficiency of CoreAVC in software is often compared to be faster than other solutions that try to rely on 'hardware' to increase playback performance of H.264 video.

Lagarith is a lossless video codec. Lagarith offers excellent compression. Lagarith is able to operate in several colorspaces - RGB24, RGB32, RGBA, YUY2, and YV12. Also, Lagarith will never down-sample video, preventing inadvertent quality loss. For DVD video, the compression is typically only 10-30% better than Huffyuv. However, for high static scenes or highly compressible scenes, Lagarith significantly outperforms Huffyuv.

The DivX codec is the latest and greatest release of DivX, the best compression technology for high-resolution movies. The DivX codec is the standard for high quality video over IP networks because it hits the sweet spot between superior visual quality and small file size

Etymonix is pleased to announce the release of its flagship product, the SoftReel MPEG-2 video decoder version 2. Etymonix SoftReel is a faster than real-time MPEG-2 video decoder that has been optimized extensively for single-core and multi-core systems. It enables smooth high-quality playback of native MPEG-2 video files (MPG, VOB, DAT, M2P, M2V, MP2) and compatible AVI files ('EM2V' and 'PIM2' formats) up to HD 1920x1152 in Windows Media Player and other DirectShow-compatible applications.

Leiming's x264 GUI is an interesting GUI, very similar with x264 VFW.

Features of Leiming's x264 GUI :
- Very VFW-liked.
- Add awful number of files once.
- Support AVS Script preset, so using non-avs files as input is possible.
- Conditional double passes, estimating the right Q means finishing in only one pass.
- Support audio encoding and automated muxing.
- Support automated double passes.
- Support shutdown after jobs done.
- Support log recoding.
- Can work as an audio encoding GUI
- Bitrate calculated automated.

How to use Leiming's x264 GUI :

- You need to download the x264 Video Codec and extract the "x264" executable in "bin" folder.
- Then launch the "lmx264gui" executable from the same folder.

Видео кодек YUVsoft's Lossless Video Codec (YULS) был разработан для достижения максимального сжатия видеоизображений.

3ivx is an MPEG-4 toolkit that supports MPEG-4 Video, MPEG-4 Audio and the MP4 file format. 3ivx D4 4.5 allows video and audio to be compressed to a fraction of its original size while maintaining high image quality. You can store over 2 hours of near DVD quality audio and video on a single CD-ROM or stream near DVD quality video over a cable modem or DSL modem.