GOM Media Player also known as GOM Player (Gretech Online Movie Player) is a freeware multimedia player that has the most popular audio and video codecs built in.
 
The formats that are being supported by GOM Player are the following: AMR, EVRC, Vorbis, QCELP - those are some of the formats supported for audio and for video codecs we can find: AVI, WMV, MS MPEG4 V1/2/3, FLV1, MJPEG, DivX, XviD, MPEG-1, MPEG-4, H263(+), H.264(AVC1), MSVIDC, ASF and many others.
 
You will love a special function of GOM Media Player that is being able to play .AVI files that are being downloaded or have a broken index by using its patended technology ( it is playing damaged file by skipping the damaged frames ).
 
It has a lot of other features that includes enhanced filter rendering, overlay mixer, real time index rebuilding for .AVI files, HTTP streaming, drag and drop support, editable skins, subtitling ( Bitmap Sub/Idx(Vobsub), embedded subtitles of ASF, MKV, OGM - unicode text subtitles, SAA, ASS, SAMI(smi), SubRipText(srt), MicroDVD(sub), SMIL/RealText ) and many other functions. Coming with version 2.1.9.3753 the problem with video/audio sync for certain MKV files has been fixed.