K-Lite Codec Pack - K-Lite Codec Pack is a collection of codecs, DirectShow filters and tools.
FFmpeg - Open source multimedia suite for conversion, playback, profiling, and streaming.
CCCP: Combined Community Codec Pack - The CCCP: Combined Community Codec Pack is a codec pack specifically built for playing videos (including mkv).
FLAC - A free, open source codec for lossless audio compression and decompression
AC3Filter - AC3Filter is a high quality free audio decoder and processor filter.
Matroska - The Matroska Multimedia Container is an open standard free container format, a file format that can...