Real Alternative – codec pack created for playing RealMedia files in Windows operating system without using the player RealPlayer. Real Alternative can work together with any Media using DirectShow, such as the player, Media Player Classic (which is part of the full version of the package).

Win7codecs – a set of audio and video codecs from the developers of Vista Codec Package, designed for installation in Windows 7. The package is an automated tool designed to set the major codecs and decoders.

Vista Codec Package – large free collection of codecs to play all kinds of video (audio) files, and filters for work with video. Recommended primarily as a supplement to the operating system, Windows Vista, but works with Windows 2000, XP, 2003.

K-Lite Codec Pack 64-bit – this is a set of DirectShow filters for 64-bit operating systems Windows XP/2003/Vista. It can be used for playing multimedia on various 64-bit players (such as Vista Media Center). This kit can be used in conjunction with conventional (32-bit) package K-Lite Codec Pack.

K-Lite Mega Codec Pack – the most complete free pack of codecs, DirectShow filters and tools associated with them. Codecs and filters are needed for encoding and decoding various audio and video formats.

K-Lite Codec Pack – a free pack of codecs, DirectShow filters and tools associated with them. Codecs and filters are needed for encoding and decoding various audio and video formats.

Codec – a special computer program that performs the transformation of data stream or signal for their subsequent use. Codecs can both stream and encode the signal (for the transmission, storage or encryption), and decode – to view or change the format more appropriate for these operations.