MKVToolnix is a free tools collection that make you easier for creating, altering, and inspecting Matroska files under Linux, other unices, and windows. MKVToolnis able to processing matroska just like the OGMtools do for OGM format. With MKVToolnix you are able to obtain information about the mkvfiles, extracting tracks and data from matroska files and also creating a matroska files from other files format. Matroska is a new multimedia file format that aiming for becoming the new container format for the future ahead, you are able to find more information about matroska and its underlying technology at http://www.matroska.org