MKVToolnix - MKVToolnix is a set of tools to create, alter and inspect Matroska files under Linux, other Unices...
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
tsMuxeR - tsMuxeR update for 3D blu-ray (HD) DVD & Blu-ray authoring
foobar2000 - An advanced freeware audio player for the Windows platform.
MKVCleaver - MKVcleaver is a GUI (Graphical User Interface) for mkvtoolnix, designed to extract data from MKV...
Winamp - Winamp is a media player that allows users to play multiple-file formats, arrange media in a varied file-management system, and play unique media with AAC encoding.