MKVToolnix

MKVToolnix is a set of tools to create, alter and inspect Matroska files under Linux, other Unices and Windows. They do for Matroska what the OGMtools do for the OGM format and then some.

Free Open Source Mac OS X Windows Linux BSD

Subler

Subler is a Mac OS X application that opens media containers, allows you to add or remove media tracks inside them, and then saves them out again.

Free Open Source Mac OS X

tsMuxeR

SmartLabs tsMuxeR – the software utility to create TS and M2TS files for IP broadcasting as well as for viewing at hardware video players (i.e., Dune HD Ultra, Sony Playstation3 and others).

Free Open Source Mac OS X Windows Linux

gotsent

Easy and Fast h264 .MKV to PS3 , XBOX 360 and iPad compatible MP4 and PS3 compatible M2TS/AC3 conversion. recoding to Xvid, mpeg2 and compatible h264 (with hardcoded...

Free Windows