XenonMKV has moved to GitHub and been rewritten. This version is no longer supported. Please visit https://github.com/jbillo/xenonmkv for the newest code.
This small and easy to use program is a GUI for FFmpeg allows you to easy convert video and audio using the x264 codec. x264 is one of the best video codecs when it comes to quality, filesize and speed. It means that x264ncoder can produce really great looking video with low filesize just in a few minutes!
This software uses code of FFmpeg licensed under the LGPLv2.1
http://ffmpeg.org