Website: http://apps.einsof-haras.ca/
Downloads: http://apps.einsof-haras.ca/downloads/ or http://code.google.com/p/mkvcleaver/downloads/list
There are no more ZIP packages to download and I couldn't extract the offered installers.
Also:
Originally idea came to me from using OGMcleaver by Tamas Kurucsai. However it would not work with new MkvToolNix releases. So I decided to write my own. As it progressed, more features were added, I wanted it to be mostly the only tool I would need when extracting data from MKV files.