I'm pleased to say that Context Free has finally landed in Debian unstable: http://packages.debian.org/sid/contextfree. It took me far too long, but hey, it's there! If you want to mention this on the download page, please go ahead

I wrote a little manpage as well, so if you want to, you can take it from the Debian package.
And since Ubuntu synchronizes with Debian, this means that it will probably get into the next version of Ubuntu as well.
Cheers, and thanks for a wonderful program!
Bram