Hi there.

I'm looking for a good webhost that supports CGI programs aswell. (preferred a free host). Who knows some URL for me, or has some good advice?

Pretty much any host here has support for CGI (or at least should in this day and age). As for free, you might be in the wrong part of town for that. try...

http://www.freewebspace.net/forums/

you'll probably have more luck there

Greg Moore