If you're not sure what CGI is, click here for some general information. In order to use CGI programs, your server must be configured to support them. Check with your system administrator as to whether or not you can use them, and if so, where your cgi-bin programs must be placed. There are no demos are avalible for the scripts, but they are keen to help if you have any problems setting them up. There is also a handy search form to search their index.
Demos are avalible where possible.
No help is avalible from the webmaster about instalaton problems, but the he has set up a 'self-help forum' for people wishing to post problems to other users of the scripts. If you are new to CGI then this is one of the best places to start. This is one of the most popular CGI webpages on the internet. Best viewed with a Netscape or MSIE browser and a screen res.