Someone here was asking for a Tag Cloud script for their site but now the post disappeared.

I did a quick search and it looks like there are many, add "perl" or "cgi" to your search if you need a perl script.
http://www.ask.com/web?q=php+program...+cloud%22+free

Here's one I found that's free
http://www.sanusart.com/php.php
Here's the script, this link may be old so go to the guy's main page
http://www.sanusart.com/php/FREEsimplePHPtagCloud.zip

Keywords free tag cloud script cgi php perl programming programmer program tags link links