Package info web pages?

I've noticed on the Debian homepage how every package has a neat little webpage, all to itself.  I'd like to do something similar for my local Debian repository at work.  What software do I use to generate those package-specific pages? KP

link to sarge installation manual

Hello. The following link doesn't work: http://d-i.alioth.debian.org/manual/ I don't know whether or not somebody is already working on it, but I thought I report it. Thanks. Kit