This web script allows maintaining a set of name/description pairs on a web page as a list of items that will automatically be cross referenced. Everyone can add to and edit. This was designed to keep track of all the TLAs floating around my company.
nflash is a perl/cgi script providing a easy to use and maintain way of posting news to a website. It is possible to create users being able to edit their own preferences and postings. There is a webinterface, comments, multilinguality, encryption.
The Web Teacher Evaluations are comprised of a Perl CGI script that allows students to grade/comment on teachers, plus a Perl HTML file containing most of the web pages. Only uses a flat-file DB at present, but interfacing with mySQL or postgreSQL is easy