Create, editing and manipulate databases. Some great scripts for anything to do with calendar dates. Create and process forms and send the data via e-mail. Messaging forums that allow threaded discussions and topics. Guestbooks that visitors can sign.
Image map scripts to help simplify site navigation.
Libraries and modules to enhance CGI functionality. Enhance the mail capabilities of your server. Allows visitors to send postcards from your Website. Generate images and backgrounds at random on your Website. Send users to another page or Website.