Let users post info on buying, selling, or trading items. Use countdowns to display the time remaining until a certain event. Create and process forms and send the data via e-mail. Entertaining games for your site. Guestbooks that visitors can sign.
Image map scripts to help simplify site navigation.
Add stories on your site that users can contribute to. Enable visitors to add links to your site. Enhance the mail capabilities of your server. Scripts that are difficult to categorize. Allows visitors to send postcards from your Website.