easily create calendars for news, events, outings, parties, scheduling, appointments
Create/manage affiliates or advertising campaigns and analyze abandoned shopping carts
Add the Save Area to PDF block to generate a pdf file of the entire area in which it is added.
A bump-in 'Site Feedback' form template. Example code from a how-to on extending block behavior by using templates. Easily repurposed to put anything in a fancybox.