HAM radio logging, QSL handling and printing tool, especially made for the short wave DXer, made by a DXer.
Application for planning and communicating the activities of a club.
Book database software: catalog your books.
Track and easily bid on auctions, or place timed snipe bids for later.
Amazon-enabled home inventory system for books, movies.
Take regular breaks and look away from your computer.
Monitor any iPhone/iPad/iPod Touch app use and status.
Scales ingredient amounts in recipes for bigger or smaller servings.
Turn your Mac into the ultimate home theater system.
Keep track of applications' serial numbers.