TimeLeft - TimeLeft is a versatile desktop utility - it can be used as a countdown clock, reminder, clock...
Orzeszek Timer - Integrated with the basic and recommended features only, Orzeszek Timer is the name of a simple but highly elegant countdown timer for the Windows operating systems.
Final Countdown - Final Countdown is a simple countdown timer just like sleeper timer on your TV that will work despite the fact your PC is powered off.
Desktop Countdown Timer - Desktop Countdown Timer is a free to use countdown timer for the desktop environment of the Windows.
yTimer - yTimer is a multi-functional countdown timer for all editions of Mac OS X and Windows operating systems.
Snipping Tool - Use Snipping Tool to capture a screen shot, or snip, of any object on your screen, and then annotate, save, or share the image