Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
AMP WinOFF - An utility for scheduling the Windows shut down with several modes (shut down, restart, hibernate, lock computer...)
Alinof Timer - Alinof Timer is a very easy to use timer for your Mac.
Shutter - Shutter is a feature-rich screenshot program.
CookTimer - CookTimer is a simple cross-platform countdown timer that helps when cooking, making tea or eggs.
Wise Auto Shutdown - Shut your PC down with this convenient and automatic PC shutdown tool.