Barcode Alarm Clock - Alarm clock that won't stop ringing until you scan a barcode
Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
Alarmy - World's most annoying alarm app
SnapTimer - SnapTimer is a simple, free, portable countdown timer for Windows.
Toonie Alarm - Want to wake up on time and make your day brighter? Fancy getting rewards waking up?
Free Countdown Timer - Free Countdown Timer is a free, full-featured and user-friendly countdown timer for Windows