Barcode Alarm Clock - Alarm clock that won't stop ringing until you scan a barcode
Alarmy - World's most annoying alarm app
Wake N Shake Alarm Clock - Wake up with a jolt of energy ready to get shit done.
Galarm - Social alarm clock and reminders
Alarm Buddy - Alarm Buddy is a fun alarm app that helps you wake up by playing simple, cute and engaging games.
Free Alarm Clock - Free Alarm Clock is a free, full-featured and user-friendly computer alarm clock for Windows.