AlarmDJ - Online Alarm Clock - Use YouTube videos or MP3 files as alarm sound. Works offline.
Alarmy - World's most annoying alarm app
T-Clock Redux - T-Clock Redux in an enhanced fork of Stoic Joker's T-Clock 2010 with ISO week number support...
Wake N Shake Alarm Clock - Wake up with a jolt of energy ready to get shit done.
ClocX - ClocX - freeware analog clock for Windows desktop with many features like calendar, alarms, skins, antialiasing and transparency.
WalkMe - WalkMe is a game-changing platform that instantly simplifies the online user experience.