Free Alarm Clock - Free Alarm Clock is a free, full-featured and user-friendly computer alarm clock for Windows.
My Own Clock - Wooden gear clocks, clock kits, and do-it-yourself clock plans. These original all-wood clocks are functional, attractive, and fun!
Gnome Clocks - Clock application designed for GNOME 3
Talalarmo - Minimalistic android alarm
AlarmDJ - Online Alarm Clock - Use YouTube videos or MP3 files as alarm sound. Works offline.
Awaken - Wake up to Awaken playing your favorite music.