Tyme - Timers Manager - TM-Manager Windows application for monitoring and updating TimeMachines clock products.
Talalarmo - Minimalistic android alarm
Alarm Clock Xtreme - Alarm Clock Xtreme: Alarm, Stopwatch, Timer (Free) is the most popular alarm clock app created and published by AVG Labs for both iOS and Android devices.
Insane Alarm - Wakes you up no matter what! Features - obscenely loud blaring emergency alarm sound.
iSleep - iSleep features a sleep timer coupled with an optional Alarm Clock for iTunes and DVD Player.
Free Alarm Clock - Free Alarm Clock is a free, full-featured and user-friendly computer alarm clock for Windows.