Clocks & Alarms

Timer
Sonoragraphics(Free)
Download
A chronometer for your Mac
Alarm Clock Pro
Koingosw(Trial version)
Download
Much more than just an alarm clock
Handy Clock
Voros Innovation(Paid)
Download
Realistic and Flexible Timekeeping Application for Personal Computers
Simple Floating Clock
Greg Weston(Free)
Download
Simple Floating Clock: A Handy Clock App for Mac
Event Reminder
Supermagnus(Free)
Download
Never forget important events
Alarm Clock
robbie-hanson(Free)
Download
Wake Up With Robbie-Hanson Alarm Clock
Focus Booster
Focus Booster(Free)
Download
A free program for Mac, by Focus Booster.
Alarm Clock for Desktop
Natalia Gavrylova(Paid)
Download
Alarm Clock for Desktop: A Convenient Desktop Alarm Clock
AnyTime
MEA Mobile(Paid)
Download
AnyTime - Add Multiple Clocks to Your Taskbar
iClock
Script Software(Trial version)
Download
iClock: Simple and intuitive clock for personal computers