Free
Sleep Alarm Clock - The #1 Alarm Clock & Sleep Timer
A free program for Mac, by Pocket Bits LLC.
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Cool App for Time Keepers
Never forget important events
Workflow Timer - Manage your day more effectively for free!
An interactive almanac and world clock
A free stopclock app for your desktop
Track time spent on work and projects
A timer with alarms
Simple and intuitive clock for personal computers
The perfect app for anyone who struggles to focus on tasks
Tyme 2 - Track your time and sync across devices
Generic timed routine scheduling application