Timing - Timing is the best way to keep track of the time you spend with your Mac.
Clocks - A minimal world clock app for your Mac's menubar
Time 2 - Stay focused and crush procrastination
Clocker - Keep track of people in different time zones
Time Tracking for Freelancers - A simple, fully integrated time tracker for freelancers
144blocks - Colorful way to track your time! Inspired by Wait But Why