RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
Be Focused by XWaveSoft - Simple Pomodoro timer in your Mac's menu bar
Timepal Pro - A timer that tracks your time automatically
Effortless - Stay focused and beat procrastination on your Mac.
Smarter Time - Automatically measure, analyze and improve your use of time
Memory by Timely - An intelligent timeline of everything you did in a day.