Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Be Focused by XWaveSoft - Simple Pomodoro timer in your Mac's menu bar
Qbserve - Freelance time tracking, invoicing, and productivity improvement
Effortless - Stay focused and beat procrastination on your Mac.
Bonsai - One platform to streamline your entire business
Memory by Timely - An intelligent timeline of everything you did in a day.