Be Focused by XWaveSoft - Simple Pomodoro timer in your Mac's menu bar
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.
Effortless - Stay focused and beat procrastination on your Mac.
Hours - Boosting productivity through live, virtual co-working.
Memory by Timely - An intelligent timeline of everything you did in a day.
Futuramo Time Tracker - Futuramo Time Tracker is a time tracking solutions designed for freelancers and teams.