Effortless - Stay focused and beat procrastination on your Mac.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Memory by Timely - An intelligent timeline of everything you did in a day.
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.
Pulse.red - A powerful time tracker for those who appreciate simplicity
Pomodone - Pomodone is the easiest way to track your workflow using Pomodoro technique, on top of your current task management service.