Mac time tracker that tracks both productivity and work hours automatically by intelligently observing active sites and apps.
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.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
ManicTime - Track your computer usage and use collected data to accurately tag time.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
TimeCamp - Simple and robust time tracking app to help you stay on the same page with your team while working from home.
Hubstaff - Hubstaff time tracking software helps remote managers see what their workers are doing and track time to specific projects.