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.

Buddy Punch - Cloud based time tracking, scheduling, and payroll solution that streamlines payroll for small and mid-sized businesses. Employees can punch in on their desktop or mobile devices.

Clockify - Simple and free time tracker. Perfect for small and mid-sized businesses as well as freelancers. Unlimited projects and users, unlimited productivity. Get all the premium functionalities, completely free.

ClockShark - The simplest way to track, schedule, and manage your crew's time. Built for local construction, field service, and franchises

Time Doctor - Time Tracking and Time Management Software that is accurate and helps you to get a lot more done each day.