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.
Trakstar Performance Management - Trakstar Performance Management is a top-notch solution that makes it easy for companies worldwide to strengthen their people.
ManicTime - Track your computer usage and use collected data to accurately tag time.
Synergita - Employee Performance Management Software
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
Crewmojo - Performance management that doesn't suck.