Timing - Timing is the best way to keep track of the time you spend with your Mac.
WiseTime - Web-based automatic time tracking software
Time 2 - Stay focused and crush procrastination
OutlookTime - OutlookTime is a time tracking system that turns Outlook into a timesheet system.
Time Tracking for Freelancers - A simple, fully integrated time tracker for freelancers
Minutes - Minutes - Automatic efficient time tracking and time accounting software for lawfirms