Chrometa is #10 in Top 14 Time Trackers
Track Your Time - Without Notes or Timers. Let Chrometa automatically capture and categorize your time for you. Chrometa captures every minute of your time as you work on your PC and/or Mac. It acts as your personal timekeeper by recording how long you are working in an application, specifically noting what file or email you are working on, creating a time entry for you.
Positions in ratings
#10 in Top 14 Time Trackers
The best alternatives to Chrometa are: RescueTime, Harvest, Toggl