Derik Lehmann
Derik Lehmann reviewedTMetricUser-friendly timetracker for freelancers and teams
 RecommendedPros: 

Goole Calendar, Google docs integration

Clean and fast interface

integration with issue trackers

Cons: 

Sometimes breaks

We have used it for 6 month, we were looking for a tool to increase the efficacy of our time tracking and productivity, and TMetric turned out to be perfect! It's ingrained in our daily routine now. Highly recommended!

Derik Lehmann has used this product for one year.