TMetric is a work time tracker for freelancers, agencies, and companies. Light interface with great control over time intervals and projects' budgets. Flexible billable rates and crystal clear reporting. Transparent team monitoring and lots of integrations.
Key features:

TMetric is aimed to make you focused and productive throughout your work day.

-Visual timeline shows the day at a glance.
-Activity tracking lets you know what exactly took your time.
-Browser add-ons let you track task from other web apps in one click.
-Autocomplete for repeated tasks saves you time.

TMetric is an excellent billable time tracker which helps you to track every minute of your billable time. But it's a money tracker too.

-Setup billable rates per account, project, or team member.
-See how much you earn with every project and client.
-Use multiple currencies to work with international clients.
-Setup cost rates for a team and see how much you pay your employees.

TMetric provides you with great control over your team's work. No manual time reporting required.

-Bring together on one screen timelines of your team.
-Track tasks assigned to team members.
-See an average work intensity of any employee through the day.
-Edit time records for any team member, if necessary.