Timeduty.com

Timeduty is a timesheet system that is powerful, yet easy to use with functions like time reporting and expense tracking. It is offered as an online subscription service, which means your company can be up and running immediately, with no investment in hardware, software, or other 3'rd party licenses.
The timesheet system is ideal for small to medium-sized companies that need to have detailed information on who spends time and what they are doing in the projects and as a basis for billing customers.
Users can easily report time divided on the projects and activities that are registered and at the same time has an excellent overview of the previous reported activities. Since the timesheet can be viewed both on a daily but also on a weekly basis it is really simple for the user to get an overview of all time registered.