Time Sheet -
Collect and gather all your work times easily and fast. With the help of this tool you are capable to distinguish between different customers and different projects. It was never easier - just press start, break or stop. You can configure email addresses associated with customers or with projects. They will get your time-sheets right as an email which they can direct use with Microsoft Excel or Apple's Numbers.
With filters, you can check the hours of a certain time window and make sure you are still in your budget.
An important tool not only for freelancer but also for any kind of employee who want or need to check this times on an easy way.