Flash Project Timer is a tool that will help you keep track of hours worked on your projects. To use, click on the world icon, enter in a new project, hit enter, and then click the green play button to start timing. You can add as many projects as needed and choose them from the drop down that appears when you click the world icon. The timer also minimizes to the system tray.

The license of this software is Freeware, you can free download and free use this project management software.