You might want to download the full QDevSuite package or the DemoZone application, for free, to check it all out yourself and see that there is much more in it! For an overview of just the most important features you go to the Features page. For an overview of the controls you go here.
Convince yourself in the DemoZone
The DemoZone is just an application that you download and run on your PC. It brings you a quick look on what is going on in the QDevSuite.