With regards to web-based applications, FraudFox fits in perfectly in the testing phase. This means that each FraudFox copy is customizable and can be personalized according to your needs. Not only that, the best benefit of it being a virtual machine is that it is open to software installation and addons.
It also comes with CCleaner to be able to delete and manipulate cookies.
It is a VM which includes modified versions of flash and Firefox browser along with other apps such as SocksCap64 and Proxifier in order to be able to setup IP and socks. FraudFox is the all-in-one tool for user-agent and device spoofing and perhaps the most advanced and fully detailed virtual machine on its class ever created.