QTP (Quick Test Professional) is now known as Microfocus UFT. It is a commercial automation tool and supports an extensive range of test environments: Web, Desktop, SAP, Delphi, Net, ActiveX, Flex, Java, Oracle, Mobile, PeopleSoft, PowerBuilder, Siebel, Stingray, and Visual Basic, amongst others.
The scripting language is VBScript. The tool gels well with ALM (Test Management Tool) and LoadRunner (Performance Testing Tool).
Salient features of QTP include Business Process Testing, keyword-driven framework, XML support, robust checkpoints, and test results.