Bindows
Bindows™ is a Graphical User Interface Toolkit for writing rich client side web applications with the look, feel and behavior of modern Windows™ applications. Bindows applications are lightweight applications with zero footprint which means no installation required.
To view Bindows™ in action view one of the samples or try out the forum.
If you want to learn more how to build Bindows™ applications check out the documentation section.
Based on XML