An indispensable tool for anyone involved in developing, testing and managing .NET products for Windows.

http://smoketest.wesleysteiner.com/

.net SmokeTest is a Windows application that provides an interactive interface into any .net Assembly allowing you to smoke-test an API without writing a single line of code. Construct an instance, call a method and get or set a property or field of any class then view or "drill-down" into the result.