Glossary of Open Java Script and Web Frameworks from Scott Hanselman

http://www.hanselman.com/blog/TheBigGlossaryOfOpenSourceJavaScriptAndWebFrameworksWithCoolNames.aspx?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+ScottHanselman+%28Scott+Hanselman+-+ComputerZen.com%29

Reflector from RedGate

http://www.reflector.net/

Allows view, navigate, and search through the class hierarchies of .NET Assemblies even if you do not have the code for them.

Trial period 30 days.
Price: 70/130/190(VSPro)