.NET - Links
Cryptography
http://www.bouncycastle.org/ The Legion of the Bouncy Castle
Sample - Java and .NET interoperability
See Java, Links, Cryptography, Sample - Java and .NET interoperability, ../java/links.
Database
Dependency Injection
Documentation
Sandcastle Enabling managed class library developers throughout the world to easily create accurate, informative documentation with a common look and feel.
Quality
Microsoft FxCop, .NET - FxCop: FxCop is a code analysis tool that checks .NET managed code assemblies for conformance to the Microsoft .NET Framework Design Guidelines.
Tools
Lutz Roeder’s Programming .NET Reflector is a class browser, explorer, analyzer and documentation viewer.