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C# Tools and Resources Directory.. Submit a Tool

Build Tools (3) Automate building and deployment of C# applications....	Code Editors (5) C# code editors - Visual Studio is the standard for working ...	Code Obfuscators (8) Protect your code from hackers and competitors using code ob...
Documentation (3) C# Documentation tools assist in documenting your code....	Profiler/Optimization Tools (6) C# Profilers assist developers to find errors and bottleneck...	Refactoring (4) C# Rectoring Tools ...
Regex Tools (2) Regex can be difficult to create and integrate into .NET app...	Standard Verifiers (1) Tests compliance with design standards....	Testing (5) Unit Testing validates and checks assemblies. Can also inclu...

Random Tools:

Expresso

Build complex regular expressions by selecting components from a GUI palette.
Free - Open Source

http://www.codeproject.com/KB/dotnet/expresso.aspx

.NETUnit

A .NET implementation the XUnit testing framework designed specifically for unit testing .NET components.

http://sourceforge.net/projects/dotnetunit/

TestMatrix

Supports unit-testing, code coverage analysis, and test profiling to Visual Studio 2005 and 2008. Incorporates these features directly into the coding process.

http://www.exactmagic.com/products/testmatrix/

NAnt

Basic, Free C# Build Tool
Free

http://nant.sourceforge.net/

DotFuscator

Dotfuscator uses several techniques watermarking, linking, and compaction to protect code.
Commercial

http://www.preemptive.com/products/dotfuscator/overview