Here are some of my favorite tools I use for development besides VS:
| Emeditor |
Notepad replacement. |
| FxCop |
Test for best practices. |
| NUnit |
Unit testing .NET code. |
| Subversion |
Local source control (similar to CVS). |
| NDoc |
API documentation generator. |
| Reflector .NET |
Inspect .NET assemblies and decompile .NET IL code. |
| tcpTrace |
Proxy to capture TCP traffic. |
What do you use?