Resharper 4.0 is out!

The must-have productivity tool for Visual Studio, ReSharper 4.0 provides solution-wide error highlighting on the fly, advanced code completion, superior unit testing tools, over 30 advanced code refactorings, multiple handy navigation and search utilities, single-click code formatting and cleanup, [...]

Microsoft Source Analysis for C# (StyleCop)

Source Analysis is similar in many ways to Microsoft Code Analysis (specifically FxCop), but there are some important distinctions. FxCop performs its analysis on compiled binaries, while Source Analysis analyzes the source code directly. For this reason, Code Analysis focuses more on the design of the code, while Source Analysis focuses on layout, readability and [...]