Analyzes C# source code to enforce a set of style and consistency rules. It can be run from inside of Visual Studio or integrated into an MSBuild project.
FxCop is an application that analyzes managed code assemblies and reports information about the assemblies, such as possible design, localization, performance and security improvements.
C# source code analyzer for Visual Studio .NET - A Microsoft Visual Studio .NET add-in that provides C# static source code analysis to automate code reviews and detects errors, bugs and issues. The community edition is free.
A DXCore plug-in for Microsoft Visual Studio 2005/2008 that provides code style enforcement against configurable coding standards.