CodeRush - DevExpress CodeRush for Roslyn uses significantly less memory, works faster, and lets you start Visual Studio faster.
ReSharper - ReSharper is a productivity tool for visual studio that provides tools and features to help you manage your code.
Visual Assist X - Visual Assist X dramatically reduces application development time with key new features and...
NDepend - NDepend is a Visual Studio tool to manage complex .NET code and achieve high code quality.
SonarQube - SonarQube, a core component of the Sonar solution, is an open source, self-managed tool that systematically helps developers and organizations deliver Clean Code.
TestDriven.NET - TestDriven.Net makes it easy to run unit tests with a single click, anywhere in your Visual Studio...