For more information on the .NET Compiler Platform, click here.
This SDK Templates package provides three VS project templates for both C# and Visual Basic:
Diagnostics deployed as a NuGet package travel with the user's project and participate in builds.
Diagnostics and refactorings deployed as a VSIX extension apply to all projects and work just in the IDE.
The Syntax Visualizer is a Visual Studio extension that allows you to inspect and explore the syntax trees used by the .NET Compiler Platform ("Roslyn"). This tool will be your faithful companion as you build your own applications and VS extensions atop the .NET Compiler Platform APIs.
For more information about using the Syntax Visualizer, check out the github page.