VSColorOutput - VSColorOutput can change the color of a line emitted to the output window based on specified rules. The rules consist of regular expressions. Rules map to classifications which in turn map to colors.
Refactoring Essentials for Visual Studio 2017 - The premier free Visual Studio 2017 extension for C# and VB.NET refactorings, including code best practice analyzers to improve your projects. It includes a Roslyn-based code converter (C# to VB).
Roslynator2017 - A collection of 500+ analyzers, refactorings and fixes for C#
[CodeCracker] (https://marketplace.visualstudio.com/items?itemName=GiovanniBassi-MVP.CodeCrackerforC) - n analyzer library for C# and VB that uses Roslyn to produce refactorings, code analysis, and other niceties.