Swallow.Refactor.Testing (nuget): A tool to automatically refactor large swaths of code - the natural continuation of "doing it all by hand" and "tinkering with regexes".       You can define a rewriting process and have it executed on many files in a solution - repeatable, testable, predictable.
Keywords: tool|cli|refactor|roslyn|solution|extendable|hackable|plugins|C#|refactoring