Top 20 NuGet harness Packages

Harness is a .NET library designed to manage the state of one or more Mongo databases during testing.
A library to microbenchmark lambdas in C# and F# that runs on both Windows (clr) and Linux (mono).
A node.js and standalone mono-based web server powered test harness for ASP.NET MVC. Write your tests in JavaScript or CoffeeScript and use the best of both worlds
Test harness for IIS Express
Test harness for SQL Server