Top 20 NuGet Unit Testing Packages

MagicMoq is an extension to the Moq mocking framework – It is like an IoC container that injects mocked dependencies when resolving a type, making the job of creating testing subjects much easier (and nicer).
F# DSL for first-class MbUnit tests
Package Description
HlslUnit is a unit testing library for HLSL shaders
Centaur is a library to launch IISExpress for test automation.
WebDriver based implementation of Laurus.UiTest
Extends XUnit test framework for JavaScript testing using Google's V8 script engine
Add integration with NUnit for QuickTestsFramework.
Helper class for easy unit testing of custom StyleCop rules
This library provides the DSL for parameterized unit test.
Lightweight BDD-style unit testing framework built on top of NUnit
MvcRouteTester is a .Net library to help unit testing ASP MVC route tables. It contains asserts for for both regular controllers and the Api controllers that are new in MVC 4.0. It is built in .Net 4.5 and ASP MVC 5.0.
A simple library that compares objects (useful for unit testing) using reflection.
Executes any number of sql files on MS SQL Server. Since the code doesn't know the order to execute the files, it uses a retry mechanism until each batch in the file executes successfully
A small set of utilities that help with unit and integration testing
A library to test Asp.Net Core Mvc application forms from request through to (HTML) response.
Tools to help test with Entity Framework 6
Using the Tenon.IO api, gives the ability to run accessibility tests for both URL's and source code.
The library implements recorder and player of HTTP requests. When recording, a request to a remote service and its live response are serialized to JSON and saved to a file (cassette), so that next time the same request is made through the player it can be served with the previously recorded response...
Custom patterns could be seen from UIAVerify tool (see TestStack's fork of it) and handy to use in WPF apps because pattern registration has some means to inject new pattern into existing AutomationPeer's structure. Also was tested to some extent with WinForms.