Top 20 NuGet Unit Testing Packages

Operate standard web controls by selenium.
Yet another BDD specification library for .NET
Reporting event model compatible with NUnit report generator (Nure).
A dynamic driver for running Zombie.js from .NET - insanely fast, headless browser testing now available for .NET. ZOMBIES NOT INCLUDED - check out the "zombie.js" package if you don't have Zombie.js installed.
A fluent assertion .NET Standard library for xUnit version 2.
XUnit Test Runner plugin for PowerTasks
ToolKit that makes it easier to use TDD in building and testing actor systems with Akka.NET
Reposify in-memory implementation for testing.
Reposify NHibernate implementation.
A bit more extension methods based on FluentAssertions that allow you to more naturally specify the expected outcome of a xTDD test or specification.
MainBrain build task library for XUnit tests.
A drop-in replacement that allows NUnit style fluent assertions within the XUnit framework!
A library of helpers for the purpose of testing message-based services. It is named after the author who wrote the book of James in the Bible. (James 1:2-3)
Implementation of certain controls for the Kendo UI library.
This package provides PowerShell scripts to automatically compile, package, test and deploy your code based on a set of conventions. It is based on psake and consists of a set of psake tasks written in Powershell. There is a predefined psake properties block and a number of predefined tasks as well ...
Simple test subject construction.
Machine.Specifications.Should is a should library for the Context/Specification framework Machine.Specifications
Plasma provides web automation and testing capabilities to ASP.NET projects.