Top 20 NuGet Unit Testing Packages

An implementation of IWebDriver in a mock class which does not open a browser and returns predefined elements and data. Used for unit testing selenium based frameworks
MVC functional tests with a fixture pattern
It is a library to realize various kinds of code generation using Codeer.TestAssistantPro.
TestKit for writing tests for Akka.NET using xUnit.
C#/.NET package containing a set of Atata components for automated web testing integration with Bootstrap Framework. Works with Bootstrap components of version 3.3 and 4.0+. Supports .NET Framework 4.0+ and .NET Core/Standard 2.0+. Atata.Bootstrap on GitHub:
Magenic's automation quick start open source framework
Accelerates preparation of mocked structures for unit tests under xUnit2 by configuring AutoFixture data generation to use FakeItEasy. Gracefully handles recursive structures by omitting recursions.
TestKit for writing tests for Akka.NET using xUnit.
Foq is a lightweight thread-safe mocking library for F#, C#, and VB with a similar API to Moq.
dotMemory Unit is an additional unit testing framework that allows you to write tests that check code for all kinds of memory issues. For example, these can be tests that determine leaks by checking memory for objects of a particular type, or tests that track memory traffic and fail in case the traf...
Write automated tests for your web applications using the WatiN framework and execute them through Internet Explorer and FireFox.
A set of simple assert extensions to give you more choices and easier to read tests
Combined package to setup SpecFlow with NUnit easily for running the tests with the NUnit runners.
SpecBind is a bridge library for SpecFlow that allows for users to use as standard step vocabulary to drive their interaction with various web driver platforms, only requiring a light page model to complete interaction with the web site.
A tiny helper library for creating database integration tests
MVC functional tests with a fixture pattern for a MySql database on EF Core
Storyteller Project Runner and Editor
Coverlet is a cross platform code coverage tool for .NET Core, with support for line, branch and method coverage.
The NUnit Portable Agent provides an interface that allows test runners to load the NUnit Framework and run tests in an assembly without taking a dependency on a specific version of the framework.
SpecsFor is another Behavior-Driven Development framework that focuses on ease of use for *developers* by minimizing testing friction.