Top 20 NuGet testing Packages

Easy-to-use test run reporter for MSTestV2
Advanced testing library for F#
This package allows you to monkey-test your functions, by providing wide-ranging values for function arguments (Null, Default, Min, Max, Random). It lets you use all combinations of these values for your tests as well.
A set of abstractions to help make file system interactions testable.
NCrunch.Framework is a run-time library for NCrunch users. This library contains attributes and tools that enable some very powerful features within NCrunch.
Suitest instrumentation library for Xbox apps. This package will make your Xbox app testable with Suitest. Suitest is a multi-platform end-to-end test automation service with the focus on the productivity and ease of use. Sign up for free at https://suite.st to get started. To prepare your Xbox ap...
Akka testing helpers that help you test the relationships between your actors
A C# class library that handles mocking, test data generation, and validation.
Package Description
CSharp bindings for Gauge. Write CSharp step implementation for Gauge specs. https://getgauge.io
Bringing Jest-esque Snapshot testing to C# See Project Site for more details
.NET Unit test helpers for validation with DataAnnotations
Extensions and helpers to simplify mocking with NSubstitute
Pester provides a framework for running BDD style Tests to execute and validate PowerShell commands inside of PowerShell and offers a powerful set of Mocking Functions that allow tests to mimic and mock the functionality of any command inside of a piece of PowerShell code being tested. Pester tests ...
SpecsFor.Mvc is a stand-alone acceptance testing framework for ASP.NET MVC. It enables you to write strongly-typed, refactor friendly integration tests using the browser and testing framework of your choice.
Utility classes and extensions to facilitate common testing operations when using NUnit.
Isolated integration testing for ASP.NET
The EventSource Analyzer is part of the Semantic Logging Application Block. It can be incorporated into your automated tests to help validate your EventSource instances.
A simple library that compares objects (useful for unit testing) using reflection.
MyTested.WebApi is unit testing library providing easy fluent interface to test the ASP.NET Web API framework. See the project repository and documentation for more information and available features.