Top 20 NuGet testing Packages

Steve Sanderson's TestHost implementation as NuGet package from his BlazorUnitTestingPrototype project source code. This library provides helpers for unit testing of Blazor components. Additionally .NET5 support has been provided. NuGet now supports both .NetStandard2.1 and .NET5. See the following...
General testing tools for projects
Integration testing tools for sql projects
The C# integration testing library for self-initializing fakes with MongoDB.
Fualtify Dotnet Mutation Test Commandline Utility
.NET Standard library containing the client-side FactoryOrchestrator classes, required to interact with Factory Orchestrator Service. Also contains optional helper classes. See https://microsoft.github.io/FactoryOrchestrator/ for more information.
A .NET Standard library containing the core FactoryOrchestrator classes. Required in all projects. See https://microsoft.github.io/FactoryOrchestrator/ for more information.
Testing Extensions
Testing Extensions
Testing Extensions
A simple, yet flexible acceptance Testing framework
Extends the ESWAT framework to allow test scripts to be written in PowerShell
Fake Object data generation and population, like Ruby's Faker gem, for .NET
Web application testing framework
Framework to provide base classes to test enforcing Given, When, Then and using automocking
Framework to provide base classes to test enforcing Given, When, Then and using automocking
Framework to provide base classes to test enforcing Given, When, Then and using automocking
Framework to provide base classes to test enforcing Given, When, Then and using automocking
Use code snippet 'assertion' to get the declaration at the top of the file. Then just use Assert.Equal(...) and the like.