FluentAssertions

A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Targets .NET Framework 4.7, as well as .NET Core 2.1, .NET Core 3.0, .NET 6, .NET Standard 2.0 and 2.1. Supports the unit test frameworks MSTest2, NUnit3, XUnit2, MSpec, and NSpec3.

Fluent Assertions extensions for ASP.NET Core MVC

Analyzers based on the FluentAssertions best practices docs

Fluent Assertions extensions for ASP.NET MVC

NewtonSoft.Json extensions for FluentAssertions

Fluent Assertions extensions for Autofac

Reactive Testing

Fluent Assertions extensions for Ninject