Top 20 NuGet Unit Testing Packages

Extensions over NUnit to write fluent assertions with the Arrange-Act-Assert pattern.
Description
Simple BDD
Provides the initial skeleton to write specs/tests for client side scripts in ASP.NET MVC Application.
A light-weight Micro-ORM to take away the pain in data access logic.
Provides some basic validations for .NET solutions using NuGet packages.
Object-Tree validation tools. Simple and readable validation of the structure and data of any object tree. Validation assertions can be either INamedPredicates or NUnit assertion constraints.
A collection of helper classes to aide in testing .NET applications
WP-Fx.Testing is a small testing library with additional testing features. Currently there is only a user-friendlier exception testing provided.
A simple library for storing preferences (and a first test of NuGet packaging). Not intended for public consumption.
The fastest and smoothest way to great architecture
Construct models easily with lambda expressions.
a boo dsl for mspec
A library to make multi-threaded dispatch code more testable. Models a job dispatch pattern and provides both threaded and non threaded implementations.
Some simple utilities for unit testing in .Net
Object builder
In memory DB for unit testing.
A bridge package allowing smooth transition from LightBDD to LightBDD.NUnit2. After update to this version, the LightBDD package can be removed and LightBDD.NUnit2 should be used since then.
A Small Utility for testing web applications with different/multiple users.
Scaffold code generator for generating wrapper class to any existing non-testable classes such static classes and .Net libraries like System.IO. Very useful for doing TDD and decoupling dependencies to 3rd party libraries. Usage: On Package Manager Console type the following command: ...