Top 20 NuGet specification Packages

Machine.Specifications (MSpec) adapter for .NET Framework and .NET Core including dotnet cli (dotnet test), Visual Studio IDE, TFS, Visual Studio Online, Visual Studio Team Services.
A framework that helps the use of DDD patterns and implementing the infrastructure with NHibernate and FluentNHibernate.
This is the XCommon core project. XCommon is a light library, which implement's some design patterns like as Ioc, Specification, Repositiry and others.
Machine.Specifications.Runner.Console is the console runner for the Context/Specification framework Machine.Specifications
Write maintainable UI tests with Selenium using Tranquire
Provides a framework for composing and executing reusable user actions during tests.
A framework that helps the use of DDD patterns.
Machine.Specifications is a Context/Specification framework geared towards removing language noise and simplifying tests.
Provides integration of NUnit constraints with Tranquire.
Machine.Specifications.Should is a should library for the Context/Specification framework Machine.Specifications
Topojson Specification (topojson-specification) binding library for Bridge.NET projects.
TypeRegistry for DynamicSpecs, based on AutoFac and FakeItEasy
DynamicSpecs NUnit integration
A .Net implementation of [JsonLogic](http://jsonlogic.com).
A dynamic specification framework for C#.
The fastest and smoothest way to great architecture
The fastest and smoothest way to great architecture
MSpec helper library to write quick tests for projects using Incoding Framework
The fastest and smoothest way to great architecture
ServiceStack plugin that uses output from ServiceStack.IntroSpec to generate documentation using RAML specification.