System.Collections.Concurrent by: Microsoft

Provides several thread-safe collection classes that should be used in place of the corresponding types in the System.Collections.NonGeneric and System.Collections packages whenever multiple threads are accessing the collection concurrently. Commonly Used Types: System.Collections.Concurrent.ConcurrentDictionary<TKey, TValue> System.Collections.Concurrent.ConcurrentQueue<T> System.Collections.Concurrent.ConcurrentBag<T> System.Collections.Concurrent.BlockingCollection<T> System.Collections.Concurrent.ConcurrentStack<T>

System.Composition by: Microsoft

This packages provides a version of the Managed Extensibility Framework (MEF) that is lightweight and specifically optimized for high throughput scenarios, such as the web. Commonly Used Types: System.Composition.ExportAttribute System.Composition.ImportAttribute System.Composition.Convention.ConventionBuilder System.Composition.Hosting.CompositionHost System.Composition.CompositionContext System.Composition.CompositionContextExtensions When using NuGet 3.x this package requires at least version 3.4.

System.Linq.Queryable by: Microsoft

Provides classes for querying data structures that implement IQueryable<T>. Commonly Used Types: System.Linq.Queryable System.Linq.EnumerableQuery<T> System.Linq.EnumerableQuery - 1548494

System.ServiceModel.NetTcp by: Microsoft

Provides types for consuming and communicating with WCF services over the Transmission Control Protocol (TCP). Commonly Used Types: System.ServiceModel.NetTcpBinding System.ServiceModel.NetTcpSecurity TFS ID: 1612576, GitHub SHA: https://github.com/dotnet/corefx/tree/f47c814b003d17da52940739e227f04e52b10279 When using NuGet 3.x this package requires at least version 3.4.

xunit by: James Newkirk, Brad Wilson

xUnit.net is a developer testing framework, built to support Test Driven Development, with a design goal of extreme simplicity and alignment with framework features. Installing this package installs xunit.core, xunit.assert, and xunit.analyzers.

xunit.extensibility.core by: jnewkirk, bradwilson

Includes xunit.core.dll for extensibility purposes. Supports .NET 4.5.2 or later, and .NET Standard 1.1.

Xunit.SkippableFact by: Andrew Arnott

Make your Xunit test methods self-determine to report a "skipped" result. Useful for such cases as "not supported on this platform" results or other environmental inputs.