System.Threading.AccessControl by: Microsoft

Provides support for managing access and audit control lists for synchronization primitives. Commonly Used Types: System.Security.AccessControl.EventWaitHandleAccessRule System.Security.AccessControl.EventWaitHandleAuditRule System.Security.AccessControl.MutexAccessRule System.Security.AccessControl.MutexAuditRule System.Security.AccessControl.MutexSecurity System.Security.AccessControl.SemaphoreAccessRule System.Security.AccessControl.SemaphoreAuditRule System.Security.AccessControl.SemaphoreSecurity When using NuGet 3.x this package requires at least version 3.4.

System.Threading.Channels by: Microsoft

Provides types for passing data between producers and consumers. Commonly Used Types: System.Threading.Channel System.Threading.Channel<T> When using NuGet 3.x this package requires at least version 3.4.

System.Threading.Overlapped by: Microsoft

Provides common types for interacting with asynchronous (or overlapped) input and output (I/O). Commonly Used Types: System.Threading.NativeOverlapped System.Threading.Overlapped System.Threading.IOCompletionCallback

System.Threading.Tasks.Dataflow by: Microsoft

TPL Dataflow promotes actor/agent-oriented designs through primitives for in-process message passing, dataflow, and pipelining. TDF builds upon the APIs and scheduling infrastructure provided by the Task Parallel Library (TPL), and integrates with the language support for asynchrony provided by C#, Visual Basic, and F#. Commonly Used Types: System.Threading.Tasks.Dataflow.ActionBlock<TInput> System.Threading.Tasks.Dataflow.BatchBlock<T> System.Threading.Tasks.Dataflow.BatchedJoinBlock<T1, T2> System.Threading.Tasks.Dataflow.BatchedJoinBlock<T1, T2, T3> System.Threading.Tasks.Dataflow.BroadcastBlock<T> System.Threading.Tasks.Dataflow.BufferBlock<T> System.Threading.Tasks.Dataflow.DataflowBlock System.Threading.Tasks.Dataflow.JoinBlock<T1, T2> System.Threading.Tasks.Dataflow.JoinBlock<T1, T2, T3> System.Threading.Tasks.Dataflow.TransformBlock<TInput, TOutput> System.Threading.Tasks.Dataflow.TransformManyBlock<TInput, TOutput> System.Threading.Tasks.Dataflow.WriteOnceBlock<T> When using NuGet 3.x this package requires at least version 3.4.

System.Threading.ThreadPool by: Microsoft

Provides the System.Threading.ThreadPool class, which contains a pool of threads that can be used to execute tasks, post work items, wait on behalf of other threads, and process timers. Commonly Used Types: System.Threading.ThreadPool System.Threading.WaitOrTimerCallback When using NuGet 3.x this package requires at least version 3.4.

System.ValueTuple by: Microsoft

Provides the System.ValueTuple structs, which implement the underlying types for C# 7 tuples. Commonly Used Types: System.ValueTuple System.ValueTuple<T1> System.ValueTuple<T1, T2> System.ValueTuple<T1, T2, T3> System.ValueTuple<T1, T2, T3, T4> System.ValueTuple<T1, T2, T3, T4, T5> System.ValueTuple<T1, T2, T3, T4, T5, T6> System.ValueTuple<T1, T2, T3, T4, T5, T6, T7> System.ValueTuple<T1, T2, T3, T4, T5, T6, T7, TRest> When using NuGet 3.x this package requires at least version 3.4.

System.Xml.XPath by: Microsoft

Provides the classes that define a cursor model for navigating and editing Extensible Markup Language (XML) information items as instances of the XQuery 1.0 and XPath 2.0 Data Model.

System.Xml.XPath.XDocument by: Microsoft

Provides extension methods that add System.Xml.XPath support to the System.Xml.XDocument package. Commonly Used Types: System.Xml.XPath.Extensions System.Xml.XPath.XDocumentExtensions When using NuGet 3.x this package requires at least version 3.4.

Tizen.NET.API4 by: Samsung Electronics

Reference assemblies of Tizen .NET API Level 4.

Twilio by: Twilio

Twilio REST API helper library

Xamarin.Android.Support.Media.Compat by: Xamarin Inc.

Media Compat Android Support Library C# bindings for Xamarin

Xamarin.Build.Download by: Microsoft

Support for downloading and unpacking archives when building MSBuild projects

Xamarin.Essentials by: Microsoft

Xamarin.Essentials: a kit of essential API's for your apps

Xamarin.Facebook.LoginKit.iOS by: Microsoft

C# binding for Facebook LoginKit's official SDK

Xamarin.Facebook.ShareKit.iOS by: Microsoft

C# binding for Facebook ShareKit's official SDK

Xamarin.Firebase.iOS.Analytics by: Microsoft

C# bindings for Firebase APIs Analytics iOS Library

xunit.analyzers by: jnewkirk, bradwilson, marcind

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 provides code analyzers to help developers find and fix frequent issues when writing tests and xUnit.net extensibility code.

xunit.core by: jnewkirk, bradwilson

Includes the libraries for writing unit tests with xUnit.net.

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.extensibility.execution by: jnewkirk, bradwilson

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