System.Collections.NonGeneric by: Microsoft

Provides classes that define older non-generic collections of objects, such as lists, queues, hash tables and dictionaries. Developers should prefer the generic collections in the System.Collections package. Commonly Used Types: System.Collections.ArrayList System.Collections.Hashtable System.Collections.CollectionBase System.Collections.ReadOnlyCollectionBase System.Collections.Stack System.Collections.SortedList System.Collections.DictionaryBase System.Collections.Queue System.Collections.Comparer System.Collections.CaseInsensitiveComparer

System.ComponentModel by: Microsoft

Provides interfaces for the editing and change tracking of objects used as data sources. Commonly Used Types: System.ComponentModel.CancelEventArgs System.IServiceProvider System.ComponentModel.IEditableObject System.ComponentModel.IChangeTracking System.ComponentModel.IRevertibleChangeTracking

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

System.IO.FileSystem by: Microsoft

Provides types that allow reading and writing to files and types that provide basic file and directory support. Commonly Used Types: System.IO.FileStream System.IO.FileInfo System.IO.DirectoryInfo System.IO.FileSystemInfo System.IO.File System.IO.Directory System.IO.SearchOption System.IO.FileOptions

System.IO.MemoryMappedFiles by: Microsoft

Provides classes for using a memory-mapped file, which maps the contents of a file to an application's logical address space. Commonly Used Types: System.IO.MemoryMappedFiles.MemoryMappedViewAccessor System.IO.MemoryMappedFiles.MemoryMappedViewStream System.IO.MemoryMappedFiles.MemoryMappedFile System.IO.MemoryMappedFiles.MemoryMappedFileAccess

System.Net.Primitives by: Microsoft

Provides common types for network-based libraries, including System.Net.IPAddress, System.Net.IPEndPoint, and System.Net.CookieContainer.

System.Private.ServiceModel by: Microsoft

Internal implementation package not meant for direct consumption. Please do not reference directly. Provides implementation of System.ServiceModel packages. 0cdb612ce9cc705f11132c9d162347607b45cf99 When using NuGet 3.x this package requires at least version 3.4.

System.Runtime.Handles by: Microsoft

Provides base classes, including System.Runtime.InteropServices.CriticalHandle and System.Runtime.InteropServices.SafeHandle, for types that represent operating system handles. Commonly Used Types: System.Runtime.InteropServices.SafeHandle Microsoft.Win32.SafeHandles.SafeWaitHandle System.Runtime.InteropServices.CriticalHandle System.Threading.WaitHandleExtensions System.IO.HandleInheritability

System.Runtime.Loader by: Microsoft

Provides the System.Runtime.Loader.AssemblyLoadContext class, which provides members for loading assemblies. Commonly Used Types: System.Runtime.Loader.AssemblyLoadContext

System.ServiceModel.Security by: Microsoft

Provides common security types for consuming and communicating with services. Commonly Used Types: System.ServiceModel.DnsEndpointIdentity System.ServiceModel.MessageSecurityVersion System.ServiceModel.UpnEndpointIdentity System.ServiceModel.SpnEndpointIdentity

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.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

System.Xml.XPath.XmlDocument by: Microsoft

Provides extension methods that add System.Xml.XPath support to the System.Xml.XmlDocument package.

Validation by: Andrew Arnott

Method input validation and runtime checks that report errors or throw exceptions when failures are detected. Check out the code snippets available at https://github.com/AArnott/Validation/tree/master/My Code Snippets and make your input validation even easier with auto-completion for quoted parameter names.

WindowsAzure.Storage by: Microsoft

This client library enables working with the Microsoft Azure storage services which include the blob and file service for storing binary and text data, the table service for storing structured non-relational data, and the queue service for storing messages that may be accessed by a client. For this release see notes - https://github.com/Azure/azure-storage-net/blob/master/README.md and https://github.com/Azure/azure-storage-net/blob/master/changelog.txt Microsoft Azure Storage team's blog - http://blogs.msdn.com/b/windowsazurestorage/

Xamarin.Android.Support.v13 by: Xamarin Inc.

v13 Android Support Library C# bindings for Xamarin

Xamarin.Build.Download by: Xamarin Inc.

Support for downloading and unpacking archives at when building MSBuild projects

Xamarin.Facebook.ShareKit.iOS by: Microsoft

C# binding for Facebook ShareKit's official SDK

Xamarin.Firebase.iOS.Core by: Xamarin Inc.

C# bindings for Firebase APIs Core iOS Library

xunit by: jnewkirk, bradwilson

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.