System.Globalization.Extensions by: Microsoft

Provides classes for performing unicode string normalization, culture-specific string comparisons and support the use of non-ASCII characters for Internet domain names. Commonly Used Types: System.StringNormalizationExtensions System.Text.NormalizationForm System.Globalization.IdnMapping

System.IO.Pipes by: Microsoft

Provides a means for interprocess communication through anonymous and/or named pipes. Commonly Used Types: System.IO.Pipes.NamedPipeServerStream System.IO.Pipes.PipeDirection System.IO.Pipes.PipeOptions System.IO.Pipes.PipeTransmissionMode System.IO.Pipes.NamedPipeClientStream System.IO.Pipes.PipeStream

System.Security.Principal by: Microsoft

Provides the base interfaces for principal and identity objects that represents the security context under which code is running. Commonly Used Types: System.Security.Principal.IPrincipal System.Security.Principal.IIdentity System.Security.Principal.TokenImpersonationLevel

System.Xml.XDocument by: Microsoft

Provides the classes for Language-Integrated Query (LINQ) to Extensible Markup Language (XML). LINQ to XML is an in-memory XML programming interface that enables you to modify XML documents efficiently and easily.

WindowsAzure.Storage by: Microsoft

This client library enables working with the Windows Azure storage services which include the blob 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/WindowsAzure/azure-storage-net/blob/master/README.md and https://github.com/WindowsAzure/azure-storage-net/blob/master/changelog.txt Windows Azure Storage team's blog - http://blogs.msdn.com/b/windowsazurestorage/

Xamarin.Build.Download by: Microsoft

Support for downloading and unpacking archives when building MSBuild projects

Xamarin.Firebase.iOS.Analytics by: Microsoft

C# bindings for Firebase APIs Analytics iOS Library

Xamarin.Firebase.iOS.Auth by: Microsoft

C# bindings for Firebase APIs Auth iOS Library

Xamarin.Firebase.iOS.InstanceID by: Xamarin Inc.

C# bindings for Firebase APIs Instance ID iOS Library

Xamarin.Firebase.iOS.RemoteConfig by: Microsoft

C# bindings for Firebase APIs Remote Config iOS Library

Xamarin.Google.iOS.Core by: Xamarin Inc.

C# bindings for Google APIs Core iOS Library

Xamarin.Google.iOS.SignIn by: Xamarin Inc.

C# bindings for Google APIs Sign In 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.

xunit.core by: jnewkirk, bradwilson

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