StyleCop.Analyzers by: Sam Harwell et. al.

An implementation of StyleCop's rules using Roslyn analyzers and code fixes

System.Interactive.Async by: .NET Foundation and Contributors

Interactive Extensions Async Library used to express queries over asynchronous enumerable sequences.

Xamarin.Firebase.iOS.Auth by: Microsoft

C# bindings for Firebase APIs Auth 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.