Unity.Container by: Unity Open Source Project

Unity Core Engine

Unnoficial.Microsoft.Expression.Drawing by: Daniel Soares

Microsoft.Expression.Drawing.dll

upgrade-assistant by: Microsoft

A tool to assist developers in upgrading .NET Framework applications to .NET.

UpYun.NETCore by: UpYun.NETCore

UpYun .net core SDK. http://www.upyun.com by yangzhongke

Utf8Json by: neuecc

Definitely Fastest and Zero Allocation JSON Serializer for C#(NET, .NET Core, Unity, Xamarin).

Websocket.Client by: Mariusz Kotas

Client for websocket API with built-in reconnection and error handling

WindowsAPICodePack-Core by: Aybe

Core library for Windows API Code Pack

WindowsAPICodePack-Shell by: Aybe

Shell library for Windows API Code Pack

WindowsFirewallHelper by: Soroush Falahati

A class library to manage the Windows Firewall as well as adding your program to the Windows Firewall Exception list. Supporting Windows XP+.

WindowsJobAPI by: HMBSbige

Kill child processes when parent process is killed.

WpfAnalyzers by: Johan Larsson

Roslyn analyzers for WPF.

Xamarin.Android.Support.Core.UI by: Xamarin Inc.

Core UI Android Support Library C# bindings for Xamarin

Xamarin.Android.Support.Core.Utils by: Xamarin Inc.

Core Utils Android Support Library C# bindings for Xamarin

Xamarin.Android.Support.CustomTabs by: Xamarin Inc.

Custom Tabs Android Support Library C# bindings for Xamarin

Xamarin.Android.Support.v4 by: Xamarin Inc.

v4 Android Support Library C# bindings for Xamarin

Xamarin.Android.Support.v7.AppCompat by: Xamarin Inc.

v7 AppCompat Android Support Library C# bindings for Xamarin

Xamarin.Android.Support.Vector.Drawable by: Xamarin Inc.

Vector Drawable Android Support Library C# bindings for Xamarin

Xamarin.Build.Download by: Microsoft

Support for downloading and unpacking archives when building MSBuild projects

XC.RSAUtil by: stulzq

.NET Core RSA algorithm using the help tool.It supports data encryption, decryption, signature and verification signature.It supports three key formats, namely: xml, pkcs1, pkcs8.It also supports key conversion for these three formats.Last also support pem formatting.

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.