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

v7 RecyclerView 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.AndroidX.Migration by: Microsoft

This package provides a set of tools and MSBuild tasks to aid in the migration from Android Support to Android X.

Xamarin.Build.Download by: Microsoft

Support for downloading and unpacking archives when building MSBuild projects

xcodetool by: 新生命开发团队

XCode 官方命令行工具，基于 Model.xml 生成实体数据类与业务类，支持快速建模与持续迭代。

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.

ZedGraph by: ZedGraph Project

ZedGraph is a class library, user control, and web control for .net, written in C#, for drawing 2D Line, Bar, and Pie Charts. It features full, detailed customization capabilities, but most options have defaults for ease of use.