System.Xml.XPath.XmlDocument by: Microsoft

Provides extension methods that add System.Xml.XPath support to the System.Xml.XmlDocument package. Commonly Used Types: System.Xml.XPath.XmlDocumentExtensions When using NuGet 3.x this package requires at least version 3.4.

YamlDotNet by: Antoine Aubry

A .NET library for YAML. YamlDotNet provides low level parsing and emitting of YAML as well as a high level object model similar to XmlDocument.

ZendeskApi_v2 by: Elizabeth Schneider

A full c# wrapper for Zendesk's api v2.

ZXing.Net by: Michael Jahn

ZXing.Net is a port of ZXing, an open-source, multi-format 1D/2D barcode image processing library originally implemented in Java. It has been ported by hand with a lot of optimizations and improvements. It is compatible with .Net 2.0, .Net 3.5, .Net 4.0, .Net 4.5, .Net 4.6, .Net 4.7, Windows RT Class Library and Components, UWP, .Net Standard 1.0, 1.1, 1.3 and 2.0, Silverlight 4, Silverlight 5, Windows Phone 7.x and Windows Phone 8.x and Xamarin.Android

ZXing.Net.Bindings.ImageSharp by: Michael Jahn

ZXing.Net Bindings for ImageSharp - use ImageSharp with ZXing.Net for barcode reading