Top 20 NuGet XML Packages

Simple XML serialization library
Configuration from file for Trigger.NET
Qi4CS Extension: Configuration (XML) is an extension of Qi4CS.Core that further augments Qi4CS.Extensions.Configuration by adding customizable XML (de)serialization support for configuration composites.
Danzor
XML Query Library by one liner.
Conver from HTML to XML.
Author Xml Faster with QuickXML
This is a contoler class, by calling action -CrawlSite it will generate sitemap xml of the current site and will show the xml content in browser. For dynamic sitemap this is very useful.
A library of functions built with .NET designed for reuse in Excel VSTO-based application, but also exposable to VBA through the facade pattern.
Extension methods for .Net classes
Configuration Providers Library
Integround.Json is a free XML ↔ JSON converter library for .Net projects.
This script package converts a sql server data table into json or xml format
A simple xml helper to convert from xml to dynamic expandoObject
Libreria para usar el sistema de facturaci�n digital de EnlaceFiscal
Suspiciously pleasant XML construction API for C# 4, inspired by Ruby's Builder
Dextem is a Portable Class Library that converts Visual Studio XML Documentation into GitHub Flavored Markdown.
Simple Xml Builder, based on StringBuilder
SgmlReader is a versatile C# .NET library written by Chris Lovett for parsing HTML/SGML files using the XmlReader API.
Simple dynamic xml parsing