The lxml XML toolkit for Python
Fast streaming XML parser written in C99 with >90% test coverage
Generate C# classes from XML Schema files
The Microsoft Build Engine (MSBuild) build platform for .NET and VS
Go package for easily rendering JSON, XML, binary data, and HTML
The fast & forgiving HTML and XML parser
A library to handle Apple Property List format in binary or XML
A popular high-performance JSON framework for .NET
MyBatis SQL mapper framework for Java
MLT Multimedia Framework
Simple REST and HTTP API Client for .NET
An extensible multilanguage static code analyzer
jQuery plugin to export a html table to JSON, XML, CSV, TSV, TXT, SQL
High performance, open source universal RPC framework
A fast, high-level web crawling and web scraping framework
Grails - the Web Application Framework
A fast and lightweight IDE
Open-source, cross platform Qt based IDE for reverse-engineering
Eases DOM navigation for HTML and XML documents
Collection, processing, and rendering functionality for PHP code
Command-line XML and HTML beautifier and content extractor
Knowledge Agents and Management in the Cloud
PHP library for easy 'jQuery like' DOM traversing and manipulation
Go (golang) library for reading and writing XLSX files