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Simple and fast HTML and XML parser
A better HTML5 parser for PHP.
A fluent api for working with XML in PHP
Simple DOM wrapper library to manipulate and traverse HTML documents similar to jQuery
Swap.js is a "HTML-over-the-wire" AJAX-navigation micro-library
The XSL-way templating library for MS Office Word DOCX documents.
XML without worries
PHP library for easy 'jQuery like' DOM traversing and manipulation.
Modern DOM API.