The lxml XML toolkit for Python
Lexbor is development of an open source HTML Renderer library
Development toolkit for Web Services and XML data bindings for C & C++
ETL engine based on Groovy
Change encoding of text files.
Simple C++ XML processing
eXist-db is a feature rich Open Source native XML database
Pure Java HTML / CSS rendering engine
PDF Library for Developers
A framework for build smooth asynchronous iOS APP
DocBook Editing and Processing for Eclipse
Java RDF Framework
Java CSS parser and DOM style assignment library