The Saxon XSLT and XQuery processor, developed by Saxonica
JSON query and transformation language
eXist-db is a feature rich Open Source native XML database
A Java implementation of XProc: An XML Pipeline Language
Converts files from and to asam ods aft/xml format
TeleScope-CF XML Content Filtering Library
TeleScope-CF XML Content Filtering Library
Toolkit for rapid XML and web application development
A simple DOM parser in Java
Tools supporting creation and presentation of digital music editions