BaseX
BaseX is a very light-weight, high-performance and scalable XML Database engine and XPath/XQuery Processor with Full Text and Update extensions.
XML Copy Editor
XML Copy Editor is a fast, free, validating XML editor.
- DTD/XML Schema/RELAX NG validation
- XSLT
- XPath
- Pretty-printing
- Syntax ...
ExamXML
ExamXML displays XML documents in a tree view, highlighting differences down to the level of elements, words or attributes, so ...