XSD Editor
XSD Editor provides a synchronized split-pane interface that simultaneously shows both a visual XSD Diagram and the underlying code, with changes in one pane immediately reflected in the other
Web Service Testing Tools
The Stylus Studio Web Service Tester allows you to easily locate, build references to, and test Web services for XML applications based on WSDL, SOAP, and UDDI standard Web service technologies.
Industry DTD Standards Support (OASIS)
Stylus Studio provides integrated support OASIS catalogs, including thousands of industry-standard DTDs like DocBook, FIXML, and more!
XQuery Documentation Generator
Stylus Studio provides integrated support for xqDoc so you can generate XQuery documentation directly from the XQuery editor.