Java Web Services
Stylus Studio's Web Service Call Composer simplifies Java Web Service development by making it easy to find, invoke, and test any Java Web Service deployed on any popular Java Web Service framework, such as Apache AXIS.
Using Relational Data in XML Applications
"Using Relational Data in XML Applications" By Dr. Michael Kay covers an overview of several common use cases and provides insight into the benefits and drawbacks of using the approaches available today including XQuery and SQL/XML.
XML Differencing
Stylus Studio's integrated XML Differencing tool visually computes and analyzes any changes made to files or folders in a highly configurable, XML-aware fashion. Display text or tree views, with changes displayed in a merged view or side-by-side!
Map between EDIFACT and X12
Anything can be mapped to anything: EDIFACT to X12 or vice-versa, either to XML, and any of those to flat files or other formats. Both the XSLT and XQuery mappers can help bridge complex formats with ease.