XQuery Debugger
The Stylus Studio XQuery Debugger allows you to set breakpoints and step through the evaluation of any XQuery expression in a way that gives you complete control and visibility into the XQuery expression evaluation process.
XPath Introduction - Using XPath Queries to Extract Data from XML Documents
The XPath introduction covers how to use XPath code completion, XPath syntax highlighting, support for XPath 2.0 functions and XML namespaces to simplify your next XPath application.
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.
Binary XML
How do I get my binary data into XML? How do I get my binary data out of XML? The answers to these questions and more in this amazing Binary XML tutorial.