XML Schema Library
The Stylus Studio XML Schema Library provides a detailed reference of many of the world's most commonly used XML vocabularies in an easy-to-read format.
Learn XQuery in 10 Minutes, by Dr. Michael Kay - An XQuery Tutorial
Learn XQuery in 10 Minutes By Dr. Michael Kay is for all those people who really want to know what XQuery is, but don't have the time to find out. It's the fastest XQuery tutorial on the planet - read it now!
XML Operations
Using XML Pipeline it's easy to visually specify a series of XML operations to apply on your XML data, including parsing, validating, converting and transforming, according to the needs of your business application.
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.