Validate XML Using XSD
You can validate XML documents against any data model defined using W3C XSD, using any major XSD Validator, including MSXML 3.0, MSXML 4.0, MSXML 6.0, Xerces-J, Xerces-C, Microsoft System.XML (1.0 and 2.0), XSV, the Saxonica XSD Validator and others.
Web Service Servers
Stylus Studio's Web Services tools support development and testing of Web service applications on the industry's leading Web Service Servers including Apache AXIS, Mirosoft SOAP Client Toolkit and Microsoft .NET Server.
Translating XML documents to X12
In-place, via XSLT and via XQuery are all mechanisms supported for converting XML to X12
XQuery Mapper
Stylus Studio has the industry's only XQuery mapper, enabling you to develop sophisticated XML mappings consisting of queries and data transformation in an intuitive, visual manner.