Stylus Studio is an advanced XML Integrated Development Environment (IDE). Stylus Studio 5.1 adds powerful new features, again pushing the innovation envelope that helped establish Stylus Studio as the premier XML IDE. Stylus Studio's best-in-class features for working with XML, XQuery, XSLT, XML Schema/DTD, XPath, SQL/XML, XHTML, and Web services set a new benchmark for XML productivity.