Recommend XMLSPY 5

XMLSPY 5 is the most comprehensive XML tool for Advanced XML Application Development. XMLSPY 5 is the industry standard XML Development Environment for designing, editing and debugging enterprise-class applications involving XML, XML Schema, XSL/XSLT, SOAP, WSDL and Web service technologies. New features include: XSLT debugger, WSDL editor, HTML-to-XML conversion utilities, XML Schema driven code generation (Java or C++) and Tamino integration.