oXygen XML editor supports XML, XSD, XSL, DTD. brings together the top today’s technologies Java and XML. oXygen XML editor covers all the today’s XML technologies offering support for any XML document, working with XML Schemas, DTDs, Relax NG schemas and NRL Schemas. The powerful transformation support allows you not only to edit XSLT and XSL-FO documents but also to obtain documents in the desired output format like HTML, PS, PDF, etc. with just one click.