A cross-platform XML editor that may be used to create and validate XML documents and associated schema. It fully supports XSL (both XSLT and FO), DTD, Schema (Relax RNG and W3C), Database, XQuery and CSS. OXygen XML Editor works with all XML-based technologies, including XML databases, XProc pipelines, and web services and comes with ready-to-use DITA, DocBook, TEI, and XHTML support.

Frequently updated and supported, and with a very large set of features, this software tool has proved popular with digital humanists.