There are two open competitive formats to PDF: - OpenXPS (https://en.wikipedia.org/wiki/Open_XML_Paper_Specification https://en.wikipedia.org/wiki/Open_XML_Pap

There are two open competitive formats to PDF: - OpenXPS (https://en.wikipedia.org/wiki/Open_XML_Paper_Specification https://en.wikipedia.org/wiki/Open_XML_Paper_Specification) - EPS (https://en.wikipedia.org/wiki/Encapsulated_PostScript https://en.wikipedia.org/wiki/Encapsulated_PostScript).