Download these applications designed to enable Web-services development using XML, Java, and standard languages. Also find downloads for application servers.

DTD, Schema, XDR, SOX, Schematron, and DSD are evaluated as related tools for high-level XML development. Element uniqueness and inheritance are addressed.

Check code validity by referencing Web-accessible or uploading original schemas. Output is comprised of an XSLT style sheet differentiating warnings and critical errors.

Presents the transitional document type definition from HTML 4.0 to XHTML 1.0. From the World Wide Web Consortium.

Verify efficiency of code with this tool, which outputs structurally-equivalent XML. Reference live URLs for validation.