Use XML Validator Buddy as your XML editor to create and modify XML content or W3C schemas and get access to extraordinary editor features like intelligent auto-completion, pretty-print, code folding, XSL transformations with instant preview and XSD validator. XML Validator Buddy also provides additional functionalities to work efficiently with XML:
XML Validator Buddy is not only an XML editor. It is also an excellent XML batch validator, XPath evaluator, Schematron tool and a comprehensive solution for XML signatures.