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The World Wide Web Consortium (W3C) is an international community where Member organizations, a full-time staff, and the public work together to develop Web standards.

Online tools for developers, including formatters (JSON, XML, HTML, SQL, etc.), minifiers (JavaScript, CSS), validators, compactors and many more!

Luxon Software for software and database development, consultancy for custom/bespoke software development projects. Outsourcing your programming work for of software, websites, open source projects and mobile apps.

Altova XMLSpy XML editor, plus other leading XML, data management, UML, and Web services software tools for application, web site, and database development, data conversion, and more.

gbXML - Open Green Building XML Schema: a Building Information Modeling solution for our green world

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The Stylus Studio XML Editor is an innovative XML IDE providing advanced XML development tools for XML, XSL, XSLT, XML Schema, DTD, SOAP, WSDL, SQL/XML, XML mapping, Web services and XQuery, simplifying XML data integration.

oXygen XML Editor is a cross platform XML Editor providing tools for XML authoring, XML conversion, XSL, XSLT, XQuery, XML Schema, DTD, Relax NG and Schematron development, SOAP and WSDL.

XMLFox XML/XSD editor is the Windows based graphical tool for authoring, updating, exploring, well-formedness checking or validating XML documents. XMLFox is a graphical XML editing and validation tool for creating valid, well-formed XML documents an...

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.