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XML.com, where the XML community shares XML development resources and solutions, features timely news, opinions, features, and tutorials; the Annotated XML specification created by Tim Bray; authoring tools, XML developer resources, interactive forum...

DevX is the leading provider of technical information, tools, and services for IT professionals developing corporate applications.

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.

A web-based XML validator. Can be used for free. Validates XML files, prompts the user for referenced files (e. g., XSD), shows good error messages.

A technical conference about XML and other markup. It

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.

Free, Online, Help, Books, Web, Development, resources, HTML, CSS, JavaScript, DHTML, XML, XHTML, ASP, ADO, .NET, VBScript, C++, C#, Flash, Java, PHP, Apache, Unix, linux, Shell, VB, Perl, CGI, Designing, tutorials, help, programming, Dreamweaver, A...

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

Free cross-platform web-based Online XML Editor, runs on Linux, Windows, Mac, FireFox, Chrome, IE. Edit XML schema or document. No user registration required.

The IBM corporate home page, entry point to information about IBM products and services