HEATKEYS

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.

W3C

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 web, animation and midlets developers resource.

XML Check is free online XML and Sitemap validation service and software. It does strict scheme validation, finds all document structure issues and reports errors with line and column numbers

Engage, Collaborate, Co-Create and Share your knowledge by asking and answering questions in the discussion forums, commenting on blogs, rating videos, and sharing tips and advice in the wiki-style documents on configuring, troubleshooting, and desig...

VerifyXML provides open source tools, resources and examples for handling, generating and validation of Open Data business information exchange processes using XML, JSON and NIEM.

HTML XHTML CSS JavaScript XML XSL ASP SQL ADO VBScript Tutorials References Examples

Spectacular image galleries made simple. SimpleViewer is the home of the SimpleViewer family of image galleries - professional quality, fully customizable Flash image galleries. Download your free Flash image gallery here.

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.