HEATKEYS

EditiX Lite is a free XML Editor for Windows, Mac OS X and Linux

EditiX is a quality XML and XSLT Editor for Windows, Mac OS X and Linux

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.

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.

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...

A fast and easy source-level XML Editor, XML Marker uses a combination of syntax-highlighting editor, tree view, and table views to help you get a better insight to your XML code

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

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.

MOSO Xmplify is a powerful new XML editor built specifically for Mac OS X, with DTD and XML Schema-based auto-completion, automatic document validation, XSLT and XPath support, live HTML preview and much 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.