A validating XML text editor for Windows that supports XML, XSL, DTD, CSS, and HTML files. [Shareware]

Mouse-based editor for XML files, that generates HTML, XSL, DTD files, and gets Database structure and queries. [Shareware]

A document-centric authoring tool for XML and SGML. [Commercial]

A comprehensive product-line of software tools that consists of the XSLT Stylesheet Designer, the XML Spy Document Editor, and the XML Spy Integrated Development Environment, which includes an XML editor, XSLT editor, and graphical XML Schema designer. [Commercial]

Validating XML/SGML document editor for Windows, Linux, and Solaris. [Commercial]

XXE, for short, is a full-fledged XML 1.0 editor featuring a word processor-like view (CSS2 styled). It has been created to make technical persons comfortable and productive at editing XML documents and XML data. [Open Source]

Contains XML, DTD, and SMIL editors. [Commercial]

Sonic Software's platform for an XML development environment that includes an XML Schema editor, XSLT editor, XML-XML mapper, debugging and document wizards. [Commercial]

NetBryx Technologies' integrated development environment (IDE) tool; XML, DTD and Schema editor; also validation, XSLT transformation, browser preview and automatic DTD and XSL generation.