Liquid XML Studio |XML Editor
Liquid XML Studio 2011 is an advanced XML toolkit and IDE, containing all the tools needed for designing and developing XML applications, including an XML Editor, XML Schema Editor, WSDL Editor, Web Service Tools and much more.

Altova XML Spy
XML Spy is the first true Integrated Development Environment for the eXtensible Markup Language that includes all major aspects of XML in one powerful and easy-to-use product: XML Spy is centered around a professional validating XML editor that provides five advanced views on your documents: an Enhanced Grid View for structured editing, a Database/Table view that shows repeated elements in a tabular fashion, a Text View with syntax-coloring for low-level work, a graphical XML Schema design view, and an integrated Browser View that supports both CSS and XSL style-sheets.

Oxygen XML Editor
The XML Editor in oXygen is a complete XML development platform with support for all major XML related standards. An XML file can be edited in the following perspectives: XML text editor, WYSIWYG-like editor, XML grid editor, tree editor.

EditiX XML Editor
EditiX is a powerful and easy to use XML editor, Visual Schema Editor, XQuery Editor and XSLT debugger for Windows, Linux and Mac OS X designed to help web authors and application programmers take advantage of the latest XML and XML-related technologies such as XSLT / FO, DocBook and XSD Schema.

Serna Enterprise XML editor
Serna Enterprise XML editor is a powerful and easy-to-use WYSIWYG XML application for collaborative XML editing. Serna brings to your business all the potential benefits of XML: quality content, highest XML authoring productivity, validity and consistency in terms of structure rules and business conventions, and automated multi-channel XML publishing in a seamlessly integrated environment.

Stylus Studio
Stylus Studio® X14 XML Enterprise Suite is an advanced XML Integrated Development Environment (XML IDE) consisting of hundreds of powerful XML tools in one all-inclusive suite, and high-performance Java & .NET components to design data integration applications. Stylus Studio adds powerful new features, again pushing the innovation envelope that helped establish Stylus Studio as the premier XML IDE. Stylus Studio's best-in-class features for working with XML, XQuery, XML Pipeline, XSLT, XSL:FO, EDI, XML Schema/DTD, XPath, XML & Databases, XHTML, XML mapping, XML publishing, Web services set a new benchmark for XML productivity.