xmlcopyeditor

XML Copy Editor is a fast, free, validating XML editor, with following features:

• DTD/XML Schema/RELAX NG validation
• XSLT
• XPath
• Pretty-printing
• Syntax highlighting
• Folding
• Tag completion
• Tag locking
• Tag-free editing
• Spelling and style check
• Built-in support for XHTML, XSL, DocBook and TEI