XML Copy Editor
XML Copy Editor is a fast, free XML editor with DTD/XML Schema/RELAX NG validation, XSLT, XPath, pretty-printing, syntax highlighting, folding, tag completion/locking, a spelling/style check and, on Windows, lossless import/export of Microsoft Word documents. XML Copy Editor is free software released under the GNU General Public License.
More information and download available at http://xml-copy-editor.sourceforge.net
