XMLEspresso

XMLEspresso is an advanced XML Editor with brand new features such as XPath search and XSLT transformations. It supports Standalone, Document Type Definition (DTD) and W3C XML Schema. XML document is guided by the underlying grammar and it can be validated against its DTD or W3C XML Schema. it includes advanced XPath search, XSLT transformations, and XML content assist makes it easy to edit in Source view. Deisgn view makes it easy to add new elements, attributes and edit content.

Requirements:

Java 6.0