Open source XML editor aimed at ease of use
Author: The Conglomerate Team Homepage: http://www.conglomerate.org/index.html (Down - 05/13/09 --DMcCunney) Family: XMLEditorFamily LinuxEditorFamily MacintoshEditorFamily Platform: Linux, Mac OS/X License: GPL
Conglomerate should allow you to load and edit any well-formed XML document. There are various hints that can be provided to make editing documents of a particular type more pleasant.
Screenshot: