JXMLPad
Powerful Java^TM swing component for editing XML documents.

Note : For activating this custom element view you must insert first : SharedProperties.FULL_TEXT_VIEW = false

Usage	Windows XP	Linux / Metal	Mac OS X
Simple application
Bookmark
Sharing a tree with internal frames
Internal frames
Creating a JSP editor
Using a custom look
Detecting an error
Simple case
Using a custom location statusbar
Blue theme

For screenshots of JXMLPad in a complex application look at EditiX or XFlows