XMLGear is an XMLparser, styler, generator and editor libruary for Java ME, SE, EE devices. It provides you DOM model support and full object-oriented editor with fast and lightweight code.
JXMLEditor is a XML editor developed in Java which is based on the
Xerces Javaparser. The goal of this editor is to offer some features (tree view, drag & drop, syntax colorizing) to create XML documents easily. Also available as Eclipse Plugin.