LwXedit(http://www.hotnews.ch/lwxedit.html)というJavaベースのXMLブラウザがあるそうだ。

LwXedit is a java based browser for XML documents and XML based applications. The name derives from the primary days where it used to be a simple Xml editor. We tried to find a better name but the namespace proved to be to polluted, perhaps we end with a number.