Vex is a CSS-styled XML editor based on the Eclipse platform. It provides a word processor-like interface for document-style XML documents such as DocBook and xhtml.
This is a validating xml editor for creating, edititing an manipulating XML files by a web interface. It is based on open standards like XHTML, JavaScript, DOM and CSS for the client and JavaServlets, JSP for the server.
A lightweight cross platform XML editor. It has a tree viewer/editor and supports content completion, XPath, XQuery, XSLT, XML document validation etc. Many GUI features are configurable and supports multiple languages (localization).