Jaxe is a Java XML editor with a graphical document-oriented interface. It is configurable with an XML schema and a configuration file. It supports validation at element insertion, and is customisable with Java modules. XSL transforms can be used to export documents in XML, HTML, or PDF. Sample configurations include XML schemas, XHTML strict, Docbook, and DITA.
elRTE is a WYSIWYG HTML editor for the Web written using jQuery. It features rich text editing, options for changing its appearance and style, insertion and management of various HTML elements with formatting (images, tables, lists, etc.), support for viewing and editing HTML code, and normal and full-screen modes.