Xeditor is a web-based XML editor with a WYSIWYG interface.It hides the XML-code in the background and presents the content in a more user-friendly format. The frontend is similar to Microsoft Word.The editor offers support of XML standards like for technical documentation (DITA / DocBook / S1000D). Thanks to WIRIS the author can edit and display mathematical formulas in MathML.The JavaScript architecture is based on ExtJS.