What is XMLmind XML Editor?

XMLmind XML Editor is a strictly validating, near WYSIWYG, XML editor, having:

Extensive DITA 1.3 support, including Lightweight DITA, XDITA, HDITA, MDITA. More »
Extensive DocBook support, including DocBook 5.1 assemblies. More »
Extensive XHTML5 support, including the ability to convert a set of HTML pages (an “ebook”) to EPUB, PDF, Web Help, DOCX, etc. More »

It also has a number of unique features such as a built-in, near WYSIWYG, MathML editor, an integrated spreadsheet, industrial strength DOCX import facility, industrial strength RTF, WML, DOCX and ODT export facilities. More »

XMLmind XML Editor is highly customizable either by the end-user or by the local guru. XMLmind XML Editor is highly extensible without having to program (though it also has an extensive, well-documented, Java™ API). More »

XMLmind XML Editor is not a programmer's tool. Its users are generally technical writers, engineers and scholars who use it to write large, complex, modular, documents.

XMLmind XML Editor is also available as attractively priced, “special editions” called: XMLmind DITA Editor, XMLmind DocBook Editor, XMLmind XHTML Editor. More »

XMLmind XML Editor Personal Edition is free to use by many persons and organizations. More »

Editing a DITA bookmap. (Windows 10; HiDPI screen.)	A DITA task. (Windows 10; HiDPI screen.)
DITA map and topics side by side. (Windows 10; HiDPI screen.)	Styled view of a DocBook document.
Modular DocBook book styled using the "Table of contents" stylesheet and its chapters side by side.	Editing a MathML equation found in a DocBook 5 document. (Linux; HiDPI screen.)
Editing a DocBook 5.1 assembly.	XHTML 5 form controls and ruby elements when the "Emulate Web Browser" CSS has been selected. (Mac with Retina display.)
Giving a background color to a group of columns in a table. (Mac with Retina display.)	$Editing a MathML equation found in a XHTML 5 document$ Editing a MathML equation found in a XHTML 5 document. (Mac with Retina display.)
Three synchronized views of the same document: Tree View (no CSS), Styled View (normal CSS), “TOC View” (CSS only showing headings). These views are all fully editable.	Tag View.
Source View.	Form controls embedded in a styled view.
Editing a mix of XML data (a bug report) and XHTML document (the description of the bug).	The Compare tool showing the differences existing between `doc.xml 1` (the initial revision, opened in read-only mode) and `doc.xml` (current revision), displayed side by side.
The "Browse Files" tool (left/top) and the "Search Files" Tool (left/bottom).	Editing a spreadsheet formula inserted in an XHTML document. (Requires installing the "Integrated spreadsheet engine" add-on.)