XStandard XHTML WYSIWYG Editor
XStandard is the leading, standards-compliant plug-in XHTML WYSIWYG editor for Windows and browser-based (IE / Firefox) content management systems. Advanced editing capabilities, multilingual (including right-to-left languages such as Hebrew and Arabic), fully customizable. ... The editor's "Directory" feature communicates with third-party applications (such as your CMS) and allows users to insert data from external sources directly into the editor. ... Generates clean XHTML Strict or 1. ... The Lite version of XStandard is free for commercial use.
http://xstandard.com - 6Mb - Download - Screenshot

SciWriter
SciWriter is an XML-based scientific editor that completely integrates writing mathematics and text in the same environment. The native document format is a subset of XHTML 1. 1 and MathML 2. 0 Presentation Markup. Print Publishing: A SciWriter document can be exported to LaTeX and be published... Web Publishing: SciWriter documents can be published on the web as XHTML+MathML or as HTML with equations as images.
http://www.soft4science.com/downloads/SciWriter/SciWriter.exe - 4Mb - Download - Screenshot

CoffeeCup Free HTML Editor
The CoffeeCup Free HTML Editor is a drag and drop HTML Editor with Built-in FTP uploading. It has wizards for tables, frames, forms and fonts and comes with all HTML 4. 0 and XHTML tags. The Free version also includes wizards for images, links and a Quickstart so you can create web pages fast.
http://mercedes.coffeecup.com/CoffeeFreeHTML.exe - 10Mb - Download - Screenshot

Rapid PHP Editor 2006
Rapid PHP editor is fully featured, quick and sophisticated PHP editor that extends far beyond the essentials of regular PHP editing environments. Convenient features enable you to instantly create, edit and test not only PHP, but also HTML, XHTML, CSS and JavaScript code, while integrated tools... Rapid PHP editor is the only PHP editor that also includes features of a full-scale HTML, CSS and JavaScript editors - auto complete, property inspector, preview, code insertion and much more. ... Whether you are a professional developer or pure enthusiast, with Rapid PHP editor you can get your...
http://www.blumentals.net/download/rapidphp7.exe - 4Mb - Download - Screenshot

Interspector
Interspector is a code-based HTML/XHTML/XML editor. An inovative approach allows Interspector to massively decrease web site maintenance time by eliminating repetitions.
http://www.cablevision.qc.ca/popupsolutions/Interspector_Setup.exe - 3Mb - Download - Screenshot

HTMLPad 2004 Pro
HTMLPad 2004 Pro brings you all features of powerful HTML, XHTML, CSS and script editor while saving disk space, keeping great speed and providing convenient pure text editing environment. Special code writing features enable you to instantly create and edit HTML, XHTML, CSS and scripts, while... 01, XHTML 1. ... 0 and XHTML 1. ... List of key features: * Advanced, fully customizable and familiar text editor * Syntax Highlighting for HTML, CSS, JavaScript, VBScript, PHP, ASP, Perl and XML * HTML 4.
http://www.blumentals.net/download/hpad5pro.exe - 3Mb - Download - Screenshot

JXHTMLEDIT - WYSIWYG XHTML Editor
JXHTMLEDIT is a cross-platform WYSIWYG HTML/XHTML content authoring tool, a very small Java applet based on the Java 2 Platform. JXHTMLEDIT provides word processor-like user interface that allows to edit the document directly in the final form (as will be rendered). ... jar) : support only local clipboard; - applet jar is less than 150 KB, loads quickly - WYSIWYG and source code editing (the source editor pane may be disabled) - partial support for stylesheet CSS1 - support custom tags - customizable charset encoding, support international character sets and html entities (require...
http://easynews.dl.sourceforge.net...jxhtmledit/jxhtmledit_4_0_005.zip - 489Kb - Download - Screenshot

CSE HTML Validator Professional
CSE HTML Validator Professional is a fast, powerful, highly user configurable, and easy to use professional web development tool that helps you create syntactically correct and accessible HTML, XHTML, and CSS documents. The new HTML Tidy Tool can even fix HTML and XHTML (and more). ... The latest version of CSE HTML Validator includes accessibility checking (Section 508 and WCAG), CSS syntax checking, link checking, spell checking, a powerful, easy to use, integrated HTML/text editor, an integrated web browser (browse the web while you validate the pages), and a powerful Batch Wizard that...
ftp://ftp.htmlvalidator.com/pub/htmlval/csesetup.exe - 4Mb - Download - Screenshot

Rapid CSS Editor 2006
With Rapid CSS Editor you can quickly and easily create and edit cascading style sheets of any size and complexity. You can write the style sheet code manually or let the program do it for you. In each case it is easy because of various helpful features, including CSS validator, auto complete... Rapid CSS Editor is also an HTML editor and it makes CSS powered HTML editing a snap. ... Rapid CSS Editor is designed to save your time and make the job easier. ... Results are shown instantly using built-in preview.
http://www.blumentals.net/download/rapidcss7.exe - 4Mb - Download - Screenshot

CSE HTML Validator Lite
CSE HTML Validator Lite is a fast, easy to use, and free HTML development tool for Microsoft Windows that helps you create syntactically correct HTML and XHTML. You'll be surprised how many problems may exist in your HTML, even if it was made with a WYSIWYG editor or automatic HTML generator. ... You can even fix your documents inside of HTML Validator by using the integrated editor. ... More powerful commercials editions are also available. ... CSE HTML Validator will help you quickly locate and fix HTML problems so that your documents are easily viewed by a variety of web browsers.
ftp://ftp.htmlvalidator.com/pub/htmlval/cselite.exe - 4Mb - Download - Screenshot