Total Validator Tool
Why use separate validation tools to check your web pages when you only need one? The Total Validator Tool performs the most important validations on your web pages: True (X)HTML validation against published W3C/ISO DTDs; accessibility validation against the W3C and US Section 508 guidelines;... You should ensure your sites conform to the W3C WAI Accessibility Guidelines, (and that also means strictly W3C validated HTML), or US Section 508 standard, if you want your site to be accessible to all.
http://www.totalvalidator.com/downloads/TotalValidator_F200.exe - 2Mb - Download - Screenshot

HTMLSpy
HTMLSpy is a tool for who are learning html and who want to know how are created the best sites in the world. You visit sites, collect html sources and them part for using in own pages. Other HTMLSpy function is visual validation of html code. If source has error(s) the first line does not... It means that html code is not well-formed. ... HTMLSpy include colored html viewer and editor for changing and comment code. ... You can correct source and check it again.
http://www.onlyscreensavers.com/files/htmlspy.exe - 320Kb - Download - Screenshot

HTML-Encrypter
Do you ever wanted to protect your homepage against copyright validation? With HTML-Encrypter you can encrypt the source code of your HTML files. The files look normal in any Bowser but the source code is not human readable. Protect your Know How now!
http://www.cadkas.de/htmlencrypt!.exe - 441Kb - Download - Screenshot

LinxExplorer
LinxExplorer is a link validation tool that enables you to check and validate web sites and local HTML files to find broken links. It checks internal and optionally external links relative to the starting URL and presents the results in real-time. The results can be filtered and exported to HTML... You can create many validation and transfer tasks and easily switch between them. ... You can examine downloaded images, ASCII text and HTML files. ... You can open and edit multiple local HTML and text files.
http://www.linxexplorer.com/download/linxe10setup.exe - 1Mb - Download - Screenshot

Web Weaver Gold
Create exciting Web pages quickly and easily with this feature-rich HTML editor! Tutorials and wizards step you through Web page creation making you an HTML expert in no time! It features colored HTML code for easier editing; wizards for creating advanced HTML like Imagemaps, Frames, Tables and... Web Weaver Gold supports all HTML tags as well as Active Server Pages (ASP), XML and CSS. ... Check our Web site for 30 to 50% off when you purchase Web Weaver! ... Perfect for beginners as well as advanced users.
http://highspeed1.movedigital.com:...ovedigital/temp/305733/ww2005.exe - 8Mb - 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

123 HTML Forms
An advanced Web Form Builder that allows you to create HTML Forms quickly and easily. You can create an unlimited number of forms with any number of radio-buttons, checkboxes, pull-down menus, text areas, etc. It supports form validation. Form submissions may be sent to multiple email addresses. ... It can create multi part forms, forms with file upload fields, product/service/price request forms, message and question submission forms, subscription forms, survey forms, quizzes and tests, feedback forms, customer satisfaction forms, email notifications, evaluation forms, order forms etc.
http://phpforms.net/123-html-forms.exe - 607Kb - Download - Screenshot

HTMLPad 2006 Pro
HTMLPad is sophisticated all-in-one HTML, CSS, JavaScript and even server side script editor. Clean and convenient interface, quick startup, true flexibility and powerful features allow you to create and edit HTML, CSS, JavaScript, PHP and ASP code faster and easier than ever, while integrated... Features include: * Advanced, fully customizable and familiar text editor * UTF-8 Unicode support * Syntax Highlighting for HTML, CSS, JavaScript, VBScript, PHP, ASP, Perl and XML * Various HTML, XHTML and CSS standards compliance * HTML and CSS validation * Auto Complete for HTML, CSS and...
http://www.blumentals.net/download/htmlpad7.exe - 4Mb - Download - Screenshot

Paessler Site Inspector
Paessler Site Inspector is a web browser that combines the two most frequently used browser engines (Internet Explorer and Mozilla/Gecko) into one program. Its advanced analysis features make it the perfect companion for webmasters and web developers. ... "CSS/HTML validation", "link checking", "ping the server", "traceroute the server", "show domain owner", "W3C markup validation") are also included and can be customized according to requirements. ... For example: For any given URL, users can access lists of the images, forms, links, frames, meta tags or the scripts of a web page as well...
http://download2.paessler.com/download/psi.zip - 12Mb - 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