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

Encrypt HTML Pro
Web Source Protector is a software to protect your web pages and prevent others from viewing and reusing your web page source code, including HTML source code, JavaScript, VBScript, text, links and graphics, thus protect your hard work and unique design on the web. ... In addition to encrypt the source code and make it impossible for people to read, Web Source Protector also takes some additional measures to further protect your web page, such as disable right mouse click, disable link display in status bar, disable text selection, disable off-line use, disable page printing, disable IE6...
http://www.mtopsoft.com/download/enchp.zip - 781Kb - Download - Screenshot

CodeMarkers
It's a code library tool for all IT professionals. It allow you manage your source codes expediently. It enables you to insert markers into your source codes when you are reading and find them when you need so fast. It can help you to manage and organize your notes, code, examples, and files in... CodeMarkers works by the marker in source code, so it can manage all text files. ... Edit text files such as the source files ofC,C++,C#,Java,Pascal,Asp,PHP or others by a syntax highlighting editor. ... You can customize any files need manage, such as HTML files or Txt files.
http://www.prgsoft.com/codemarkers/codemarkerssetup.exe - 2Mb - Download - Screenshot

PHP Processor
PHP Processor is designed to help you protect your intellectual property when distributing PHP source files. The other use for PHP Processor is to optimize PHP source code and considerably decrease size of your source code files. PHP Processor provides a fast, intuitive way to obfuscate your PHP... The application comes with built-in code editor, featuring adjustable modes of code highlighting (PHP, HTML, JavaScript, CSS), convenient backup system, multilingual interface, built-in FTP client, powerful Help and Hints systems and much more.
http://www.gridinsoft.com/downloads/phppro14.zip - 1Mb - Download - Screenshot

WebWrap
WebWrap is a small utility program to compress and code your HTML web files. It uses either a modified LZSS algorithm or the URL coding procedure, and can reduce the size of your files by more than 50%. It also renders the source of any HTML pages you have created, your design features and... In addition to compressing and coding your HTML files, you also have the opportunity to add automatically a password protection script. ... The WebWrapped files you create are self-extracting and do not require any third-party software.
http://www.tac-soft.com/wwsetup.exe - 727Kb - Download - Screenshot

HTMLBlock - HTML Protection
Encrypt HTML, HTML Encryption HTML encryption is a method used to protect your website content and source code in JavaScript and Hex Code. Anyone can view the source code of a webpage, but with the use of HTML Block it encrypts your source code into unreadable code. ... Using free Javascripts which you can download are now no longer the way forward, as HTML Block encrypts all its code into unreadable code which is a much higher security level than ever before. ... Well there are wrong now, as a team of experts have developed a special plug-in which you install on your server which stop's...
http://www.htmlblock.co.uk/setup.zip - 2Mb - Download - Screenshot

HTML Guardian
Encrypt HTML, SHTML, JavaScript, VBScript, PHP and ASP files. Hide HTML source code from web site thieves. HTML Guardian is a solution for total Web site protection -it will make impossible stealing and re-using your source code in other websites.. Image protection add-on [Image Guardian] is... You can also encrypt HTML formatted email, and compress html code. ... The included Ultra-Strong HTML Password protection utility offers 384 bit password protection for html files. ... HTML Guardian will protect your website from email spiders,site rippers and web content filters.
http://www.protware.com/dl/HTMLGuardian.exe - 7Mb - Download - Screenshot

Secure HTML Lock
Lock html, cryptate and protect your webpages from theift! Make your website secure and prevent theft of your html source code. Secure HTML Lock is easy and fast to use, no html knowledge needed. Several bonus features included like email address protector and popup generator. ... Get Secure HTML Lock NOW and be safe! ... Don't let anyone steal your source ... ... You know how much energy and money it takes to create a unique and professional website ...
http://www.submitad.com/files/securehtml1.exe - 4Mb - Download - Screenshot

BlazingTools Instant Source
Instant Source opens the additional toolbar at the bottom of IE window. It shows HTML source of the current page, selection or an item under the cursor. Also it shows and lets you to save all external files on a page, include Flash movies, style sheets (*. ... - The View Source command displays HTML in the Notepad without any syntax highlighting. ... Why is Internet Explorer's View Source command inconvenient for viewing HTML? ... It has a built-in HTML viewer and editor with a handy HTML, Javasript and VBScript syntax highlighting.
http://www.blazingtools.com/downloads/i_isrc2003.exe - 317Kb - Download - Screenshot

HtmlSource Viewer
"HtmlSource Viewer" is a simple yet powerful utility for in-depth viewing and analyzing any web page source code. It was primarily designed for web developers seeking a quick and easy way to analyze and debug web pages they are working with, but could also be used by anyone looking to see "how... Key Features: Displays HTML source code that exactly matches visible content of the page, but can also show HTML source as it was loaded from the server. ... Can be used to browse HTML source code in any program that uses Internet Explorer internally - Html Help like this document for example.
http://www.goorbis.com/download/htmlvw.exe - 692Kb - Download - Screenshot