htmLawed is a PHP script that makes input text more secure, HTML standards-compliant, and suitable in general from the viewpoint of a Web-page administrator, for use in the body of HTML 4 or XHTML 1 or 1.1 documents. It is a customizable HTML/XHTML filter, processor, purifier, and sanitizer. It can ensure that HTML tags are balanced and properly nested tags, neutralize code that may be used for cross-site scripting (XSS) attacks, and limit the allowed HTML elements, tags, attributes, or URL protocols.
Aquarium is a text filtering package written in PHP. It filters nearly all four-letter words, profanities, curses, and pornographic language from any text, while filtering nearly no benign words. Aquarium can keep your blog, forum, guestbook, or other dynamic Web application clean and suitable for all ages.
BASP (BAsh Server Pages) is a patch against Bash for processing HTML templates (or any documents) with embedded shell scripts. The advantage is that you have full access to the shell and system environment without learning yet another programming language. This project has been merged with BashDiff.
XAO Web Developer makes creating and maintaining dynamic, database-driven Web sites easy. It has some distinguishing features that make it stand out from other Web development tools: code and template separation, out-of-the-box database integration, an OO architecture, multi-site hosting support, a rich set of ready to use Web objects, extendability, and more.
RetroWeb is an extension for RetroForth intended to ease the task of creating Web pages. It is still close to HTML, but offers a more compact syntax. Most importantly, it allows you to work with the full power of Forth to generate HTML code. It can be used to create both static HTML files and simple dynamic CGI responses.