HTMLArea 4 is a browser based WYSIWYG editor that easily replaces the TEXTAREA in your web pages. It is written in JavaScript, and suitable for use in any modern web browser, and any page on your web site. Current version is 4.0-2016-08-29
Luci is an accessibility tool (html parser written in Perl) designed to provide users with a text-only experience of a web site. Inspired by the Betsie project, Luci offers features such as ssl, cookies, frames, 401 authorization (ie. htaccess), etc...
Wiki Text Formatting Engine (WTF Engine) converts simple text into HTML. It will run on any platform using a variety of languages such as PHP, Perl, JavaScript and VB Script. It is intended to be a library used in other software packages.