DocTaur is a Web-based searchable directory of reference manuals. You can freely download, install, and administrate it on your local Linux intranet server. It is powered by the ht://Dig searchengine and contains reference manuals for developers.
Perl and mySQL based website engine/photo gallery designed specifically for owners of digital cameras for easy mass image organization. Allows for webpages, galleries, journals, user/admin permissions, comments, keyword searching and more.
Frosttie (FROnt-end SchemaTron Text Internet Engine) takes XHTML pages and processes them with various user-definable filters such a W3C's WAI, Section 508 (US) web usability compliance, ad removal, etc. It can be used with zKnowMan.