A minimalist wiki engine that is file-based and is encoded in a single document. Site contains downloads, a roadmap, as well as some plugins and templates.

Small, lightweight, handy, expandable, multilingual Wiki-engine based on Wakka Wiki. WYSIWYG editor, easy installer, many localizations, email notification on changes/comments, several cache levels, design themes (skins) support, XHTML compliance, pag...

A light PHP/MySQL wiki engine with archived history, search, admin panel and skins (released under proprietary Particle Soft End User Licence).

A free wiki engine written in PHP and MySQL available under the GPL. Site contains source code and documentation.