The Free / Libre / Open Source Web App with the most built-in features
WackoWiki is a light and easy to install multilingual Wiki-engine.
RhinOS, CMS, Content Management System, Josep Sanz Campderrós
Lightweight flat-file blog engine and CMS
PHP Document Management System (DMS)
a fast simple CMS system based on PHP & Sqlite
The file based CMS with full-featured editing
Gnew is a simple Content Management System (CMS)
A portable, HTML5 file-based CMS
Мощная система публикации новостей
A simple CMS for digital music shop (or freely downloadable music)
Open Source photo Library Software
web cms for clans and esport related pages
omaCMS is the databaseless flat file content management system
Qool is a cms that allows you to take advantage of your site
a free & lightweight CMS