Free Cms
Free CMS, including modules online store with a basket and ordering system.
More Info 
Developer: Andrey
License: GNU Lesser General Public License (LGPL)
Operating System: UNIX
CMS.
Developer: O. Tebenko
License: GNU General Public License (GPL)
Operating System: (UNIX, Win NT, XP
Simply setup, easy to manage everyday content.
Developer: Nath
License: Freeware
Operating System: Windows
AdaptCMS Lite is an open source CMS that is made for complete control of your website, easiness of use and easily adaptable to any type of website.
Developer: Charlie Page
License: GNU General Public License (GPL)
Operating System: All
AdaptCMS was created as a content management system that could be used with any content website and have the ability to easily customize every aspect of your site as you wish.
Developer: Insane Visions
License: GNU General Public License (GPL)
Operating System: 64-bit MS Windows, All 32-bit MS Windows (95/98/NT/2000/XP), All BSD Platforms (FreeBSD/NetBSD/OpenBSD/Apple Mac OS X), All POSIX (Linux/BSD/UNIX-like OSes)
iWare CMS is a free PHP / MySQL based content management system written for personal use and for small companies.
Developer: iWare
License: GNU General Public License (GPL)
Operating System: Unix, Windows
Free Simple CMS is content management software (CMS) that is available as a free download under the GNU General Public License.
Developer: Dustin Cowell
License: GNU General Public License (GPL)
Operating System: All
CMScout is a free and open-source CMS (Content management system) for Scouting related groups from around the world.
Developer: CMScout
License: GNU General Public License (GPL)
Operating System: ALL
Jojo is a free PHP based CMS for web developers wanting to build good websites.
Developer: Jojo Open Source Content Management System
License: GNU General Public License (GPL)
Operating System: OS Independent (Written in an interpreted language)
SAPID is a free ware CMS for creating and management of personal sites.
Developer: Max Baryshnikov
License: Freeware
Operating System: Any
Free (under GPL) weblog/photoblog and cms platform to share your content online without technical skill.
Developer: dBlog.it
License: GNU General Public License (GPL)
Operating System: Win NT, XP
MemHT Portal is a Free Multilingual Content Management System.
Developer: Miltenovik Manojlo
License: GNU General Public License (GPL)
Operating System: ALL
Zikula Chat Module is a FREE application of 123 Flash Chat Software offered for Zikula CMS.
Developer: Daniel
License: GNU General Public License (GPL)
Operating System: Windows. Linux, Mac
A lightweight all-PHP CMS using O-O classes, some CSS and a few Javascript files.
Developer: Graham Trott
License: BSD License
Operating System: LAMP
Kentico CMS for ASP.
Developer: kentico.com
License: Freeware
Operating System: All
Clever Copy - from blog to full CMS.
Developer: Magus Perde
License: Freeware
Operating System: linux, freebsd, osx, sun
iWare CMS is a free PHP / MySQL based content management system written for personal use and for small companies.
Developer: Edwin Sulsters
License: Freeware
Operating System: Linux/Windows
A free open-source content management application released under the GPL
Simple Web Content Management System™ is a complete content managment website.
Developer: Jeff Lynn
License: GNU General Public License (GPL)
Operating System: Apache or IIS web servers with PHP and MySQL
Micro CMS is the only program available that combines a search-engine-friendly WYSIWYG with a simple, AJAX-based content management system, making the management of your static web site incredibly easy and fast.
Developer: Implied By Design LLC.
License: Freeware
Operating System: Linux / Windows
Free (under GPL modified) weblog/photoblog and CMS platform to share your content online without technical skill.
Developer: Tutti i diritti
License: GNU General Public License (GPL)
Operating System: windows