Skeletonz is a new content management system (CMS) based on Python. It differs from others by being simple, but yet very powerful and extensible. If you need a simple system that you and your users are going love then Skeletonz might be the solution you are looking for! The system is open source and released under GNU GPL. Last updated 11 weeks 3 days

triptic-CMS is a LAMP-based Content Management System which is build with flexibility and custom applications in mind.  Last updated 11 weeks 3 days

XOOPS is an acronym of eXtensible Object Oriented Portal System. Though started as a portal system, XOOPS is in fact striving steadily on the track of Content Management System. It can serve as a web framework for use by small, medium and large sites. Last updated 11 weeks 2 days

TYPO3 is a small to midsize enterprise-class Content Management Framework offering the best of both worlds: out-of-the-box operation with a complete set of standard modules and a clean and sturdy high-performance architecture accomodating virtually every kind of Last updated 11 weeks 3 days

OpenPublish is a packaged distribution of the popular open source social publishing platform, Drupal, that has been tailored to the needs of today's online publishers. OpenPublish is ideal for the implementation of a variety of media outlets sites including magazines, newspapers, journals, trade publications, broadcast, wire service and membership publications. Last updated 11 weeks 3 days

Jahia is the first Web Content Integration software to allow users to manage all content—from business, collaborative and social application portals to widgets, gadgets, pictures, Microsoft Office files and RSS feeds—all in one simple user interface. Last updated 11 weeks 3 days

Qool is a multisite, multilanguage content management system that relies on 3 things:

• Security
• Easy to use
• Extendability

Qool allows content to be reused, republished in multiple formats like PDF,RTF,XML,Open Document Format and more. Can be extended very easily and supports a lot of features a proper CMS should have. Last updated 11 weeks 2 days

MiaCMS is a fork of the Mambo CMS. Why a fork? We felt that the policies, processes, and priorities of the official Mambo Foundation were having a negative impact on the code and the community. Innovation, creativity, and team spirit have all but been eliminated. Thus the fork. Last updated 11 weeks 3 days

Mambo is released under Version 2 of the GNU General Public license (GNU/GPL).The GNU/GPL provides for a person or persons to distribute Mambo for a fee, but not actually charging for the software itself, because Mambo is free. Last updated 11 weeks 3 days

ViArt Shop is an ecommerce package available to install in PHP and offers you one system capable of performing all of the functions needed to run a business online. A fully featured PHP Shopping Cart with an advanced set of Sales Mechanisms (Products reviews and ratings, Discounts mechanism, Shipping and Stock mechanisms and more). Last updated 11 weeks 3 days

XOOPS Cube is a a free Open Source Web Application Platform released under BSD license and Base Legacy modules released under GPL license.

The XOOPS Cube Project is friendly managed, maintained, developed and supported by a volunteer group to expand our network, vision, creativity and skills. Last updated 11 weeks 3 days

A full-featured, web-based, multilingual (35+ languages), tightly integrated, all-in-one Wiki+CMS+Groupware, Free Source Software (GNU/LGPL), using PHP, MySQL, Zend Framework, jQuery and Smarty. Tiki can be used to create all kinds of Web applications, sites, portals, knowledge base, intranets, and extranets. It is actively developed by a very large international community.
Last updated 9 weeks 2 days

Plone is a user-friendly powerful content management system - ideal as an intranet and extranet server, as a document publishing system, a portal server and as a groupware tool for collaboration between separately located entities. Last updated 11 weeks 3 days

PAUX is software to develop, manage and publicize dynamic individualized content by linking reusable semantic content objects semantically. PAUX takes its own path of knowledge representation by linking single objects such as words, sentences, pictures, persons etc. to a network. Therefore, PAUX can be classified only partially in the area of existing systems like CMS/ECMS, Wiki, LMS or LCMS. Last updated 11 weeks 3 days

The only CMS designed for colleges and universities, OmniUpdate is an easy to use, quick to deploy, affordable solution that allows your institution to improve the overall quality and effectiveness of your website as a recruiting, brand development and fund raising tool. Last updated 11 weeks 2 days