WCM & CMS

Leading Open Source WCM

Plone

Plone is easy to use. The Plone Team includes usability experts who have made Plone easy and attractive for content managers to add, update, and maintain content.
Plone is easy to install. You can install Plone with a click-and-run installer, and have a content management system running on your computer in just a few minutes.
Plone is international. The Plone interface has been translated into over 30 languages, and tools exist for managing multilingual content.

eZ Publish 3

eZ Publish is an open source content management system (CMS) and an open source content management framework (CMF).

Drupal

Drupal is an open-source platform and content management system for building dynamic web sites offering a broad range of features and services including user administration, publishing workflow, discussion capabilities, news aggregation, metadata functionalities using controlled vocabularies and XML publishing for content sharing purposes. Equipped with a powerful blend of features and configurability, Drupal can support a diverse range of web projects ranging from personal weblogs to large community-driven sites.

Alfresco

Alfresco is the first open source enterprise-scale document management system that includes a modern content repository, an out-of-the-box portal framework for managing and using content designed to work with standard portals, and a groundbreaking Common Internet File System (CIFS) interface that provides Microsoft Windows file system compatibility. Alfresco takes the lessons of building document management systems for the last 15 years and applied them to build an open source content management system that is easier to use, more scalable and more adaptable.

Other WCM

Typo3

TYPO3 is a free Open Source content management system for enterprise purposes on the web and in intranets. It offers full flexibility and extendability while featuring an accomplished set of ready-made interfaces, functions and modules.

Here are some of the key features:

* Authoring
Platform independent, publish everywhere: The website can be edited through any computer connected to the internet with a current web browser - wherever you are, no other software needed.
* More than 33 backend languages

Jahia

An integrated web content management and corporate portal server; 100% Java based; Available under a collaborative source license (contribue or pay paradigm); Installed in minutes; Easy to use and to administer; Full Multilanguage and I18N support; Staging environement (Draft & Preview mode); Content Workflow; Content Versioning; Document Management (WebDAV Support); Built-in Portlet-based interface; Built-in support for standardized java web applications and web services (default servlets supported as portlets); Full web-based administration; Integrated with the Apache Lucene Search Engin

DotClear

DotClear is a neat blogging platform. Since DotClear 2, it is a multi-blogs platform, really suited for enterprise blogging. Developped by a french community, DotClear still lakes the support of a strong english speaking community.

WordPress

A semantic personal publishing platform with a focus on aesthetics, web standards, and usability.

SilverStripe

SilverStripe is an intuitive content management system atop a powerful programming framework.

Oxite

This is a simple blog engine written using ASP.NET MVC

Frog CMS

Frog CMS simplifies content management by offering an elegant user interface, flexible templating per page, simple user management and permissions, as well as the tools necessary for file management.

Concrete5

c5 is a Framework for developing content centric websites.

Radiant CMS

Radiant is a no-fluff, open source content management system designed for small teams.

Radiant features:

- An elegant user interface
- Flexible templating with layouts, snippets, page parts, and a custom tagging language
- A first-class extension/plugin system
-Simple user management and permissions

ImpressCMS

ImpressCMS is a community developed Content Management System for easily building and maintaining a dynamic web site. Keep your web site up to date with this easy to use, secure and flexible system.

It is the ideal tool for a wide range of users: from business to community users, from large enterprises to people who want a simple, easy to use blogging tool.

MiaCMS
CMS Made Simple
MODx

A content management framework (CMF), a custom web application builder, and content management system (CMS).