CMS / DMS - Content Management Systems + Document Management System

A content management system (CMS) is a collection of procedures used to manage work flow in a collaborative environment. These procedures can be manual or computer-based. The procedures are designed to:

    * Allow for a large number of people to contribute to and share stored data
    * Control access to data, based on user roles. User roles define what information each user can view or edit
    * Aid in easy storage and retrieval of data
    * Reduce repetitive duplicate input
    * Improve the ease of report writing
    * Improve communication between users

A document management system (DMS) is a computer system used to track and store electronic documents and/or images of paper documents. The term has some overlap with the concepts of content management systems.

	Alfresco is an enterprise content management system. Alfresco comes in two flavours. Alfresco Community Edition is free software, LGPL licensed open source and open standards. Alfresco Enterprise Edition is commercially / proprietary licensed open source, open standards and enterprise scale. Its design is geared towards users who require a high degree of modularity and scalable performance. Alfresco includes a content repository, an out-of-the-box web portal framework for managing and using standard portal content, a CIFS interface that provides file system compatibility on Microsoft Windows and Unix-like operating systems, a web content management system capable of virtualizing webapps and static sites via Apache Tomcat, Lucene indexing, and jBPM workflow
	Joomla! is an open source content management system platform for publishing content on the World Wide Web and intranets as well as a Model–view–controller (MVC) Web application framework. It is written in PHP, stores data in MySQL and includes features such as page caching, RSS feeds, printable versions of pages, news flashes, blogs, polls, search, and support for language internationalization. Within its first year of release, Joomla was downloaded 2.5 million times. Over 4,000 free and commercial plug-ins are available for Joomla.
	Magnolia powers the websites of government as well as leading Fortune 500 enterprises in more than 100 countries on all continents of the world. It is a leading Content Management System favored for its ease-of-use and availability under an Open Source license. The page editing interface enables authors to lay out content exactly as it would appear to the website visitor. Under the hood, Magnolia contains best-of-breed Java technology based on open standards to allow for tailor-made solutions. Enterprise-grade support and services are available by the vendor and partners world-wide.
	Drupal is a free and open source content management system (CMS) written in PHP and distributed under the GNU General Public License. It is used as a back-end system for at least 1% of all websites worldwide, ranging from small personal blogs to large corporate and political sites, including whitehouse.gov and data.gov.uk. It is also used for knowledge management and business collaboration.
	Liferay Portal is an enterprise portal which complies with the JSR-286 standard and includes a suite of applications (e.g., Content Management System, blogs, instant messaging, message boards, etc.). It is distributed in three different versions: Enterprise Edition, Community Edition and Liferay Social Office  Sun Microsystems has re-branded the offering GlassFish Web Space Server. Liferay, Inc. is a professional open-source company that provides free documentation and paid professional service to users of its software.
	KnowledgeTree is a document management system  that is easy to install and use across a broad range of organizations. The features included in the community edition — including workflow, version control and audit trails — help manage the document lifecycle, promote collaboration, reduce paper and ensure compliance