Alfresco - Enterprise Content Management System

•    Java

Alfresco is the open source alternative for Enterprise Content Management (ECM), providing Document Management, Collaboration, Records Management, Knowledge Management, Web Content Management, Image Management, Content Repository, Workflow. It supports CIFS interface to provide file system compatibility on Microsoft Windows and Unix-like operating systems.

bitfarm-Archiv -Powerful Document Management (DMS)

•    Python

bitfarm-Archiv is a powerful Document Management (DMS), Enterprise Content Management (ECM) and Knowledge Management System (KMS) with Workflow Components. Features: Scanning, OCR, Full text search, Email archiving. In addition to archiving electronic documents according to legal requirements, bitfarm-Archiv offers professional and user-friendly Enterprise Content Management (ECM) which has built in workflow management and versioning as well as a highly efficient contract management.

Jahia - Enterprise Content Management in Java

•    Java

Jahia is a open source Enterprise Content Management System. It supports Content Management, Document Management, Wiki, Blog, Forum, Social networking, Workflow, Document search, Federated Search, Multilingual, Multi Site Management, Mobile Apps etc.

Plone

•    Python

Plone lets non-technical people create and maintain information using only a web browser. Perfect for web sites or intranets, Plone offers superior security without sacrificing extensibility or ease of use.

Xoops - Web content management system in PHP

•    PHP

XOOPS is an acronym of eXtensible Object Oriented Portal System. XOOPS is a web application platform written in PHP for the MySQL database. Its object orientation makes it an ideal tool for developing small or large community websites, intra company and corporate portals, weblogs and much more.

Cuyahoga - .NET web site framework

•    ASPNET

Cuyahoga is .NET web site framework. It provides content management capabilities with modular approach. It works with .NET 2.0 - 3.5 with SQL Server, PostgreSQL or MySQL as database backend.

Magnolia CMS - Enterprise Web Authoring

•    Java

Magnolia is easy-to-use powerful Enterprise Content Management system. It is scalable, extensible. It provides all the functionality needed to quickly set up a website. It can use any JSR-170 compliant content repository.

Liferay Digital Experience Platform (DXP)

•    Java

Liferay Digital Experience Platform is an enterprise-grade platform that enables companies to create and connect personalized digital experiences across web, mobile, social, in store and other touchpoints. It provides the technical foundation (deep integration, security and modularity) for your digital business to orchestrate unique customer experiences, as well as business value features to support a deeper understanding of your customers

WP-Document-Revisions - Wordpress plugin for Document Management and Version Control

•    PHP

A document management and version control plugin that allows teams of any size to collaboratively edit files and manage their workflow. WP Document Revisions is three things: A document management system (DMS), to track, store, and organize files of any format, A collaboration tool to empower teams to collaboratively draft, edit, and refine documents, A file hosting solution to publish and securely deliver files to a team, to clients, or to the public.

CaseBox - Content management platform Manage records, tasks, files.

•    PHP

CaseBox is a platform to build a content management system for managing records, tasks and files. It supports ACLs, Task management, Full text search, Monitoring, Import legacy data and lot more.

Lutece - Portal Management in Java

•    Java

Lutece is a portal engine which allows you to easily create your websites or intranets based upon HTML, XML content. Lutece provides a user friendly interface for portal management and therefore no specific technical skills are required. The data presented in each page of the portal coexists inside blocks called portlets. The separation of content and view is possible by opting for XML as the exchange format. The XML files consist of structured data, extracted from the database.

N2 CMS

•    ASPNET

N2 is a lightweight CMS framework that helps you build great web sites that anyone can update. Web content editors can enjoy a simple and enpowering web interface. Developers will benefit from a programmer friendly API that makes building web sites quick and fun. N2 is focused on removing redundant steps when working with content types and ASPX templates. All of development is done within visual studio.

Rainbow - portal development made easy

•    ASPNET

Rainbow CMS available today in 29 languages, allows content authoring to be safely delegated to role-based team members who need little or no knowledge of HTML. Rainbow optionally supports a two-step approval-publish process. 75 plug-in modules are now included in the standard release. It is also fairly easy to build your own custom modules.

Phoenix Collaboration, Content Management and Mapping System

Phoenix is an intuitive web-based software platform that offers an integrated set of collaboration and document management tools that enhances productivity and streamlines the decision making process in a distributed workgroup environment.

LogicalDOC Document Management - DMS

•    Java

LogicalDOC is a modern document management system with a nice interface, easy to use and very fast. It uses open source Java frameworks such as Spring, Hibernate and Lucene in order to provide a flexible and scalable DMS solution. Thanks to the most advanced presentation technology, LogicalDOC offers an unrivaled user experience with a refined and responsive interface.

Infoglue - CMS and Portal Platform

•    Java

InfoGlue is one of the most advanced, scalable and robust Open Source content management / portal platforms available. InfoGlues increased focus on usability together with flexibility in every area makes it suitable for a wide range of applications and organizations.

Hippo CMS - Enterprise Java Content Management system

•    Java

Hippo CMS (Hippo Content Management System) is the web-based graphical user interface that provides access to the content in the repository. It provides an easy way to create and manage your content, i.e. to write or upload, share, print, search, refer to, edit and structure content, assign rights to do so, have content automatically validated against your business rules and restore previous versions of the content.

eXo Platform - The Enterprise Social Platform

•    Java

eXo Platform is an open-source social-collaboration software designed for enterprises. It is full featured, based on standards, extensible and has an amazing design.

PHPNuke

•    PHP

PHP-Nuke is a Web Portal System or content management system. The goal of PHP-Nuke is to have an automated web site to distribute news and articles with users system. Each user can submit comments to discuss the articles.

ContentDotNet

ContentDotNet is a portal framework (CMS) based on ASP.NET and Microsoft SQL Server. The system is able to manage content in different languages and it is multilanguage also. A powerfull skinning engine and content management functions are some of the key features.