Social Source Commons

Very extensible CMS platform based on PHP and used by many NGOs - "Community Plumbing"

A powerful platform for content, community and collaboration websites

Joomla is an award-winning content management system (CMS), which enables you to build Web sites and powerful online applications. Many aspects, including its ease-of-use and extensibility, have made Joomla the most popular Web site software available. Best of all, Joomla is an open source solution that is freely available to everyone.

Open Source Content Managment System

MODx is an open source PHP Application Framework that helps you take control of your online content. It empowers developers and advanced users to give as much control as desired to whomever they desire for day-to-day website content maintenance chores.

Tiki Wiki CMS Groupware is 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. It is actively developed by a very large international community. Tiki can be used to create all kinds of Web applications, sites, portals, knowledge base, intranets, and extranets.

Tiki offers a very large number of features "out-of-the-box", arguably more than any other Open Source Web Application. Highly configurable and modular, all features are optional and administered via a web-based interface.

Major features include a robust wiki engine, news articles, discussion forums, newsletters, blogs, file and image galleries, bug and issue trackers (form generator), a links directory, polls/surveys and quizzes, FAQs, banner management system, calendar, maps, mobile version, RSS feeds, category system, tags, an advanced themeing engine (Smarty), spreadsheet, live support, shoutbox, inter-user messaging, menu generator, advanced permission system for users and groups, internal search engine, external authentication support, and much, much more.

Hosted website creation tool for nonprofits.

Wordpress designed for multi-user

Social Solutions provides performance management software and related services to nonprofits organizations.

Founded in 2000 by human services professionals, our ETO (Efforts to Outcomes) software and services give organizations a clear picture of which efforts are having the greatest impact on the social issues they strive to address.

With this knowledge, organizations can reinforce what's working, adjust what isn't, and more easily report quantified successes to key stakeholders.

Hosted content-management solution.

An true web-based enterprise-wide case, clinical and billing and claims management software suite, designed for human service organizations.

Comprehensive, easy-to-use software for managing non-profits and progressive campaigns.

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Hosted service of pre-configured Drupal and CiviCRM (free and low monthly fee versions)

Ruby on Rails based blog tools with nice assets/images management

Online fundraising, content, and contact management.

free/open source wiki supporting not only text and links but more structured data. Users can evolve the data structure over time through their regular use.

Free publishing system

Open source cms

Hosted service for nonprofits to build and maintain a website. Includes online donation services.

Publishing system for managing websites and blogs.

Macintosh website creation software.

Open Source platform for Enterprise Content Management (ECM), providing Document Management, Collaboration, Records Management, Knowledge Management, Web Content Management and Imaging.

GivenGain offers a fully integrated Web content-management solution, individual constituent management, integrated online payments for donations and strong electronic communications management.

Dual-license open source content management system.

e107 is a CMS written in PHP and using the popular open source MySQL database system for content storage. It's completely free, totally customisable and in constant development.

Pligg is a PHP/MySQL CMS with a Web 2.0 feature set allowing users to easily create digg-type websites with an integrated user voting system.

Built on the popular Drupal CMS system, DrupalEd can be used as an informal and/or formal learning site where students, teachers, classes etc have comparable and/or hierarchical permissions.

Dokeos is a learning management system used in more than 600 companies and public administrations to manage e-learning and blended learning programmes.

Enterprise content management software for web site publishing.

Scoop is a "collaborative media application". It falls somewhere between a content management system, a web bulletin board system, and a weblog.

Content management system.

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.

Site for creating and sharing a group website.

ImpressCMS is a community developed Content Management System for building and maintaining dynamic web sites.

ImpressCMS is designed 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.

Web-based software that enables nonprofits to raise money online, build and manage a website, create email your legislator campaigns, and send mass emails.

By installing GetPaid, you can take credit card payments on your site, organize an online store, accept donations, calculate and charge shipping, and manage orders and their processing. It is Open Source, easy to setup and install, and supported by a commercial and user community so you can quickly start generating revenue from your site while knowing there are ongoing improvements and support for the site. For developers, it is a flexible system that can be customized and extended for particular business processes using the component architecture. GetPaid is an addon product for the Plone content management system.

WiserEarth is an NGO directory and social networking platform that maps and connects organizations and individuals working for the environment, social justice and human rights.

A modular, open source, content management system for creating and administering websites without the requirement of much technical expertise.

Jaws is a framework and content management system designed for user-friendly website design and creation.

An open source content management system from Microsoft focusing on developers who need to create CMS applications using Oxite as a base.

WPML is a WordPress plugin that can turn any WordPress or WordPressMU site into a full featured multilingual content management system.

Software suite for nonprofits providing web CMS, CRM, and payment gateway. Based on CiviCRM and Drupal, with multiple payment gateway options.

AGENCY software allows non-profits to track data and manage operations. A fork and continuation of CHASERS, AGENCY aims to become a collectively-maintained and developed project that puts organizations in charge of their data systems.

PloneGlossary is a Plone content type that allows you to manage your own glossaries, propose definitions and search in one or more glossaries. Has many applications for definitions, lists with descriptions, etc.

Dotclear is an open-source web publishing software tool whose "purpose is to provide a user-friendly tool allowing anyone to publish on the web, regardless of their technical skills."

Premium wordpress and buddypress themes and plugins with great support. Relatively affordable, quality product for the nonprofit, student association, school, business or other organization looking to manage its own site and/or online community.

WPMU DEV is used by Etsy, Stanford U, Cornell U, CNET, edublogs, and others.

Proprietary content management system

Designed by newsroom experts, Newscoop is a content management system (CMS) that powers professional newspapers and magazines worldwide. The demands of modern journalism are met with intuitive interfaces, flexible publishing, multilinguality, geolocation tools, social media integration and powerful templates compatible with anything from HTML5 to mobile.

Adobe® Creative Cloud™ is the digital hub that lets you download and install every Adobe Creative Suite® 6 application; access online services for file sharing, collaboration, and publishing; and benefit from new apps and features as soon as they're released — giving you the freedom to create anything you can imagine.

Full featured CMS system

Customer Relationship System (CRM) allows you to track and engage with your supporters across all channels.