DrupalSoftware
Drupal is the #1 platform for web content management among global enterprises, governments, higher education institutions, and NGOs. Flexible and highly scalable, Drupal publishes a single web site or shares content in multiple languages across many devices. Technology and business leaders transform content management into powerful digital solutions with Drupal … backed by one of the world’s most innovative open source communities.
WordPressSoftware
WordPress is an open source blog publishing application which can also be used for basic content management. It has many features including a user-friendly workflow, a rich plugin architecture, and an advanced templating system.
JoomlaSoftware
<p>Joomla is a free, open-source content management system (<span class="caps">CMS</span>) and application framework.</p
NationBuilderPlatform, Organization
NationBuilder is a unique nonpartisan community organizing system that brings together a comprehensive suite of tools that today's leaders and creators need to gather their tribes.
TYPO3Software
<p>According to <a href="http://en.wikipedia.org/wiki/Typo3">Wikipedia</a>:</p> <blockquote> <p>TYPO3 is a free and open source content management system as well as a Model–view–controller (<span class="caps">MVC</span>) Web Application Development framework written in <span class="caps">PHP</span>. It is released under the <span class="caps">GNU</span> General Public License. It can run on Apache or <span class="caps">IIS</span> on top of Linux, Microsoft Windows, OS/2 or Mac OS X.</p> </blockquote
PloneSoftware
<p>According to <a href="http://en.wikipedia.org/wiki/Plone_(software)">Wikipedia</a>:</p> <blockquote> <p>Plone is a free and open source content management system built on top of the Zope application server. It is suited for an internal website or may be used as a server on the Internet, playing such roles as a document publishing system and groupware collaboration tool.</p> </blockquote
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NGP VANPlatform
NGP VAN is the leading technology provider to Democratic and progressive campaigns and organizations, offering clients an integrated platform of the best fundraising, compliance, field, organizing, digital, and social networking products.
BS
BSD ToolsPlatform
A suite of integrated features that work together to help you mobilize a community and drive real action.