Social Source Commons

A free, flexible, elegant, easy-to-use content management system for all kinds of websites, even weblogs.

ExpressionEngine is a highly flexible, feature-rich web publishing system that empowers individuals, organizations, and companies around the world to create dynamic, content-driven websites

Free online social network that connects to cell phones. Supports text response, polls, trivia, mobile content delivery (ringtones, wallpapers, etc.), Text-to-win sweepstakes, mobile coupons, Optional Custom campaigns

Enterprise content management software for web site publishing.

Content management system.

Enterprise content management platform.

FLOSS Manuals is a wiki-like platform for generating user manuals for free, libre, and open source software (FLOSS). The goal of the project is to make free software more accessible by providing clear documentation that accurately explains their purpose and use. The manuals on FLOSS Manuals are written by a community of people, who do a variety of things to keep the manuals as up to date and accurate as possible. The way in which FLOSS Manuals are written mirrors the way in which FLOSS (Free, libre open source) software itself is written: by a community who contribute to and maintain the content.

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.

Open source, open standards content management system written in Java that includes OpenSocial components for collaboration (eXo Social)

Postbox is an email client, based on the Mozilla framework that pulls out, filters and organizes the content of email messages.

Creating a dynamic catalog of everything within your email library, Postbox allows you to browse through just images, or sort through a list of your attachments as well as any other content type from your contacts.

Create a custom community toolbar.

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

Open source site for academics to list publications and interests that seeks to develop a single listing of all college and university faculty (including adjuncts) in the world.

LeapSeed is an application development framework and content management system used to quickly create custom database applications, data-aware websites, and process-driven solutions.

helps users curate Web content. For any topic, you can create a "bag" to collect, publish, and share any content from the Web.