Social Source Commons

A powerful platform for content, community and collaboration websites

Hosted community blogging service.

A consortium supported email list/web archive designed for low bandwidth application in international development

Mailing list manager

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.

Core to the Toolkit is a role-playing game that teaches face-to-face organizing for residents and community leaders. Developed by the Center for Third World Organizing. Learn to knock on doors!

phpBB is a high powered, fully scalable, and highly customizable Open Source bulletin board package.

MySpace is an online community that lets you meet your friends' friends.

Piczo allows its users to create fully customizable personal websites that do not require any understanding of html code.

Second Life is a 3-D virtual world entirely built and owned by its residents.

Zanby is a free individual and group organizing platform. Individuals and organizations can start or join unlimited groups, use a robust events management system, upload documents and photos, manage group members, and more.

Integrated discussion boards, chat and e-mail lists for full-featured communities

Social networking for readers of blogs

Single-topic web forum that's also fully email-enabled.

Social network for intellectuals, healers, tuned in integral community

Online community for social change similar to YouTube.

Private Social Networking for Membership Organizations and Associations.

Online community hosting software.

Enterprise content management software for web site publishing.

Hosted solution for event and conference management. Includes a calendar of conference events.

A free, open source community learning software platform used for teaching, research and collaboration.

View a list of New Followers and classify them in one of two "Buckets" Follow (meaning you wish to follow them back) and Ignore (meaning you don't wish to follow them and want to archive them out of the way, reducing clutter).

A content rich gateway for community managers, moderators & social media enthusiasts!

Hosted collaboration platform. Users can share ideas across their organization, get feedback from people with whom they wouldn't normally interact and form ad hoc groups that cut across organizational boundaries.

Forum and community publishing software, with search and security features.

One-stop resource for technology needs by providing free information, resources, and support

An easy to use nonprofit fundraising software package that allows you to efficiently manage your donors, donor information, and fundraising programs, memberships, events and classes.

WordPress plugin that offers "Social networking in a box". BuddyPress is free and open source, and unlike hosted services, BuddyPress allows you to stay in control of your site and create a customized, unique experience.

IGLOO lets users create connections between people, processes and information through the creation of online business communities.

Swara is an audio portal platform that allows communities to create portals accessible by both web and phone. To phone callers, Swara presents a 2 way Interactive Voice Response that the user navigates using the number keys on their phone. On the web side, Swara presents a blog interface, that can be used to syndicate contents to social media sites as well as other platforms (via RSS).