Geeks for community, social justice, and environment movements

Hypertext Markup Language, the predominant markup language for web pages.

Mailman is free software for managing electronic mail discussion and e-newsletter lists. Mailman is integrated with the web, making it easy for users to manage their accounts and for list owners to administer their lists. Mailman supports built-in archiving, automatic bounce processing, content filtering, digest delivery, spam filters, and more.

Mediawiki is the wiki engine used to run wikipedia.org. It is developed specifically for wikipedia, which means that it has a number of feature differences to other wiki engines that are intended more for documentation.

From the Drupal web site:

Drupal is a free software package that allows an individual or a community of users to easily publish, manage and organize a wide variety of content on a website. Tens of thousands of people and organizations have used Drupal to power scores of different web sites, including

• Community web portals
• Discussion sites
• Corporate web sites
• Intranet applications
• Personal web sites or blogs
• Aficionado sites
• E-commerce applications
• Resource directories
• Social Networking sites

Drupal is ready to go from the moment you download it. It even has an easy-to-use web installer! The built-in functionality, combined with dozens of freely available add-on modules, will enable features such as:

• Content Management Systems
• Blogs
• Collaborative authoring environments
• Forums
• Peer-to-peer networking
• Newsletters
• Podcasting
• Picture galleries
• File uploads and downloads

and much more.

Drupal is open-source software distributed under the GPL ("General Public License") and is maintained and developed by a community of thousands of users and developers. Drupal is free to download and use. If you like what Drupal promises for you, please work with us to expand and refine Drupal to suit your specific needs.