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. As of February 2014, Joomla has been downloaded over 50 million times. Over 7,700 free and commercial extensions are available from the official Joomla! Extension Directory, and more are available from other sources.

Drupal is a free software content management framework maintained and developed by a community of more than one million users. It is used as a back-end framework for at least 2.1% of all websites worldwide ranging from personal blogs to corporate, political, and government sites including whitehouse.gov and data.gov.uk. It is also used for knowledge management and business collaboration. More than one million websites are currently powered by Drupal, according to the statistics provided by Drupal.org.

Commotion is a free, open-source communication tool that uses mobile phones, computers, and other wireless devices to create decentralized mesh networks. Commotion provides a way for you to share your Internet connection with the people around you, but it is not a replacement for your Internet connection.

Napster is a name given to two music-focused online services. It was originally founded as a pioneering peer-to-peer file sharing Internet service that emphasized sharing audio files, typically music, encoded in MP3 format. The original company ran into legal difficulties over copyright infringement, ceased operations and was eventually acquired by Roxio.

BuddyBackup lets you back up your files to your friends, family and colleagues' computers for free. This means you get safe and secure online and "off-site" backups of your data without having to pay a third party company.

The goal of the IETF is to make the Internet work better. The mission of the IETF is to make the Internet work better by producing high quality, relevant technical documents that influence the way people design, use, and manage the Internet.

R is a language and environment for statistical computing and graphics. It is a GNU project which is similar to the S language and environment which was developed at Bell Laboratories (formerly AT&T, now Lucent Technologies) by John Chambers and colleagues. R can be considered as a different implementation of S.

P2P Lab is an independent media lab interested in interdisciplinary research on free/open source technologies and practices.

freenode is a special-purpose, not a general-purpose, discussion network, currently implemented on Internet Relay Chat (IRC). It exists to support specific communities. It provides an interactive environment for coordination and support of peer-directed projects, including those relating to free software and open source. Our aim is to help our participants to improve their communicative and collaborative skills and to maintain a friendly, efficient environment for project coordination and technical support.

The FLOSS Manuals (FM) is a non-profit foundation founded in 2006 and based in the Netherlands. The foundation is focused on the creation of quality documentation about how to use free software. Its web site is a wiki (previously using the TWiki software, now developed as an autonomous platform with Booki) focused on the collaborative authoring of manuals. The documentation is licensed under the GPL. Although initially the manuals were covered by the GFDL, the license was changed due to concerns about the limited and non-free nature of the GFDL