 Free Software Foundation and GNU Project - http://www.gnu.org/ Non-profit organization dedicated to eliminating restrictions on copying, redistributing, understanding, and modifying computer programs. GNU Project was begun to develop a complete free Unix-like operating system. |
 The Apache Software Foundation - http://www.apache.org/ Supports the development of a number of open-source software projects, including the apache webserver. Includes license information, latest news, and project sites. |
 Python Software Foundation - http://www.python.org/psf/ Non-profit organization devoted to advancing open source technology related to the Python programming language. Provides membership information, missions statement, and details of how to get involved. |
 Jabber Software Foundation - http://www.jabber.org/ Not-for-profit organization that oversees the general development of XMPP and maintains the Jabber Enhancement Proposals. |
 Open Source Initiative - http://www.opensource.org/ Dedicated to managing and promoting the Open Source trademark for the good of the community. Includes a definition of 'Open Source', and a list of approved licenses. |
 Xiph.org Foundation - http://www.xiph.org/ Non-profit corporation dedicated to protecting multimedia from control by private interests, by developing free and open protocols and software. Information about the foundation and its current projects. |
 Software in the Public Interest, Inc. - http://www.spi-inc.org/ Aims to help organizations develop and distribute open hardware and software. Includes news, details of supported projects, and membership details. |
 The Linux Foundation - http://www.linuxfoundation.org A non-profit consortium dedicated to fostering the growth of Linux, and promoting standardization and technical collaboration. Provides details of activities and working groups, a collaboration forum, and developer services. |
 Open Source Automation Development Lab (OSADL) - http://www.osadl.org/ Aims to promote and support the development of Open Source software for the automation industry. Membership fees are used to delegate the development of open source software projects such as a real time preempt patches for Linux. |
 Free Software Foundation Europe - http://www.fsfe.org/ European branch of the FSF. Includes news and events listings, press information, and a document archive. |
 Software Freedom Law Center - http://www.softwarefreedom.org/ Provides legal representation and other law related services to protect and advance Free and Open Source software. |
 Open Solutions Alliance - http://www.opensolutionsalliance.org/ A nonprofit, vendor-neutral consortium dedicated to driving the adoption of comprehensive open source business solutions. |
 Open Source Academy - http://www.opensourceacademy.gov.uk/ UK government portal which aims to encourage the use of Open Source Software by local authorities. Offers opportunities for knowledge sharing and practical advice. |
 XMPP Standards Foundation - http://xmpp.org/ Contact info, architectural docs and a weblog on Extensible Messaging and Presence Protocol (XMPP), an open XML communications technology. |
 Open Invention Network - http://www.openinventionnetwork.com/ An intellectual property company that was formed to promote Linux. It acquires patents and makes them available royalty-free to any company, institution or individual that agrees not to assert its patents against the Linux System. |
 OpenForum Europe - http://www.openforumeurope.org/ Not-for-profit organisation helping to accelerate, broaden and strengthen the use of OSS in business and government. News and events, information about OSS, and articles. |
 Open Source Advisory Service - http://www.oss-watch.ac.uk/ Promotes awareness and understanding of the legal, social, technical and economic issues that arise when educational institutions engage with free and open source software. News, publications, events, and FAQ. |