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.

European branch of the FSF. Includes news and events listings, press information, and a document archive.

Not-for-profit organization that oversees the general development of XMPP and maintains the Jabber Enhancement Proposals.

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.

A nonprofit, vendor-neutral consortium dedicated to driving the adoption of comprehensive open source business solutions.

UK government portal which aims to encourage the use of Open Source Software by local authorities. Offers opportunities for knowledge sharing and practical advice.

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.

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.

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.

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.