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.

Contact info, architectural docs and a weblog on Extensible Messaging and Presence Protocol (XMPP), an open XML communications technology.

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.

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.

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.

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

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.

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