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.

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.

Provides legal representation and other law related services to protect and advance Free and Open Source software.

Aims to help organizations develop and distribute open hardware and software. Includes news, details of supported projects, and membership details.

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.