FreeCulture is an international student movement concerned about the spread of proprietary technology.

The Electronic Frontier Foundation is a nonprofit group of lawyers, volunteers and visionaries working to protect your digital rights.

Open Source Industry Australia is a national industry body for furthering the cause of Open Source within Australia.

The EuroLinux Alliance is an open coalition of commercial companies and non-profit associations united to promote open standards and Open Source in Europe.

GOSLING is an informal community of civil servants and citizens dedicated to promoting Open Source within the Canadian government.

The Open Source Software Institute promotes the development and implementation of open-source software solutions within U.S. government and academic agencies.

The Open Web Application Security Project is an all-volunteer group that produces free, professional-quality Open Source documentation, tools and standards.

The Free Protocols Foundation has resources for supporting patent-free protocols.

The Free Standards Group is dedicated to accelerating the use of Open Source software by developing and promoting standards.