Contains some informative articles about Open Source software, success stories, and news

Paper by Benjamin J. Weiner and co-authors, arguing that the advantages of open-sourcing astronomical software outweigh the drawbacks.

Non-profit public organization that works to promote the usage of Free and Open Source software in Lithuania.

A research program at Harvard Law School founded to explore cyberspace, share in its study, and help pioneer its development.

Project to develop resources for chemistry based around the concepts of open data, open standards and open source. Members list, details of activities, mailing list, news, and publications.

Discusses exclusionary and questionable deals (such as the deal between Novell and Microsoft) which it views as attempts to undermine the purpose and goals of the Free software movement.

Eric S. Raymond's seminal paper analysing why open source works so well; followup papers "Homesteading the Noosphere", "The Magic Cauldron" and "The Revenge of the Hackers"; and comments and criticisms from third parties.

The Canadian Association for Open Source.

Contains the Debian Free Software Guidelines, which are regarded as compliance rules for free software by many others besides Debian package maintainers.

Dedicated to establishing a free market in information technology, by the removal of barriers to competition and working towards sane patent systems and open standards.

Focuses on connections between free software and community development and on free software in Australia.

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.

Information about Free Software movement for novices.

European branch of the FSF. Promotes the freedom to use, study, share, and improve software. Supports the development of free software such as the GNU/Linux operating system.

Explains the difference between "Free Software" described as a social movement focusing on freedom and "Open Source" described as a development methodology. By Richard Stallman, the founder of the Free Software Foundation.