UK's Unix and Open Systems User Group is a non-profit organization and technical forum for the advocacy of open systems, particularly Unix and Unix-like operating systems, the promotion of free and open-source software, and the advancement of open programming standards and networking protocols.
It uniquely caters for the needs of people in this area. Formed in 1976 is totally funded by membership subscriptions and is completely independent of specific hardware and software vendors. All profits are used to further the activities of the organization.
Based in London.