hackerspaces.org is website is for anyone who wants to share their hackerspace stories and questions with the global hackerspaces community.

The Chaos Computer Club e. V. (CCC) is Europe's largest association of hackers. For more than thirty years we are providing information about technical and societal issues, such as surveillance, privacy, freedom of information, hacktivism, data security and many other interesting things around technology and hacking issues. As the most influential hacker collective in Europe we organize campaigns, events, lobbying and publications as well as anonymizing services and communication infrastructure.

The Metalab is a hackerspace in Vienna's central first district.Founded in 2006, it is a meeting place of the Viennese tech community, hosting events from culture festivals to user groups. It has played a catalyst role in the global hackerspace movement and was the birthplace of several internet startup companies. Source: Wikipedia

c-base e. V. is a non-profit association of about 515 members located in Berlin, Germany. The purpose of this association is to increase knowledge and skills pertaining to computer software, hardware and data networks. The association is engaged in numerous related activities.

Noisebridge is an award winning anarchistic educational hackerspace in San Francisco, inspired by hackerspaces in Europe, like the Metalab in Vienna and c-base in Berlin. It is a registered non-profit California corporation, with IRS 501(c)(3) charitable status. According to the Noisebridge website's Vision page, "Noisebridge is a space for sharing, creation, collaboration, research, development, mentoring, and of course, learning.