Chaos Computer Club  ::  ::   "... 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. There are many hackerspaces in and around Germany which belong to or share a common bond to the CCC as stated in our hacker ethics... "

Hacker Spaces  ::   ::    community-operated physical places, where people can meet and work on their projects.   Colorado based Hacker Spaces include:  Concoctory Hackerspace , Denver HackerSpace , Solid State Depot: Boulder HackerSpace , CO-Springs HackerSpace , TinkerMill   ::   ::  " security web site dedicated to the collection, dissemination and distribution of information about the security industry for anyone interested in the subject. They maintain one of the only open and honest grim look at the industry, reminding everyone that we must strive to be better than we have been historically. The crusade to expose industry frauds and inform the public about incorrect information in computer security articles is a primary goal of the site..."

US Pirate Party  Not a hacker crew but a full on new political party for the USA.... "....aligned with the International Pirate Movement. We support and work toward reformation of intellectual property (IP) laws, true governmental transparency, and protection of privacy and civil liberties. We strive for evidence-based policies and egalitarianism, while working against corporate personhood and welfare. We believe that people, not corporations, come first...."

Boulder Linux Users Group    The Boulder Linux Users Group is a group of hobbyists, professionals and enthusiasts from all walks of life joined by a common interest in using, administering, or developing Free Software for Linux-based operating systems.  Also check out the  Boulder chapter of Hacking Society Colorado Linux Users Group