International Society for Individual Liberty - Provides intellectual resources and tools for grassroots advocacy and arranges international conferences for libertarians from all over the world.
Advocates for Self-Government - Libertarian polemics, as well as the home site for the Nolan quiz. Publishes a biweekly..
CyberNation of Freedom - Dedicated to change the world for the better by returning and defending the inalienable rights of individuals everywhere..
Democratic Freedom Caucus - Advancing libertarians and libertarian ideas within the Democratic Party. The site offers news, policy information and links..
European Free State - A site with a goal to create a place in Europe for those who want to be free..
Free State Project - An organization seeking to persuade 20,000 or more liberty-oriented people to move to New Hampshire, where they may work within the political system to reduce the size and scope of government..
Philosophers Guild - Libertarian oriented association dedicated to independent thinking. Newsletter, member list, and list of links..
Professors of Liberty - An organization consisting of those faculty members at the universities who embrace and advocate the ideals of individual liberty and self-responsibility..
Republican Liberty Caucus - Works to advance the principles of limited government, individual liberty and free markets within the Republican Party and throughout the United States..
Society for Individual Freedom - British organization campaigns for more personal freedom, less State control, and for genuinely free enterprise. Publishes pro-freedom articles..
Thomas Paine Network - A caucus encouraging dialogue between the libertarian right with their critique of centralized government and the libertarian left with their critique of monopoly capitalism..