Advocates for Self-Government
- Libertarian polemics, as well as the home site for the Nolan quiz. Publishes a biweekly.
- http://www.theadvocates.org/

European Free State
- A site with a goal to create a place in Europe for those who want to be free.
- http://www.europeanfreestate.net/

Libertarian Freedom Council
- An independent libertarian political organization that promotes libertarianism and works with young professionals, students and entrepreneurs.
- http://www.libertarianfreedomcouncil.org/

Albanian Libertarian Association
- Aspires to defend, disseminate, advance, promote and integrate the ideas of classical liberalism in Albanian society.
- http://www.liberalb.org/

Nova Civitas
- Political club in Flanders, Belgium. In Flemish and in English.
- http://www.novacivitas.org/

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.
- http://www.tpaine.org/

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.
- http://www.rlc.org/

Liberty Committee
- Group of libertarian Congressmen dedicated to the advancement of liberty.
- http://www.thelibertycommittee.org/

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.
- http://www.freestateproject.org/

Democratic Freedom Caucus
- Advancing libertarians and libertarian ideas within the Democratic Party. The site offers news, policy information and links.
- http://www.progress.org/dfc/

CyberNation of Freedom
- Dedicated to change the world for the better by returning and defending the inalienable rights of individuals everywhere.
- http://www.cybernationoffreedom.com/

The Federalist Society for Law and Public Policy Studies
- Research in objective law with papers and support for university chapters.
- http://www.fed-soc.org/

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.
- http://genius.ucsd.edu/~john/p/libuniv_dir/libprofs.html

Libertarian Futurist Society
- An organization promoting libertarian science fiction.
- http://www.lfs.org/

Australian Libertarian Society
- Promotes individual liberty in Australia.
- http://www.libertarian.org.au/

Libertarian International Organization
- Portal to world libertarian resources, including party websites and studies.
- http://maxpages.com/lio/

Liberty Round Table
- A group of liberty advocates.
- http://www.libertyroundtable.org/

West Coast Libertarian Foundation
- A Canadian libertarian organization in the Greater Vancouver area.
- http://www.wclf.org/

Citizens for a Sound Economy
- Advocates market-based solutions to public policy problems.
- http://www.cse.org/

Mont Pelerin Society
- A classical liberal society, founded by Friedrich Hayek and other scholars.
- http://www.montpelerin.org/

European Libertarians
- Links to libertarian organizations in the major European countries.
- http://super.freeweb.supereva.it/eurolibertarians/

Outright Libertarians
- Gay, lesbian, bisexual, and transgendered Libertarian activists.
- http://www.outrightusa.org/

Association of Libertarian Feminists
- Information on ALF's purpose, news, discussion papers, and membership information.
- http://www.alf.org/

Pacific Legal Foundation
- Supports pro bono litigation for less government and objective law.
- http://www.pacificlegal.org/

Small Business Survival Committee
- Archived media advocacy and issue papers promoting less regulation. Internships available.
- http://www.sbsc.org/

Liberty Network
- European free-market libertarians.
- http://www.line.dk/

Libertarian International
- Network of continental liberty advocates.
- http://www.libertarian.to/

Society for Individual Freedom
- British organization campaigns for more personal freedom, less State control, and for genuinely free enterprise. Publishes pro-freedom articles.
- http://www.individualist.org.uk/