United Nations Non-Governmental Liaison Service (NGLS)

 UN Economic and Social Council: Non-governmental Organizations

 Conference of non-Governmental Organizations in Consultative Relationship with the United Nations (CONGO)

 Union of International Associations (UIA)

Housmans World Peace Database

 Social Science Information Gateway

 Mandat International – Welcome Centre for NGOs and Delegations

 consul.cc − The First Worldwide Consul Directory

 Conventions Info

 Global Policy Forum

 Committee for a Democratic U.N. (KDUN)

 The Hague Appeal for Peace

 International Relations Center

 International Movement for a Just World (JUST)

Simultaneous Policy campaign (Simpol)

 United Nations: Alliance of Civilizations

 World Public Forum «Dialogue of Civilizations»

 Comprehensive Dialogue Among Civilizations

 Co-existence of Civilizations

 International Peace Bureau (IPB)

 European University Center for Peace Studies (EPU)

 International Action Center (IAC)

 International Human Rights Association of American Minorities (IHRAAM)

 CIVICUS: World Alliance for Citizen Participation

 World Federalist Movement

 Union of European Federalists (UEF)

 Foreign Policy in Focus