Antiwar.com: a source for antiwar news, viewpoints & activities

The Peace Alliance: a nonpartisan citizen action organization advocating for legislation that supports a culture of peace via the creation of a US Department of Peace

Center on Conscience & War: works to defend and extend the rights of conscientious objectors

Cities for Peace: a resource and outlet for municipal actions, resolutions, and campaigns aimed at promoting peace and prosperity for all at home and abroad

Code PINK: women for peace

Committee for Conscientious Objectors: supports and promotes individual and collective resistance to war and preparations for war

Committee Opposed to Militarism and the Draft: an anti-militarism organization that also challenges the institution of the military, its effect on society, its budget, its role abroad and at home

Cost of War: a continuously updated dollar amount of the cost of the war in Iraq

Declaration of Peace: a nationwide campaign to establish a concrete and rapid plan for peace in Iraq

PeaceWeb: seeks to connect individuals and groups working for peace, nonviolent conflict transformation, racial and economic justice, and environmental sustainability, whether at the local, national, or international level

Nonviolent Peace Force: a global federation seeking to build a trained, international civilian peaceforce committed to third-party nonviolent intervention

Peace Action: the nation's largest grassroots peace group which has effectively mobilized for peace and disarmament for nearly fifty years

Peace Brigades International: a non-governmental organization which protects human rights and promotes nonviolent transformation of conflicts.

Poets Against the War: creates venues for poetry as a voice against war, tyranny and oppression

United for Peace & Justice: a coalition of groups throughout the United States who have joined together to protest the immoral and disastrous Iraq War and oppose our government's policy of permanent warfare and empire-building

United States Institute of Peace: empowers others via knowledge, skills, and resources, as well as by our direct involvement in peacebuilding efforts around the world

U.S. Labor Against the War: works to end the war and occupation in Iraq, demilitarize U.S. foreign policy, redirect the resources of the nation to meet human needs, and to reverse the erosion of our liberties and rights

Veterans for Peace: veterans working together for peace & justice through non-violence; includes detailed lists of links, resources, events, statistics, and other information

Voices in the Wilderness: supports nonviolent resolutions to conflict in the tradition of Gandhi, and hopes that telling the truth about this war will prevent future wars

War Resisters League: affirms that all war is a crime against humanity and therefore determines not to support any kind of war, international or civil, and to strive nonviolently for the removal of all causes of war