Not In Our Name 
Protests against the War on Terrorism. Offers information on the history on the project, possibilities to contribute, and on events and meetings.
http://www.notinourname.net/We Won't Deny Our Consciences 
A statement on the war on terror issued and signed by prominent Americans.
http://www.guardian.co.uk/bush/story/0,7369,737208,00.html
Standing With the Peace Protesters 
Dennis Kucinich reports on peace protests and the protesters' motives. CounterPunch, US.
http://www.counterpunch.org/kucinich0425.html
In Defense of Freedom 
A coalition of organizations, law professors, and computer scientists supports a ten point statement regarding September 11, 2001.
http://www.indefenseoffreedom.org/
Peace Plan Group 
Seeking an apolitical, non-military resolution to the "War on Terrorism." Includes policy details, information for members, and discussion board.
http://www.peaceplangroup.assets.org.uk/
Labour Against The War 
Campaign for an end to western military action in response to the events of 11th September 2001. Includes their aims, transcripts of relevant Parliamentary debates, and details of events.
http://www.labouragainstthewar.org.uk/
Operation Enduring Light 
Campaign to light a candle every evening in memory of those who died in the War on Terrorism. Provides information on upcoming events and emergency preparedness, resources and links for related sites.
http://www.enduringlight.org/