Change.org
The world’s largest petition platform, empowering more than 200 million users to create the change they want to see.
change.org · 165,345
Adbusters Media Foundation
Global collective implementing radical design and media strategies to challenge consumerist culture.
adbusters.org · 11,471
Architects & Engineers for 9/11 Truth
Nonprofit organization representing architects and engineers calling for new investigation into 9/11 Twin Towers and Building 7 destruction.
ae911truth.org · 9,229
Avaaz
Avaaz is the campaigning community bringing people-powered politics to decision making worldwide.
avaaz.org · 6,828
Against Corruption Foundation
Dedicated to exposing and combating corruption in Russia, advocating for anti-corruption policies.
acf.international · 1,972
Alliance for Global Justice
Advocacy site for global justice and activism with a focus on Latin American countries.
afgj.org · 1,765
Activist Facts
Providing in-depth profiles of think tanks, activist groups, and foundations, along with information about their funding sources.
activistfacts.com · 1,157
Adalah-NY: Campaign for the Boycott of Israel
Promoting the boycott of Israel until Palestine is free
adalahny.org · 927
Abolition 2000
Global Network to Eliminate Nuclear Weapons. Join the movement to abolish nuclear weapons!
abolition2000.org · 804
NoBlogs.org
Connecting radical people. Non commercial, antifascist, antisexist, privacy-oriented blog platform.
noblogs.org · 782
ActionAid Australia
Empowering women to claim their human rights and fight against injustice.
actionaid.org.au · 544
Adressit.com
Free online petition service. Start a movement by creating a petition.
adressit.com · 540
Anarchist Black Cross Belarus
Supporting anarchists and political prisoners in Belarus through solidarity and resistance against repression.
abc-belarus.org · 476
Action4Canada
Grassroots movement uniting Canadians against destructive policies
action4canada.com · 429
ActionKit
Empower your organizing efforts with ActionKit - the powerful platform that makes it easy to run effective campaigns, raise funds, gather support and more.
actionkit.com · 336