Anarchism

Anarchism in Action: Methods, Tactics, Skills, and Ideas
Online book which provides a guide to anarchist organizing and action.
http://aia.mahost.org/

Anarchist Nation
Issues, anarchist theory and discussion.
http://www.angelfire.com/pokemon2/anarchism/

Anarchopedia
An open knowledge-portal and online anarchist community.
http://www.anarchopedia.org

The Platform and the International Anarchist Movement
Includes various texts including the "Original Platform of the Libertarian Communists" published in 1926 which is the founding document of the Platformist movement.
http://struggle.ws/inter.html

Raise the Fist
Anarchist independent media/direct action network Includes information about the webmaster, Sherman Austin, who has been sentenced to one year in federal prison because of the content of this site.
http://www.raisethefist.com/