Activism.net
   Resources for activists and progressive thinkers, including Peace, Privacy, and the Environment.
   http://activism.net

Digital Librarian
   Links to many activist resources.
   http://www.digital-librarian.com/activism.html

Protest.Net
   Helps people find out about progressive protest, meetings, pickets, strikes, demonstrations, and conferences around the world by providing a central calendar where the times and locations can be posted.
   http://www.protest.net