Academic Freedom Links - Comprehensive listing of websites relating to social and political issues, sorted by category.
Almanac of Policy Issues - Background information and links on U.S. public policy issues, including education, health, crime, the environment, foreign policy, and national security.
Hillwatch Think Tanks - Directory of Canadian and international public policy think tanks.
HILS: The Humanitarian Interest Links Site - Portal for professionals, volunteers, and others interested in humanitarian issues, with a focus on development and peace studies.
The Homeless Search Engine - Database of homeless resources and organizations. Search by area or keywords.
Idealist - Extensive directory of non-profit and volunteering resources and organizations.
Norbert's Bookmarks for a Better World - Links on peace, human rights, social justice, the environment, military, conflict regions, women, education, religions, economy, and politics.