CIA World Factbook and other publications
Citeseer - technical paper repository
History of Economic Thought - economics info
Terrorism Knowledge Base (MIPT)
Social Science Research Network - academic paper repository
Wikipedia (wiki)— encyclopedia
xkcd.org (best comic on the 'net)
American Civil Liberties Union (ACLU)
Electronic Frontier Foundation (EFF)
Electronic Privacy Information Center (EPIC)
Federation of American Scientists (FAS) (Secrecy News)
Freedom House (Freedom in the World index)
Heritage Foundation (Index of Economic Freedom)
International Monetary Fund (IMF)
World Health Organization (WHO)
World Trade Organization (WTO)