- South Asia Terrorism Portal - Supplying daily news updates, data, commentary, research, critical assessment and analysis on terrorism, low intensity warfare and sectarian strife in South Asia. From the Institute for Conflict Management.
- Jane's IntelWeb - Monitors developments in terrorist and intelligence activity worldwide.
- FAS: Terrorism - Background and Threat Assessments - Guide to resources, both governmental and private, including FAS information on liberation movements, terrorist organizations, substance cartels, and other para-state entities. From the Federation of American Scientists.
- National Disaster Medical System - NDMS assists American state and local medical agencies responding to the health effects of peacetime disasters, terrorism, and weapons of mass destruction. Includes discussion of counterterrorism, searchable directory, and links to related materials.
- A Mindful Approach - Read about the psychological, social, and religious factors that are responsible for terrorism.
- ZGram Attic - Includes information and links on American Intelligence, patterns of global terrorism, terrorist organization, chemical and biological weapons, computer security, cryptography, economic espionage, and related topics.
- Wikipedia - Terrorism - Hyperlinked encyclopedia article includes definitions, groups and incidents.
- Anti-Terrorism Campaign - Concentrates on Pakistan and Afghanistan.
- Terrorism Anatomy - Offers a pychological analysis of terrorist behaviour and anatomy of modern terrorism.
- Jurist: Terrorism Law and Policy - Information on anti-terrorism law, counterterrorism policy and legal issues relating to bioterrorism and anthrax. Includes news, statements, reports, hearings, commentary and bibliography. From JURIST, at the University of Pittsburgh School of Law.
- J.R's Global Security Resource - Defines and investigates the nature of terrorism, as well as related links.
- Terrorism Research - Examines the various definitions of terrorism along with common behavior, organization, and characteristics of terrorist groups.
- US Department of State: Patterns of Global Terrorism - Annual reports include overview of terrorist activity on each continent, chronology of major events, background information on the groups involved, and information on extradition of terrorists. Archives go back to 1995.
- Terrorism Files - Features an insight into terrorism, terrorist activities, and organizations. Includes news and related links.
- Council on Foreign Relations - Terrorism: Questions & Answers - An encyclopedia of terrorism, especially as it relates to the United States. Lists terrorist groups, state sponsors and havens, the causes, responses and policy for 9/11.
- Terrorist Organizations (149)
- Incidents (357)
- Counter Terrorism (23)
- Terrorists (2)