Australia National Security - Listed Terrorist Organisations
Official government list of the terrorist groups with dates listed and re-listed.
Bob Cromwell - Separatist, Para-military, Military, Intelligence, and Political Organizations
Overview of each group along with links to their official websites and other sites associated with them.
Canada National Security - Listed Terrorist Entities
Official government list of terrorist groups for the purposes of Part II.1 of the Criminal Code.
EU - Terrorism List
List of persons, groups and entities as of July 22, 2014.
FAS - Liberation Movements, Terrorist Organizations, Substance Cartels, and Other Para-State Entities
Profiles of several hundred groups, as well as related documents gathered from a variety of sources. From the Federation of American Scientists.
The Guardian - The US state department's terror list
Article by Mark Tran on the listing of the Real IRA and other groups as 'designated foreign terrorist organizations.'.
The Guardian - US moves to freeze terrorist funding
List of the 27 individuals and organisations whose assets have been frozen to strike at the "financial foundation" of terrorism, also including a corporation that serves as a front for terrorism and several non-profit organisations. UK.
UK Home Office - Security: Proscribed Terrorist Groups
Information about the international and Irish terrorist organisations currently proscribed (or outlawed) under UK law.
US Congressional Research Service - Foreign Terrorist Organizations
Report includes the official list of FTOs as of February 6, 2004 along with detailed information about each group.
US Department of State - Terrorist Designations and State Sponsors of Terrorism
Current listing of the Designated Foreign Terrorist Organizations (FTOs), Executive order (individuals as well as organizations), and press releases and notices from the Federal Register.
Wikipedia - List of Designated Terrorist Organizations
Hyperlinked list of terrorist organizations as defined by various governments.