The Global Terrorism Database (GTD) is an open-source database including information on terrorist events worldwide from 1970 through 2020 (with annual updates planned for the future).

The Foreign Terrorist Fighters (FTF) Knowledge Hub is a trusted source for quantitative and qualitative data on FTFs who travelled to Syria and Iraq in support of terrorist or violent extremist groups, and government responses to the FTF challenge. It is a valuable resource for policymakers, researchers, and media.

The European Database of Terrorist Offenders (EDT) is a research database comprising comprehensive judicial information on European terrorist and violent extremist offenders convicted from 2012 onwards.

ICCT has developed the Database on Interlinkages between Terrorism and International Crimes as a collection of cases in which terrorists have been tried for core international crimes, covering all countries where trials for terrorism and war crimes have occurred. The information gathered is being analysed to identify challenges, areas for development, and good practice in prosecuting individuals both for terrorism and for any other crimes they may have committed, including crimes against girls and women.

The Database of Legislation on Definition of Terrorism records countries’ legislation defining terrorism. Consequential penalties for committing or supporting acts of terrorism are also recorded. 

The Countering Lone-Actor Terrorism Database (CLAT) recorded incidents of lone-actor terrorism in thirty European countries (EU, Norway and Switzerland).

This database provides an overview of many of the symbols most frequently used by a variety of white supremacist groups and movements, as well as some other types of hate groups. The ADL Center for Antisemitism Research is founded to focus on applied research and evaluation to test, measure and identify impact in the fight against this hatred. It aims to answer questions about how to quantify, understand and prevent antisemitism.

The Armed Conflict Location & Event Data Project (ACLED) is a disaggregated data collection, analysis, and crisis mapping project. ACLED collects information on the dates, actors, locations, fatalities, and types of all reported political violence and protest events worldwide. The ACLED team conducts analysis to describe, explore, and test conflict scenarios, and makes both data and analysis open for free use by the public.