History & Humanities

MapFight compares the size of countries, regions, and cities, with maps, datasets, and comparison ideas.

Ekvis offers quiz games for learning geography and languages, aimed at children, students, adults, and seniors.

1000-Word Philosophy publishes concise essays on philosophical questions, theories, thinkers, and arguments.

This modal logic playground lets users edit a model and evaluate formulas using selected truth values.

An archive of high-resolution scans from historic large-format negatives, Shorpy offers browsing, prints, and stock images.

Flag Stories presents flag elements and visualizations, including charts and interactive flag activities.

The Effective Altruism Forum hosts research, discussions, and updates about global health, animal welfare, AI safety, and other issues.

If It Were My Home compares living conditions between countries and explores differences tied to birthplace.

The Smithsonian Global Volcanism Program tracks volcanoes and eruptions, with reports on current and recent activity.

Reasoned Directory collects resources for philosophy, psychology, and theology.

Historical Tech Tree visualizes the development of technology through an interactive timeline.

Flagle challenges players to guess a country based on its flag in a daily word game.

Gun Violence Archive publishes reports and statistics about gun violence in the United States.

Flag Guesser offers flag quizzes covering countries, US states, coats of arms, and regional groupings.

YouLogicalFallacyIs explains reasoning errors with examples linked to each logical fallacy.

World Bank DataBank supports analysis and visualization of World Bank datasets.

Emblematica Online supports study of the European emblem, a genre that flourished for more than two centuries after 1531.

Extreme Weather Watch presents historical weather information through a searchable interface.

WFP's HungerMap LIVE monitors food security across more than 95 countries using forecasts and climate, economic, and nutrition data.

Imperial War Museums explores conflict from the First World War to the present through its museums, archives, and collections.

WW2 Links collects links and reference material about the Second World War.

Microsoft Graveyard catalogs discontinued Microsoft products and services.

En-ROADS lets users explore climate outcomes by adjusting policy choices in a climate solutions simulator.

Crypto Museum documents cryptographic devices and communications equipment, including radios, encoders, and telephones.