The Best FallacyFiles Alternatives in 2026

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

Logical Fallacies lists errors in reasoning with definitions and examples to help readers identify them in arguments.

The Internet Encyclopedia of Philosophy lists common logical fallacies with brief explanations and examples.

The Stanford Encyclopedia of Philosophy provides an online encyclopedia with browse tools, new entries, and chronological archives.

Search and browse the Royal Armouries online collection of objects, archives, and library records.

Umsu offers a reference for mathematical and logical symbols, including connectives and quantifiers.

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

Pessimists Archive documents historical panics about technology through a timeline and related articles.

Forgotten Aviation documents historic aircraft and related warbird information.

This nLab page gathers material about philosophy, including ontology, logic, and related topics.

The Nuclear Weapon Archive is a guide to nuclear weapons and related history.

The HP 9845 Project preserves and documents the HP 9845 computer and related history.

Use this Flags of the World page as an entry point to the site’s flag reference and its related search and information pages.

The Logitext interactive tutorial teaches the sequent calculus through a simple set of inference rules.

The U-boat Archive provides documents and photographs about the Battle of the Atlantic.

A Book of Creatures is a guide to beings from myth, legend, and folklore.

Cost of Living provides cost-of-living data and information about the Numbeo API.

The Retro Web documents computer hardware, with its catalog presented through a web application.

The VGA Museum catalogs video graphics hardware by company and category.

This page documents Inuit mythology and traditional stories, with material presented in Inuktitut.

Theoi Project is a reference guide to Greek mythology, exploring gods, spirits, creatures, and heroes through classical literature and art.

rip.so is a digital graveyard memorializing discontinued messengers, social networks, browsers, gadgets and websites.

OilPrice publishes crude oil and gas price charts, futures information, energy news, and investment coverage.

EveryPolitician tracks political office holders, including legislators, judges, and rulers around the world.