Ancient History Encyclopedia Alternatives

Oppia is a free, open-source learning platform.

Open Source

Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.

FlexiQuiz is a powerful online test generator that enables you to create engaging online quizzes, tests, or exams in minutes. Choose from 100's of features to create a customized quiz that meets your objectives for business, education, or fun.

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Metacademy - a free open source platform for efficient, personalized learning.

The planetary knowledge core

Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.

Welcome to WikiIndex, a wiki of all wiki, wiki people, wiki software, wiki farms, and wiki ideas, a...

WikiSpooks is a global alternative encyclopedia on politics, spy craft, deep state intelligence, and conspiracies, free of corporate influence, partisan politics, or government propaganda for historians and truth-seekers to read, edit, and share.

Miraheze is a wiki farm (hosts wikis) for free and with no ads, it also provides custom domains...

Kiwix enables you to have the whole Wikipedia at hand wherever you go!

The entertainment site where fans come first.

A beautiful new interface to Wikipedia

Mapping all human knowledge

Dictionary and offline Wikipedia reader.