Metacademy Alternatives

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

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

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.

Try for free freemium $25.0 / Monthly (Essentials plan)

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

Oppia is a free, open-source learning platform.

Open Source

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.

Mapping all human knowledge

A beautiful new interface to Wikipedia

The planetary knowledge core

Scholarpedia is a wiki-based encyclopedia that features the English language articles and helpful materials only.

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

Explore Wikipedia through a media-packed, mind-mapping experience.

A beautifully designed Wikipedia app for iOS

Ancient History Encyclopedia is a nonprofit company that aims to provide superior ancient history...