Wikipedia is a free, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. Wikipedia has 17 million articles (3.5 million in English), which have been written collaboratively by volunteers around the world. Almost all of its articles can be edited by anyone with access the Wikipedia website.
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Everipedia removed some of the more annoying aspects of Wikipedia and created a site that is much easier to use. Notability re ...
Oppia is a free, open-source learning platform. Full of interactive activities called 'explorations', Oppia helps curious mind ...
Online dictionary and encyclopedia with pictures, facts, and videos. Get information and homework help with millions of articl ...
Infogalactic is an Internet-based, free-content encyclopedia project that is a dynamic fork of Wikipedia and improves upon the ...
Reference.com offers a massive online dictionary, thesaurus, encyclopedia, quote finder, and translator (powered by Google Tra ...
Expert-reviewed information about the Earth. For everyone
Scholarpedia is a peer-reviewed open-access encyclopedia written and maintained by scholarly experts from around the world. Sc ...
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The Encyclopædia Britannica is a general English-language encyclopaedia published by Encyclopædia Britannica, Inc., a privatel ...
LibreGameWiki the free gaming encyclopedia for games developed as open source and using open media.
The web's source of information for Ancient History: definitions, articles, timelines, maps, books, and illustrations. We're a ...
Worldometers is run by an international team of developers, researchers, and volunteers with the goal of making world statisti ...