The best Encyclopedia alternative to Encyclopædia Britannica is Wikipedia, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Encyclopædia Britannica and 18 are Encyclopedias so hopefully you can find a suitable replacement. Other interesting Encyclopedia alternatives to Encyclopædia Britannica are Grokipedia, Wikiless, Scholarpedia and Encyclopedia.com.
Free content, multilingual online encyclopedia written and maintained by a community of volunteers through a model of open collaboration, using a wiki-based editing system.
Grokipedia is an online encyclopedia created by xAI that positions itself as an alternative to Wikipedia. Articles are generated and later labeled as “fact checked by .
Scholarpedia is a peer-reviewed open-access encyclopedia written and maintained by scholarly experts from around the world. Scholarpedia is inspired by Wikipedia and aims to complement it by providing in-depth scholarly treatments of academic topics.
Online dictionary and encyclopedia with pictures, facts, and videos. Get information and homework help with millions of articles in our free, online library.
Non-profit history encyclopedia with the mission to engage people with cultural heritage and to improve history education worldwide.
Wikipedia, better than ever—on iPhone, iPad, and Apple Watch. Discover the world and enjoy beautiful typography with this sleek app.
Infoplease is a reference and learning site, combining the contents of an encyclopedia, a dictionary, an atlas and several almanacs loaded with statistics, facts, and historical records. Our editors regularly update and refine this enormous body of information—as well as adding...
HandWiki is a wiki encyclopedia dedicated to scientific computing and science. This wiki can be used for collaborative editing of articles about applications of computers and software programs in different areas of science, finance and engineering.
Citizendium, powered by MediaWiki, is "an open wiki project dedicated to creating a free, comprehensive, and reliable repository of structured knowledge". Unlike with Wikipedia, a contributor must register using their real name and verify their identity.
Alchetron.com is a free social encyclopedia for world where you can create, organize and learn easily using topics.
With Alchetron you can search & share thousands of organized topics which can be biographies, free courses for students etc.
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