Britannica
https://www.britannica.com/
United States
Encyclopædia Britannica, the oldest English-language general encyclopaedia. The Encyclopædia Britannica was first published in 1768, when it began to appear in Edinburgh, Scotland. The following account sketches the development of the ...
Web encyclopedias General
Scholarpedia
http://www.scholarpedia.org/article/Main_Page/
United States
Scholarpedia is a peer-reviewed open-access encyclopedia written and maintained by scholarly experts from around the world. ... Scholarpedia and Wikipedia are alike in many respects: both allow anyone to propose revisions to almost any ...
Web encyclopedias General
Wikipedia
https://en.wikipedia.org/wiki/Main_Page/
United States
Wikipedia (/ˌwɪkɪˈpiːdiə/ (About this sound listen) WIK-i-PEE-dee-ə or /ˌwɪkiˈpiːdiə/ (About this sound listen) WIK-ee-PEE-dee-ə) is a multilingual, web-based, free-content encyclopedia project supported by the Wikimedia Foundation and ...
Web encyclopedias General Mobile Applications Apple App Store Books and Reference ...
Citizendium
http://en.citizendium.org/
United States
http://en.citizendium.org/
United States
Citizendium is an English-language wiki-based free encyclopedia project launched by Larry Sanger, who had previously co-founded Wikipedia in 2001. It was first announced in September 2006 as a fork of the English Wikipedia, but that id ...
Web encyclopedias General
WikEM
https://wikem.org/
United States
WikEM, The Global Emergency Medicine Wiki, is the world's largest and most popular emergency medicine open-access reference resource. Our highly acclaimed content is freely available via the internet and our dedicated mobile applicatio ...
Web encyclopedias Medical
Our World in Data
https://ourworldindata.org/
United States
https://ourworldindata.org/
United States
Poverty, disease, hunger, climate change, war, existential risks, and inequality: the world faces many great and terrifying problems. It is these large problems that our work at Our World in Data focuses on. Thanks to the work of thous ...
Web encyclopedias Politics, law, and history
h2g2
https://h2g2.com/
United States
h2g2 is a constantly expanding, user-generated guide to life, the universe and everything. The site was founded in 1999 by Hitchhiker's Guide to the Galaxy author Douglas Adams. Anyone can write for h2g2 – which already has hundreds of thousands of Entrie ...
Web encyclopedias Pop culture and fiction
Web encyclopedias are online platforms that provide comprehensive and detailed information on a wide range of topics, similar to traditional print encyclopedias like Encyclopedia Britannica or World Book Encyclopedia. However, web encyclopedias are digital and accessible via the internet, making them more dynamic, interactive, and frequently updated.
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