swap_horiz Citizendium Alternatives
Looking for alternatives to Citizendium? Compare the top Encyclopedia options ranked by our AI scoring system.
Citizendium
Citizendium is an English-language online encyclopedia founded by Larry Sanger, who had earlier helped establish Wikipedia. It began in 2006 as a separate collaborative reference project intended to combine wiki-based editing with contributor accountability and subject-matter oversight. The project...
apps Top Citizendium Alternatives
The top alternative to Citizendium in 2026 is Encyclopædia Britannica with a score of 9.2/10, followed by Encyclopaedia Iranica (9.2) and Stanford Encyclopedia of Philosophy (9.2).
Encyclopædia Britannica
The Encyclopædia Britannica offers comprehensive knowledge across a vast range of subjects. It’s a respected resource bu...
Encyclopaedia Iranica
The Encyclopaedia Iranica is a comprehensive online reference work dedicated to documenting Iranian civilization. Establ...
Stanford Encyclopedia of Philosophy
The Stanford Encyclopedia of Philosophy offers a comprehensive academic resource for philosophical concepts and thinkers...
The New Palgrave Dictionary of Economics
The New Palgrave Dictionary of Economics provides comprehensive coverage of economic theory, history, and institutions....
World Book Encyclopedia
The World Book Encyclopedia represents a comprehensive reference work offering broad coverage of global topics. Publishe...
Encyclopaedia of Islam, THREE
The Encyclopaedia of Islam, Third Edition represents a comprehensive scholarly resource detailing the history and tradit...
Encyclopedia of the Qur'an
The Encyclopaedia of the Qur'an (EQ) is a multi-volume scholarly reference work published by Brill Academic Publishers....
Brockhaus Enzyklopädie
The "Brockhaus Enzyklopädie" is a long-standing German-language general encyclopedia, historically recognized for its co...
Treccani Enciclopedia Italiana
Treccani Enciclopedia Italiana is Italy's principal encyclopedia institution, founded in Rome in 1925 by Giovanni Trecca...
Routledge Encyclopedia of Philosophy
The Routledge Encyclopedia of Philosophy is a comprehensive reference work first published in 1998 by Routledge and edit...
World Book Online
World Book Online is a digital, subscription-based reference platform published by World Book, Inc. Following the compan...
Scholarpedia
Scholarpedia is a free online encyclopedia founded in 2006 by neuroscientist Eugene M. Izhikevich. Its articles are writ...
Grolier Online
Grolier Online was a comprehensive, subscription-based digital reference platform designed for schools and libraries. Or...
Encyclopedia.com
Encyclopedia.com is a digital reference platform that aggregates entries from approximately 200 published encyclopedias,...
Infoplease
Infoplease is an online reference platform that has been active since 1998, providing users with a consolidated database...
h2g2
h2g2 is a British collaborative online encyclopedia project founded in 1999 by Douglas Adams, the author of The Hitchhik...
Everything2
Everything2 is an English-language collaborative online community built around a database of interlinked, user-submitted...
Enciclopedia Libre Universal en Español
Enciclopedia Libre Universal en Español is a free, Spanish-language online encyclopedia established in 2002. It began as...
Conservapedia
Conservapedia is an English-language, wiki-based online encyclopedia founded in 2006 by American lawyer and Christian co...
Metapedia
Metapedia is a multilingual, wiki-based online encyclopedia launched in Sweden in 2006. It presents itself as an alterna...
summarize Quick Comparison Summary
| Alternative | Score | vs Citizendium | Action |
|---|---|---|---|
| 9.2 Excellent | +3.5 | Compare | |
| 9.2 Excellent | +3.5 | Compare | |
| 9.2 Excellent | +3.5 | Compare | |
| 9.2 Excellent | +3.5 | Compare | |
| 9.1 Excellent | +3.4 | Compare | |
| 9.1 Excellent | +3.4 | Compare | |
| 9.0 Excellent | +3.3 | Compare | |
| 9.0 Excellent | +3.3 | Compare | |
| 9.0 Excellent | +3.3 | Compare | |
| 9.0 Excellent | +3.3 | Compare |
See all Encyclopedia ranked by score
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