Best Citizendium Alternatives in 2026
Updated
20 apps from online encyclopedias ranked against Citizendium on the same published basis.
- 1Citizendium vs Wikipedia
- 2Citizendium vs Baidu Baike
- 3Citizendium vs Enciclopèdia.cat
- 4Citizendium vs Encyclopaedia Britannica
- 5Citizendium vs Encyclopedia of Alabama
- 6Citizendium vs Encyclopedia of Arkansas
- 7Citizendium vs Encyclopedia of Korean Culture
- 8Citizendium vs Encyclopedia Virginia
- 9Citizendium vs Encyclopedia.com
- 10Citizendium vs Klexikon
- 11Citizendium vs Lex – Danmarks Nationalleksikon
- 12Citizendium vs Store norske leksikon
- 13Citizendium vs The Canadian Encyclopedia
- 14Citizendium vs Wikiquote
- 15Citizendium vs Encyclopédie Larousse
- 16Citizendium vs New World Encyclopedia
- 17Citizendium vs Vikidia
- 18Citizendium vs Treccani
- 19Citizendium vs Credo Reference
- 20Citizendium vs Infoplease
Citizendium alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Wikipedia | 6.5 | Free plan | Free | Android, API, iOS, Web |
| 2 | Baidu Baike | 6.4 | Free plan | Free | Web |
| 3 | Enciclopèdia.cat | 6.4 | Free plan | Free | Web |
| 4 | Encyclopaedia Britannica | 6.4 | Free plan | Free | Web |
| 5 | Encyclopedia of Alabama | 6.4 | Free plan | Free | Web |
| 6 | Encyclopedia of Arkansas | 6.4 | Free plan | Free | Web |
| 7 | Encyclopedia of Korean Culture | 6.4 | Free plan | Free | API, Web |
| 8 | Encyclopedia Virginia | 6.4 | Free plan | Free | Web |
| 9 | Encyclopedia.com | 6.4 | Free plan | Free | Web |
| 10 | Klexikon | 6.4 | Free plan | Free | Web |
| 11 | Lex – Danmarks Nationalleksikon | 6.4 | Free plan | Free | Web |
| 12 | Store norske leksikon | 6.4 | Free plan | Free | API, iOS, Web |
| 13 | The Canadian Encyclopedia | 6.4 | Free plan | Free | Web |
| 14 | Wikiquote | 6.4 | Free plan | Free | Web |
| 15 | Encyclopédie Larousse | 6.3 | Free plan | Free | Web |
| 16 | New World Encyclopedia | 6.3 | Free plan | Free | Web |
| 17 | Vikidia | 6.3 | Free plan | Free | Web |
| 18 | Treccani | 5.5 | Android, iOS, Web | ||
| 19 | Credo Reference | 5.4 | Web | ||
| 20 | Infoplease | 5.4 | Web |
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Questions about Citizendium alternatives
What is the best alternative to Citizendium?
Wikipedia, number 1 in online encyclopedias with a score of 6.5 out of 10. The others here: Baidu Baike, Enciclopèdia.cat, Encyclopaedia Britannica and 16 more.
What is the best free alternative to Citizendium?
Wikipedia is the best-ranked alternative with a free plan. 17 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.