Best Online Encyclopedias in 2026 · page 2
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Oxford Reference
Oxford Reference is a web-based service combining Oxford University Press dictionaries, companions, and encyclopedias in one cross-searchable resource.
Web5.6 - 275.4
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Britannica Library
Britannica Library is a web-based research and learning resource for public libraries and their patrons, including homeschoolers and lifelong learners.
Web5.3 - 29
Citizendium
Web5.1 - 30
Wikiwand
WebExtension5.0 - 314.6