Wikipedia’s list of online encyclopedias catalogs reference works and notes where activity information may need updates.

wikipedia.org/wiki/List_of_online_encyclopedias
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About List of Encyclopedias

This is a Wikipedia list of online encyclopedias, both currently accessible and formerly accessible. It covers general reference works and many specialized ones, including editions of print encyclopedias and sites that began online. Entries span many languages, such as English, Chinese, Spanish, German, and Vietnamese.

For each entry, the list records a status (such as Active, Defunct, or Read-only (archived)), the access model (free, subscription, or limited free access), the content license where known, and any fork or merger relationships. The list is dynamic and does not claim to be complete. The page notes that its activity-status information may need updating, so entries should be checked against current sources.

Key features

  • Catalogs general reference and specialized online encyclopedias in one list
  • Lists entries in many languages, including English, Chinese, Spanish, and German
  • Shows status for each entry: Active, Defunct, or Read-only (archived)
  • Indicates access model: free, subscription, or limited free access
  • Records content licenses such as CC BY-SA 4.0 and GFDL where known
  • Notes forks and mergers between encyclopedias, such as those based on Wikipedia
Best for: Researchers, librarians, and students who want an overview of online encyclopedias in different languages and need to know which ones are active or free to read.
Good for
  • Records status, access model, and content license for many entries
  • Invites readers to add missing items with references to reliable sources
Watch out for
  • Activity information may be out of date; the page flags sections for updating (October 2024)
  • The list is dynamic and may never be complete
  • Many entries show license or access details as unknown or none

List of Encyclopedias at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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List of Encyclopedias FAQ

Does the list show whether an encyclopedia is still running?
Each entry has a status field, such as Active, Defunct, or Read-only (archived). The page notes that activity information may need updates, so the status should be checked against the encyclopedia itself.
Can readers add encyclopedias that are missing from the list?
Yes. The page asks readers to edit it to add missing items, with references to reliable sources.
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