Alternatives and competitors

Sites like Wikipedia

The 20 closest online encyclopedia alternatives to Wikipedia, ranked by what they actually offer, and the 2 technologies behind it.

Looking for an alternative to Wikipedia? The closest matches are Wiktionary, Wikibooks and Wikisource. We match sites by what they actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Vote on each alternative and leave a short note to help the next person choose.

Neighbours
k = 20
Sites searched
4,032
Vector
384-d
Query
13 ms

01 · Entity

About Wikipedia

Wikipedia wikipedia.org

Wikipedia

Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.

Wikidata: free multilingual online encyclopedia

Top 100 · #39 English 2 technologies Crawled Nov 6, 2026
Visit Wikipedia

Summary by Claude

A free multilingual online encyclopedia written and edited by volunteers using wiki software, with editions in hundreds of languages.

Who it’s for
General public, students and researchers
Business model
Donations

02 · Embedding space

Competitor map

Each alternative by how close its vector is to Wikipedia’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

similarity × popularity

GlosbeWikimedia movementNamuwikiWikidataKnow Your MemeEncyclopædia Britannica OnlineWikiquoteWikisourceWikibooksWiktionary

03 · Nearest neighbours

Alternatives to Wikipedia

Thumbs up if it’s a real alternative to Wikipedia, thumbs down if it isn’t.

Only in English
  1. 01
    Wiktionary wiktionary.org Top 10K English

    Wiktionary

    free online multilingual dictionary

  2. 02
    Wikibooks wikibooks.org Top 10K English

    Wikibooks

    free multilingual online collection of textbooks

  3. 03
    Wikisource wikisource.org Top 10K English

    Wikisource

    online multilingual library that collects open-content source material

  4. 04
    Wikiquote wikiquote.org Top 10K English

    Wikiquote

    free multilingual online collection of quotes

  5. 05
    Encyclopædia Britannica Online britannica.com Top 1K English

    online edition of the Encyclopædia Britannica

  6. 06
    Know Your Meme knowyourmeme.com Top 10K English

    Internet Meme Database | Know Your Meme

    Know Your Meme is a website dedicated to documenting Internet phenomena: viral videos, image macros, catchphrases, web celebs and more.

  7. 07
    Wikidata wikidata.org Top 10K English

    Wikidata

    free multilingual online knowledge graph

  8. 08
    Namuwiki namu.wiki Top 10K English

    Paraguay-based Korean wiki website

  9. 09
    Wikimedia movement wikimedia.org Top 1K English

    Wikimedia Error

    global social movement for free educational knowledge

  10. 10
    Glosbe glosbe.com Top 10K English

    Glosbe Dictionary - All Languages of the World in One Place

    Glosbe dictionary - one place, all languages! Translations, example sentences, pronunciation recordings and grammar references. Check it out!

  11. 11
    MediaWiki mediawiki.org Top 10K English

    MediaWiki

    free and open-source wiki software, developed by the Wikimedia Foundation

  12. 12
    Project Gutenberg gutenberg.org Top 10K English

    Free eBooks | Project Gutenberg

    Project Gutenberg is a library of over 75,000 free eBooks. Choose from ebook formats or read online. No fees, no registration, no ads.

  13. 13
    Open Library openlibrary.org Top 10K English

    Welcome to Open Library | Open Library

    Open Library is an open, editable library catalog, building towards a web page for every book ever published. Read, borrow, and discover more than 3M books for free.

  14. 14
    wiki.gg Top 10K English

    Welcome to wiki.gg!

    wiki.gg hosts MediaWiki sites about common-interest topics. With over 800 wikis and an indie, editors-first mindset, we're a great place to host your wiki and we'd love to have you!

  15. 15
    Liquipedia liquipedia.net Top 10K English

    Liquipedia

    esports encyclopedia

  16. 16
    Wikidot wikidot.com Top 10K English

    Wikidot - Free and Pro Wiki Hosting

    Polish wiki hosting corporation

  17. 17
    dictionary.com Top 10K English

    Meanings & Definitions of English Words | Dictionary.com

    The world's leading online dictionary: English definitions, synonyms, word origins, example sentences, word games, and more. A trusted authority for 25+ years!

  18. 18
    Urban Dictionary urbandictionary.com Top 10K English

    Urban Dictionary, November 6: Yap Trap

    A seemingly endless debate with a idiot

  19. 19
    Merriam-Webster online dictionary merriam-webster.com Top 1K English

    online English dictionary hosted on merriam-webster.com

  20. 20
    MedlinePlus medlineplus.gov Top 10K English

    MedlinePlus - Health Information from the National Library of Medicine

    Find information on health conditions, wellness issues, and more in easy-to-read language on MedlinePlus, the up-to-date, trusted health information site from the NIH and the National Library of Medicine.

Ranked by score: the cosine similarity of each site’s vector to wikipedia.org’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones Wikipedia uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What Wikipedia is built with, and what its closest competitors use, from its homepage’s code and its DNS records.

SimilarSiteSearch

Competitors by meaning, stacks from the source. Data from public homepages and DNS.

About our crawler