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  1. Wikipedia, the free encyclopedia

    Wikidata Free knowledge base Wikiversity Free learning resources Wikiquote Free quote compendium MediaWiki Free & open wiki software Wikisource Free content library …

  2. Wikipedia | Definition, Encyclopedia, History, & Facts ...

    Dec 7, 2025 · Wikipedia is a free Internet-based encyclopedia, started in 2001, that operates under an open-source management style.

  3. Wiki Experts Inc - Wikimedia

    Welcome! The Wikimedia movement is a global community of people, projects, and activities working together to create and share knowledge freely. Join us in making all knowledge …

  4. Wikipedia, the free encyclopedia

    Commons Free media repository MediaWiki Wiki software development Meta-Wiki Wikimedia project coordination Wikibooks Free textbooks and manuals Wikidata Free knowledge base

  5. English Wikipedia - Meta-Wiki

    2 days ago · The English Wikipedia, also abbreviated as en-WP, or simply enwiki, is the English-language version of Wikipedia. It is the original Wikipedia, and although the project has since …

  6. Home – Wikimedia Foundation

    We support protect fund openhuman knowledge We are the nonprofit that hosts Wikipedia. We support the people, technology, and policies that enable reliable information to be shared with …

  7. Wiki | Definition & Facts | Britannica

    Nov 17, 2025 · wiki, website that can be modified or contributed to by users. Wikis can be dated to 1995, when American computer programmer Ward Cunningham created a new …