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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 | Britannica

    Dec 7, 2025 · Wikipedia uses collaborative software known as a wiki that facilitates the creation and development of articles. Although some highly publicized problems have called attention …

  3. English Wikipedia - Meta-Wiki

    Nov 6, 2025 · 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 …

  4. WIKI Definition & Meaning - Merriam-Webster

    The software, whose name is based on a Hawaiian term for "quick," allows website visitors to contribute content to its pages and comment on and make changes to information posted by …

  5. 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

  6. WIKI | definition in the Cambridge English Dictionary

    WIKI meaning: 1. a website that allows users to add, delete (= get rid of), and edit (= change) the contents, or…. Learn more.

  7. Home – Wikimedia Foundation

    CC BY-SA 4.0 Wiki world illustration Wikimedia Foundation CC BY-SA 4.0 Wiki Mobile Illustration Wikimedia Foundation CC BY-SA 4.0 WikiSG Headshots Taufik Don Wong for Tiny Big …

  8. Wikivoyage – The free worldwide travel guide that you can edit

    The free worldwide travel guide that you can edit. The official, non-commercial sister site of Wikipedia for sightseeing, activities, cuisine and accommodation around the world.

  9. 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 …

  10. Wiki - Wikipedia

    "A wiki invites all users—not just experts—to edit any page or to create new pages within the wiki website, using only a standard 'plain-vanilla' Web browser without any extra add-ons."