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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 Wikispecies Free species …

  2. 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 collaborative technology for …

  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 others. A site …

  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

    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 the world. Help …

  8. Wikipedia

    You deserve an explanation, so please don't skip this 1-minute read. It's Sunday, December 28. Our fundraiser will soon be over, but fewer people are seeing our message this December and we're …

  9. Wikipedia - Wikipedia, the free encyclopedia

    Aug 17, 2020 · Wikipedia Template:Notetag is a free multilingual online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and …

  10. 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 to Wikipedia …