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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. 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 …

  3. 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 …

  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. Wikipedia

    You deserve an explanation, so please don't skip this 1-minute read. It's Monday, December 22. Our fundraiser will soon be over, but we're short of our goal. If you've lost count of how many …

  6. 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 …

  7. Wikipedia - Wikipedia

    In 2003, economics PhD student Andrea Ciffolilli argued that the low transaction costs of participating in a wiki created a catalyst for collaborative development, and that features such …

  8. 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."

  9. Wikipedia

    Wikipedia is a free online encyclopedia that allows users to edit and create articles collaboratively in multiple languages.

  10. Wikipedia - Simple English Wikipedia, the free encyclopedia

    Wikipedia's name is a combination of two words, wiki and encyclopedia.[3] Wikipedia was started on January 9, 2001, by Jimmy Wales and Larry Sanger as part of an earlier online …