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

    5 days ago · 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 …

  3. 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 as allowing easy …

  4. What Is a Wiki? - How-To Geek

    Apr 3, 2022 · What Is a Wiki? The internet is loaded with informational websites of widely varying quality. Some are filled with carefully curated content, written and edited by people with specialized training …

  5. 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 …

  6. 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."

  7. English Wikipedia - Wikipedia

    The English Wikipedia is the primary [a] English-language edition of Wikipedia, an online encyclopedia. It was created by Jimmy Wales and Larry Sanger on 15 January 2001, as Wikipedia's first edition. …

  8. Wikipedia

    Wikidata Free knowledge base Wikiversity Free course materials Wikiquote Free quote compendium MediaWiki Free & open wiki application Wikisource Free library Wikispecies Free species directory …

  9. 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 encyclopedia named …

  10. Wiki - Simple English Wikipedia, the free encyclopedia

    Overview Every wiki can be changed, or edited, by anyone who has an account on the wiki, or by everyone in the world if the wiki allows it. Some important pages can only be changed by certain …