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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 - Wiktionary, the free dictionary

    Nov 21, 2025 · Noun wiki (plural wikis) A collaborative website which can be directly edited merely by using a web browser, often by anyone who has access to it.

  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. 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 …

  5. 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 …

  6. 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 …

  7. 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."

  8. English Wikipedia - Wikipedia

    Official website English Wikipedia on Meta-Wiki Categories: English Wikipedia Wikipedias in Germanic languages Encyclopedias in English Global culture Internet properties established in 2001 2001 …

  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 …