Wikidata Free knowledge base Wikiversity Free learning resources Wikiquote Free quote compendium MediaWiki Free & open wiki software Wikisource Free content library Wikispecies Free species …

Nov 5, 2025 · Wiki Science Competition Upload your photographs related to science for the Wiki Science Competition 2025. Learn more about the contest!

The Wiki Wiki covers everything related to wikis, including individual wikis, events, best practices, companies, history, and much more. Apart from creating articles about specific wikis and 'the nature …

1 day 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 days ago · 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.

Wikipedia started with an impossible idea: to build a free encyclopedia for and by the world. Almost two decades later, we’ve made some serious progress. Nearly 300 languages, more than 45 million …

Commons Free media repository MediaWiki Wiki software development Meta-Wiki Wikimedia project coordination Wikibooks Free textbooks and manuals Wikidata Free knowledge base

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 …

"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."

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