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

Dec 7, 2025 · Wikipedia is a free Internet-based encyclopedia, started in 2001, that operates under an open-source management style.

3 days ago · 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 …

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

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 …

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 …

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 …

"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 …

Wikiversity Access learning resources, projects and research at any level of study Wikidata The database of structured information collaboratively edited MediaWiki The software platform that …