Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.

Wikipedia's sister projects Wikipedia is written by volunteer editors and hosted by the Wikimedia Foundation, a non-profit organization that also hosts a range of other volunteer projects:

Jun 3, 2026 · Wikipedia is a free Internet-based encyclopedia, started in 2001, that operates under an open-source management style.

May 25, 2026 · 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 …

Welcome! The Wikimedia movement is a global community of people, projects, and activities working together to create and share knowledge freely. Join us in making all knowledge available to …

Wikipedia[e] is a free online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the wiki software MediaWiki. Founded by Jimmy …

Other areas of Wikipedia Community portal – The central hub for editors, with resources, links, tasks, and announcements. Village pump – Forum for discussions about Wikipedia itself, including policies …

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. …

Look up // in Wiktionary, the free dictionary. The two slashes // may indicate: a comment marker in several programming languages including C, C++, JavaScript and Java the root directory path in …

??= may refer to: The trigraph which represents the number sign in C and C++ The null coalescing assignment operator, in some programming languages