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

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:

Wikipedia[c] 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 …

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 …

Search the 278,904 articles in the Simple English Wikipedia How to write Simple English pages · Useful pages · Simple talk · Categories · Help Schools Gateway (for users who want to make changes from …

Wikipedia is a free content online encyclopedia website in 344 languages of the world in which 342 languages are currently active and 14 are closed. It is written and maintained by a community of …

In August 2002, shortly after Jimmy Wales announced that he would never run commercial advertisements on Wikipedia, the URL of Wikipedia was changed from wikipedia.com to …

Go ahead and make that change! You can't break Wikipedia. Anything can be fixed or improved later. So whenever you want to change a page on Wikipedia, just click "change this page" at the top and …

This app is made by the Wikimedia Foundation, a nonprofit organization that supports and operates Wikipedia. We provide this service in the pursuit of open knowledge that’s always ad-free and...

Jan 15, 2026 · New video docuseries celebrates the humans who make knowledge on Wikipedia possible; new tech partnerships highlight Wikipedia's value in age of AI.