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:

Nov 3, 2025 · Ad-free and free of charge, forever. With the official Wikipedia app, you can search and explore 40+ million articles in 300+ languages, no matter where you are.

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

Aug 17, 2020 · This is the latest accepted revision, accepted on 27 February 2024. This article is about the online encyclopedia. For Wikipedia's home page, see Main Page. For the primary …

Wikipedia is built by nearly 250,000 volunteers from all kinds of backgrounds. They edit articles, check facts, fix code, and help make the internet’s knowledge better.

The operation of Wikipedia depends on MediaWiki, a custom-made, free and open source wiki software platform written in PHP and built upon the MySQL database system.

Help us unlock the world’s knowledge. As a nonprofit, Wikipedia and our related free knowledge projects are powered primarily through donations.

"Free" refers to licensing, as explained above; "anyone can edit" refers to the fact that Wikipedia is a wiki, a website that nearly anyone with access to the web can edit without asking for …

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

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 …