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.

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 English …

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

Wikipedia is a free online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the wiki softw...

Wikipedia is a free online encyclopedia that allows its users to edit almost any article. Wikipedia is the largest and most popular general reference work on the Internet and is ranked among the ten most …

The Wikimedia movement is a global community of people, projects, and activities working together to create and share knowledge freely.

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.

"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 permission.

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.