MediaWiki

Welcome to MediaWiki.org

MediaWiki is a free software open source wiki package written in PHP, originally for use on Wikipedia. It is now used by several other projects of the non-profit Wikimedia Foundation and by many other wikis, including this website, the home of MediaWiki.

Use the links below to explore the site contents. You'll find some content translated into other languages, but the primary documentation language is English.

For general questions about MediaWiki see the communication page or ask at the support desk.

About this site   |   About MediaWiki   |   Download   |   Help and support

Users What is a wiki? Learn how to navigate Learn how to edit a page Get more help

System administrators Install & configure MediaWiki Upgrade an existing MediaWiki installation Add features with third-party extensions Get more sysadmin help

Developers Become a MediaWiki hacker Learn to use the API and write extensions Browse the developer docs and class reference Already a hacker? Visit the developer hub

Current version 1.17.0 – 2011-06-22 Download

News 2011-11-04: 1.18 beta1 released MediaWiki 1.18 beta 1 is now available. 2011-06-22: 1.17.0 released MediaWiki 1.17.0 has been released. 2011-06-14: 1.17.0rc1 released MediaWiki 1.17.0rc1 is now available. 2011-05-05: 1.17 beta 1 released MediaWiki 1.17 beta 1 is now available. 2011-05-05: 1.16.5 released MediaWiki 1.16.5 security release available. Older news...