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 also 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   |   Contribute

Using MediaWiki

What is a wiki?

• Learn how to navigate
• Learn how to edit a page
• Get more help

System Administration

Install & configure MediaWiki

• Upgrade an existing MediaWiki installation
• Add features with third-party extensions
• Get more sysadmin help

Developing & Extending

Become a MediaWiki hacker

• Learn to use our APIs
• Write extensions or create your own skin
• Browse the developer docs and class reference
• Already a hacker? Visit the developer hub

Current version

• 1.29.1 – 2017-08-23
  
• 1.28.2 – 2017-04-30
  
• 1.27.3 – 2017-04-30
  

Download

News

2017-08-23

• MediaWiki 1.29.1 bugfix release is now available

2017-07-13

• MediaWiki 1.29.0 release is now available

2017-04-30

• MediaWiki 1.28.2, 1.27.3 security releases are now available.

2017-04-11

• MediaWiki 1.23.17 bugfix release is now available (fixes issue in 1.23.16 for PHP 5.3 installs)

2017-04-06

• MediaWiki 1.28.1, 1.27.2, 1.23.16 security releases are now available.
• Older news...

New opportunities

• All upcoming events...
• Archived opportunities...
• Other ways to contribute...