MediaWiki

Welcome to MediaWiki.org

MediaWiki is a free and open source software 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
• Get professional development and consulting
• Join MediaWiki Stakeholders' Group, the third-party sysadmin user group

Developing & Extending

Choose a Wikimedia project and work on its code

• Learn to use our APIs
• Browse the developer docs and class reference
• Already a developer? Visit the developer hub
• Work on MediaWiki or MediaWiki extensions' code
• Join other developers in the MediaWiki Stakeholders' Group

Current version

• 1.31.1 – 2018-09-20
  
• 1.30.1 – 2018-09-20
  
• 1.27.5 – 2018-09-20
  

Download

News

2019-05-17 to 2019-05-19

• European Wikimedia Hackathon in Prague, Czech Republic.

2019-04-03 to 2019-04-05

• Enterprise MediaWiki Conference in Daly City, USA.

2018-10-23 to 2018-12-13

• A Wikimedia/MediaWiki development contest for 13-17 year old students is taking place. See Google Code-in/2018 for more information.

2018-09-20

• MediaWiki 1.31.1, 1.30.1, 1.29.3, 1.27.5 security releases are now available.
• Older news...