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MediaWiki is a collaboration and documentation platform brought to you by a vibrant community.

Photo of participants of the Wikimedia Hackathon 2019

The MediaWiki software is used by tens of thousands of websites and thousands of companies and organizations. It powers Wikipedia and also this website. MediaWiki helps you collect and organize knowledge and make it available to people. It's powerful, multilingual, free and open, extensible, customizable, reliable, and free of charge. Find out more and if MediaWiki is right for you.

Set up and run MediaWiki

• Download, install and configure MediaWiki
• Add functionality by installing extensions
• Problems? See Errors and symptoms and FAQ
• Don't own a server? See Hosting services
• Get professional development and consulting
• Join MediaWiki Stakeholders user group

Edit and use MediaWiki

• Learn how to navigate
• Learn how to edit a page
• Learn more about reading, editing, and personal customization

Develop and extend code

• New to development? How to start contributing to Wikimedia
• How to work on MediaWiki or extensions' code
• Already a developer? Visit the developer hub
• Interact with content by using the Action API or Web API
• Read the developer docs

Get help and contribute

• Cannot find the answer to a problem with MediaWiki? Ask the Support desk!
• Get involved as a translator, designer, documentation writer, tester, tech ambassador, …
• Report wrong software behavior or a feature proposal

News

2024-11-04 to 2024-11-06

MediaWiki Users and Developers Conference Fall 2024 in Vienna, Austria.

2024-10-01

Maintenance release: 1.39.10, 1.41.4 and 1.42.3

2024-09-30

Security and maintenance release: 1.39.9 / 1.41.3 / 1.42.2 are now available.

2024-06-28

MediaWiki 1.40.x versions are now end of life.

2024-06-27

Maintenance release: 1.39.8 / 1.40.4 / 1.41.2 / 1.42.1

MediaWiki 1.42.0 is now available.

More news