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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 2017


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.





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  • Learn how to navigate


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  • New to development? Choose a software project to hack on


  • 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




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2019-05-17 to 2019-05-19
  • European Wikimedia Hackathon in Prague, Czech Republic.
2019-01-11

  • ReleaseMediaWiki 1.32.0 is now available.
2018-09-20

  • SecurityMediaWiki 1.31.1, 1.30.1, 1.29.3, 1.27.5 security releases are now available.

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