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

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

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Release MediaWiki 1.40.0 is now available.
Security MediaWiki 1.35.11, 1.38.7 and 1.39.4 security releases are now available.
Maintenance update MediaWiki 1.38.x versions are now end of life.

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