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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 [[<tvar|2>Special:MyLanguage/MediaWiki testimonials|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 [[<tvar|2>Special:MyLanguage/Manual:Deciding whether to use a wiki as your website type|if MediaWiki is right for you]].

Set up and run MediaWiki

Download, [[<tvar|2>Special:MyLanguage/Manual:Installation guide|install]] and [[<tvar|3>Special:MyLanguage/Manual:System administration|configure]] MediaWiki
Add functionality by installing extensions
Problems? See Errors and symptoms and [[<tvar|2>Special:MyLanguage/Manual:FAQ|FAQ]]
Don't own a server? See Hosting services
Get professional development and consulting
Join MediaWiki Stakeholders user group

Edit and use MediaWiki

Develop and extend code

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 [[<tvar|2>Special:MyLanguage/API:Web APIs hub|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