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 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
Edit and use MediaWiki
Develop and extend code
New to development? Already a developer?
- Visit the Wikimedia Developer Portal
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, or developer
- Report wrong software behavior or a feature proposal