MediaWiki is a free software open source wiki package written in PHP, originally for use on Wikipedia. It is now also used by several other projects of the non-profit Wikimedia Foundation and by many other wikis, including this website, the home of MediaWiki.
Users
- Learn how to navigate
- Learn how to edit a page
- Get more help
System administrators
- Upgrade an existing MediaWiki installation
- Add features with third-party extensions
- Get more sysadmin help
Developers
- Learn to use our APIs
- Write extensions or create your own skin
- Browse the developer docs and class reference
- Already a hacker? Visit the developer hub