GeezerVison

Web APIs

The content of all Wikimedia projects is released under free licenses. Write code to access, remix and grow this immense pool of free knowledge. Follow the tutorial to get started with the API, available on all MediaWiki wikis, and other APIs for content and Wikidata. Other open data sources, including XML and SQL dumps, are also available.

Software Development

Our code is all free and open source. Choose a project, provide a patch, and fix a task!

Wikimedia projects use a variety of languages such as PHP and JavaScript in MediaWiki and its extensions, Lua (in Templates), CSS/LESS (in skins etc.), Objective-C, Swing and Java (in Mobile Apps and Kiwix), Python (in Pywikibot), C++ (in Huggle), or C# (in AWB). Create bots to process content and host your tools on Toolforge. Hack on mobile apps or on desktop applications. Or help Site Reliability Engineering maintain the server configuration.

Learn more at New Developers/Introduction to the Wikimedia Technical Ecosystem .

Testing

Help improve the quality of our projects through PHPUnit testing, automated browser testing via Selenium, and Continuous Integration. Report your first bug or help with existing bug reports.

Ambassadors

As a Tech ambassador, help other Wikimedians with technical issues, relay Tech News to inform users about what is going to impact them, and join the ambassadors' group and the mailing list to act as a bridge between developers and your local wiki.

Documentation

English writers can improve the MediaWiki documentation, other essential support pages and, in fact, any page of this website.

Translation

If you are fluent in a language other than English you can join the effort by translating this website and the MediaWiki software.

Support

Help users and developers looking for answers at the support desk or the MediaWiki communication and social media channels.

Design

Help apply the Wikimedia design principles in projects looking for UX feedback.

Meet up

Meet other community members online or in person.

Tutorials

How-to guides and walkthroughs for MediaWiki and Wikimedia technologies

• There are several ways you can get into contact with the Wikimedia community.
• Follow and share Wikimedia news across your social network.
• Subscribe to Tech News to receive a weekly summary on your user talk page of recent software changes, without technical jargon.
• Learn about editing wikis as a developer.

If you have not used MediaWiki before:

• Register your user account on mediawiki.org.
• Learn how to edit wiki pages with VisualEditor or editing the source.
• Feel free to edit your public user page. Introduce yourself. You may use the User Info Template. Learn more reading the Wikipedia instructions.
• Check Help:Navigation .
• You can discuss the content of each page in its related Discussion page. You can communicate with users by adding a public message in their discussion pages. Learn more at Help:Talk pages .

• MediaWiki development
• MediaWiki.org website
• New contributors