How to contribute

From mediawiki.org
Other languages:


Plug-in Noun project 4032.svg
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.
Source code project 1171.svg
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.
Hammer - Noun project 1306.svg
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.
OOjs UI icon message.svg
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.
OOjs UI icon book-ltr.svg
English writers can improve the MediaWiki documentation, other essential support pages and, in fact, any page of this website.
OOjs UI icon language-ltr.svg
If you are fluent in a language other than English you can join the effort by translating this website and the MediaWiki software.
OOjs UI icon speechBubbles-ltr.svg
Help users and developers looking for answers at the support desk or the MediaWiki communication and social media channels.
Vitruvian Man Noun project 6674.svg
Help apply the Wikimedia design principles in projects looking for UX feedback.
Community Noun project 2280.svg
Meet other community members online or in person.
Learning - The Noun Project.svg
How-to guides and walkthroughs for MediaWiki and Wikimedia technologies

More helpful information

Communication

There are several ways you can get into contact with the Wikimedia community.

Editing and discussing in MediaWiki

If you have not used MediaWiki before: