Contribute to Wikimedia open source
Help build the Wikimedia ecosystem with open source software.
Learn how contributing works¶
Get the basics of how to contribute to MediaWiki and other Wikimedia open source projects.
Contribute by topic¶
Find ways to contribute, and connect with others with shared interests.
Contribute by programming language¶
Choose a project to contribute to based on programming language.
Search all projects¶
Search all Wikimedia open source software projects.