CALL FOR CODE
open source projects need you
Join the cutting-edge community building open source projects to fight back against the most pressing issues of our time. See your code deployed to help those in need.
Learn how to get startedOur mission
The Call for Code Global Challenge — created by David Clark Cause and supported by Founding Partner IBM and Charitable Partner United Nations Human Rights — invites developers and problem solvers around the world to build solutions that fight back against the most pressing issues of our time. Together with The Linux Foundation, top solutions are open sourced and deployed.
400,000+
Innovators participated since Call for Code began in 2018
179 nations
Contributed to create 15,000+ apps for humanitarian issues
The time to build for our communities is now
Join the cutting-edge community building open source projects to fight back against the most pressing issues of our time. See your code deployed to help those in need.
Get started
What’s new
This Black History Month, answer the Call for Code for Racial Justice.
This global initiative brings together developers and partners to build, test, and implement open source solutions to fight systemic racism.



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