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
Introducing Call for Code for Racial Justice
This new global initiative brings together developers and partners to build, test, and leverage open source solutions to eradicate systemic racism.



Call for Code in the media
Read the latest news about the largest tech-for-good initiative of its kind.