bullhornSubmissions for the 2020 Call for Code Global Challenge are closed. Stay tuned for details on the finalists.  See what’s next

Our 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.


Number of participants since the Challenge began

165 nations

Have contributed to create 8,000+ challenge apps

Deployments spotlight

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Project OWL

See how this team went from winning Call for Code to deploying their mesh network technology in Puerto Rico.

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This team sought the experience of a firefighter and nurse to inform their health-monitoring system field-tested in Barcelona.

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