Help solve the world’s greatest challenges. Answer the call.
Use your skills to take on sustainability issues, from improving supply chains to developing clean energy solutions and protection of biodiversity. Start building your solution for the 2022 Call for Code Global Challenge for the chance to win $200,000 USD and receive support to see your solution deployed.
Call for Code invites developers and problem solvers around the world to build and contribute to sustainable, open source technology projects that address social and humanitarian issues, while ensuring the top solutions are deployed to make a demonstrable difference.
500,000+
Developers, data scientists, and problem solvers have created a unique tech for good community
180 nations
Contributors from around the world created more than 20,000 apps for humanitarian issues.
Multiple ways to get involved
Call for Code has expanded into a broader, always-on, tech for good platform, providing additional opportunities to get involved beyond the yearly Global Challenge. Discover open source projects, including Call for Code for Racial Justice, where you can contribute to make a lasting difference.
Call for Code Global Challenge
Build tech solutions for a greener future
Open source projects
Connect with the communities and start contributing
Call for Code for Racial Justice
Join projects aimed at combating systemic racism
Solutions being deployed
Learn about our featured deployments
Partner with Call for Code
You don’t have to be a developer to make a difference. Call for Code has the year-round support of enterprises, experts, humanitarian and international organizations, charitable partners, celebrities, and more. Explore the many ways you can support Call for Code.
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Explore the latest from Call for Code
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Agrolly releases AI app to help Brazilian farmers improve crop yields
Medium digest
Clemson working with IBM and AgStack to globally expand and revolutionize Cooperative Extension…
Medium digest
Saaf Water wins the 2021 Call for Code Global Challenge
