Call For Code®

100,000 developers from 156 nations accepted the challenge and built over 2,500 applications in 2018. Over 60 organizations amplified the Call as supporters last year.

Will you answer the call in 2019?

The 2018 Call for Code Challenge winner is Project Owl!

IBM Developer congratulates the team of Project OWL for winning the 2018 Call for Code Challenge. Project OWL (Organization, Whereabouts, and Logistics) is a two-part hardware/software solution. It creates an offline communication infrastructure during natural disasters, giving First Responders a simple and reliable interface to manage every facet of search, rescue, and restore.

The winning team's solution will be implemented by IBM through the Code and Response initiative.

Call for Code 2018 Winners - Project Owl

Do you have big ideas that can create big change?


Call for Code is seeking solutions for this year’s challenge. Head to the 2019 Challenge Experience and join. You may even see your open source idea implemented through the Code and Response program!

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Tackle some of the hardest problems with help from the community, share your knowledge or learn from others on the key areas where technological solutions could make the greatest impact.

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Competition Details

Commit to the Cause Push for Change

The Call for Code Challenge for 2018 was a competition that asked developers to outthink natural disasters and build the solutions that will significantly improve the current state of disaster preparedness in your community and around the world.

Learn about the 2019 challenge

Join the Call for Code 2019 Challenge