The 2020 Call for Code Global Challenge

Deadline has passed


Join over 210,000 developers, data scientists and problem solvers who have come together over the past two years to build more than 8,000 applications in the largest tech challenge of its kind.

 This year's challenge is focused both on COVID-19 and climate change. Whatever you choose to build, register for free access to the IBM Cloud and to receive regular updates that will arm you with new skills and help you accelerate your development.


All developers, designers, and entrepreneurs who are over the age of 18 or the age of majority in their jurisdiction, whichever is greater. Employees of IBM, DCC, and governmental agencies are not eligible to participate. All participants must accept the terms of the Participation Agreement upon submission. Full details on eligibility can be found in the Participation Agreement.

Teams are created at the discretion of individual participants with a team being no more than five individuals. Options to find other team members are available through the Call for Code Slack community.