Topcoder

Topcoder is the world's largest community of competitive designers, developers, and data scientists. Born in 2001, our community is represented in every country across the globe. Topcoder is repeatable, on-demand crowdsourcing, done right, at mass…

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The Unlinkable Data Challenge: Advancing Methods in Differential Privacy

Propose a mechanism to enable the protection of personally identifiable information while maintaining a dataset's utility for analysis.

Topcoder for Veterans

We help military service members and veterans transition to a career in technology on the world’s premier crowdsourcing platform.

by VA Center for Innovation

My Kidney Nutrition App Features Challenge

Compete to make the VA's My Kidney Nutrition App fun and gamified while implementing rewards tailored to the user’s kidney health goals

by VA National Cemetery Administration

Veterans Online Memorial Challenge

Submit your idea to make the Veterans Online Memorial more engaging and meaningful for users

by The United States Special Operations Command

Urban 3D Challenge

Build an algorithm providing reliable automatic labeling of buildings based solely on orthorectified color satellite imagery/3D height data

by VA Center for Innovation

The VA PseudoVet Challenge

Compete to build synthetic patient database software for the U.S. Department of Veteran Affairs

by NASA Tournament Lab

High Performance Fast Computing Challenge

Improve the speed of computational fluid dynamics algorithms in NASA's FUN3D software.

NIST Virtual Public Safety Test Environment Challenge

Design a physical measurement environment that uses immersive virtual reality tools for testing new first responder technologies

Topcoder Anti-Coronavirus Hackathon

Ideation hackathon to share solutions to help any group (government, health care workers, society, etc.) with the impacts of coronavirus.