Archived Challenges
Archived challenges are no longer accepting submissions and are included for historical purposes only.
Community College Innovation Challenge
National Science FoundationClosed On: 01/15/2015 05:00 AM
Data Visualization Challenge: Using Data to Improve Justice
Department of Justice - Office of Justice ProgramsClosed On: 01/30/2015 12:00 AM
DARPA CHIKV Challenge
Department of DefenseClosed On: 02/01/2015 05:00 AM
Design 3D Printable Handrail Clamp Assembly for the International Space Station
National Aeronautics and Space AdministrationClosed On: 02/16/2015 12:00 AM
Department of Energy Challenge Home
Department of EnergyClosed On: 02/24/2015 03:00 PM
Automatic Speech Recognition in Reverberant Environments (ASpIRE)
Office of Director of National Intelligence - Intelligence Advanced Research Project ActivityClosed On: 02/26/2015 12:00 AM
Carbon Monoxide Poster Contest
Consumer Product Safety CommissionClosed On: 02/27/2015 11:59 PM
Detection of Underground Voids - Sinkholes
Department of DefenseClosed On: 02/27/2015 11:59 PM
Market R&D Pilot Challenge
Department of Health and Human ServicesClosed On: 03/02/2015 12:00 AM
Head Health Challenge III: Advanced Materials for Impact Mitigation
Department of Commerce - National Institute of Standards and TechnologyClosed On: 03/13/2015 05:00 PM
Climate Resilience Data Challenge
National Aeronautics and Space AdministrationClosed On: 03/15/2015 12:00 AM
Balancing Benefits and Risks in New Payment Systems
Department of DefenseClosed On: 03/16/2015 12:00 AM
2015 TRI University Challenge
Environmental Protection AgencyClosed On: 03/27/2015 05:00 PM
Technology to Support Education in Crisis and Conflict Settings Ideation Challenge
International Assistance Programs - Agency for International DevelopmentClosed On: 03/30/2015 11:59 PM
Crushed Ivory Design Challenge
Department of the Interior - United States Fish and Wildlife ServiceClosed On: 03/31/2015 11:59 AM
EnvisioNano
National Science Foundation - National Nanotechnology Coordination OfficeClosed On: 03/31/2015 12:00 PM
Tracking & Tracing Books Prize Competition
International Assistance Programs - Agency for International DevelopmentClosed On: 04/01/2015 11:59 PM
"Where Am I, Where Is My Team?"
Department of Homeland Security - Science and TechnologyClosed On: 04/02/2015 11:59 PM
International Space Apps Challenge
National Aeronautics and Space AdministrationClosed On: 04/12/2015 12:00 AM
Digital Innovation & Strategy Hack-a-Thon
General Services AdministrationClosed On: 05/08/2015 03:30 PM
America's Seed Fund Logo Design Competition for the SBIR/STTR Programs
Small Business AdministrationClosed On: 05/29/2015 11:59 PM
Design by Biomedical Undergraduate Teams (DEBUT) 2015
Department of Health and Human Services - National Institutes of HealthClosed On: 05/29/2015 11:59 PM
ORNL Buildings Crowdsourcing Campaign
Department of Energy - Energy ProgramsClosed On: 05/31/2015 11:59 PM
Innovations in Measuring and Managing Addiction Treatment Quality
Department of Health and Human Services - Food and Drug Administration - National Institute on Drug AbuseClosed On: 06/01/2015 05:00 PM
2015 Growth Accelerator Fund Competition
Small Business AdministrationClosed On: 06/01/2015 11:59 PM
Novel Ballistic Coverage
Department of DefenseClosed On: 06/02/2015 11:59 PM
Mental Health and TBI Care Challenge
Department of DefenseClosed On: 06/05/2015 12:00 AM
DetectaRobo
Federal Trade CommissionClosed On: 06/07/2015 08:00 PM
Visualizing Nutrients
Environmental Protection AgencyClosed On: 06/08/2015 11:59 PM
Robocalls- Humanity Strikes Back (Qualifying Phase)
Federal Trade CommissionClosed On: 06/15/2015 10:00 PM
Wave Energy Prize
Department of Energy - Energy ProgramsClosed On: 06/15/2015 12:00 AM
Flexible Space Hatch Seal Device Concepts
National Aeronautics and Space AdministrationClosed On: 06/17/2015 12:00 PM
Excellence in AmeriCorps Programming and Service Awards
Corporation for National and Community ServiceClosed On: 06/22/2015 05:00 PM
Digital Service Contracting Professional Training and Development Program Challenge
Executive Office of the President - Office of Management and BudgetClosed On: 06/23/2015 11:59 PM
Find Optimal Configurations for Galactic Cosmic Ray Protection
National Aeronautics and Space AdministrationClosed On: 06/29/2015 11:59 PM
Wildlife Crime Tech Challenge
International Assistance Programs - Agency for International DevelopmentClosed On: 06/30/2015 05:00 PM
Harnessing Insights from Other Disciplines to Advance Drug Abuse and Addiction Research
Department of Health and Human Services - National Institutes of HealthClosed On: 06/30/2015 11:59 PM
Space Pioneering – Achieving Earth Independence
National Aeronautics and Space AdministrationClosed On: 07/06/2015 11:59 PM
DTN Dashboard Challenge
National Aeronautics and Space AdministrationClosed On: 07/06/2015 12:00 AM
DTN Neighbor Discovery Protocol Challenge
National Aeronautics and Space AdministrationClosed On: 07/11/2015 12:00 AM
Startup in a Day Competition - Dream Big Model
Small Business AdministrationClosed On: 07/13/2015 11:59 PM
Startup in a Day Competition - Start Small Model
Small Business AdministrationClosed On: 07/13/2015 11:59 PM
VA Care Coordination for Improved Outcomes Challenge
Department of Veterans AffairsClosed On: 07/13/2015 12:00 AM
3D-Printed Habitat Challenge - Design Competition
National Aeronautics and Space AdministrationClosed On: 07/15/2015 11:59 PM
Space Object Taxonomy
Department of DefenseClosed On: 07/20/2015 12:00 AM
SunShot Prize
Department of Energy - Energy ProgramsClosed On: 07/22/2015 11:59 PM
Aetna Foundation, HHS, & NHIT Collaborative Innovating for the Underserved Business Plan Challenge
Department of Health and Human ServicesClosed On: 07/22/2015 12:00 AM
Offender Reintegration Toolkit Challenge
Department of Health and Human Services - Substance Abuse and Mental Health Services AdministrationClosed On: 07/29/2015 11:59 PM
Opioid Overdose Prevention Challenge
Department of Health and Human Services - Substance Abuse and Mental Health Services AdministrationClosed On: 07/29/2015 11:59 PM
CineSpace Film Competition
National Aeronautics and Space AdministrationClosed On: 07/31/2015 12:00 AM
U.S. Obesity Data Challenge
Department of Health and Human ServicesClosed On: 08/03/2015 09:00 AM
City Software Development Kit (SDK) Data Solutions Challenge
Department of Commerce - Bureau of the CensusClosed On: 08/03/2015 12:00 PM
NASA Quest for Quakes
National Aeronautics and Space AdministrationClosed On: 08/09/2015 12:00 AM
Artisan Enterprise Multimedia Competition
International Assistance Programs - Department of State - OtherClosed On: 08/10/2015 11:59 PM
The Esri Human Health and Climate Change App Challenge
Department of Health and Human ServicesClosed On: 08/14/2015 05:00 PM
New Concepts for Remote Fish Detection
Department of the Interior - Bureau of ReclamationClosed On: 08/26/2015 11:59 PM
VA Center for Innovation Game Controller Adaptations for Differently-Abled Veterans
Department of Veterans AffairsClosed On: 08/27/2015 12:00 AM
Micro-Tasking Challenges Pilot
National Aeronautics and Space AdministrationClosed On: 09/02/2015 12:00 AM
Beyond the Box Digitization Competition
National Science FoundationClosed On: 09/04/2015 12:00 AM
Connecting Kids To Coverage Challenge
Department of Health and Human Services - Centers for Medicare and Medicaid ServicesClosed On: 09/07/2015 11:00 PM
Vizzies | Visualization Challenge
National Science FoundationClosed On: 09/15/2015 12:00 AM
The SunShot Catalyst Program
Department of Energy - Energy ProgramsClosed On: 09/21/2015 08:00 PM
Engineered Surfaces, Materials and Coatings for Aircraft Drag Reduction
Department of Defense - Air Force Research LabClosed On: 09/21/2015 11:59 PM
EV Everywhere Logo Challenge
Department of Energy - Energy ProgramsClosed On: 09/25/2015 11:59 PM
Reference Data Challenge
Department of Commerce - National Institute of Standards and TechnologyClosed On: 09/28/2015 05:00 PM
2015 Campus Rainworks Challenge
Environmental Protection AgencyClosed On: 09/30/2015 12:00 AM
Digital Innovation Hackathon Fall 2015
General Services AdministrationClosed On: 10/16/2015 04:00 PM
USDA Innovation Challenge
Department of AgricultureClosed On: 10/27/2015 05:00 PM
H2 Refuel H-Prize Competition
Department of Energy - Energy ProgramsClosed On: 10/29/2015 12:00 AM
EHR Innovations for Improving Hypertension Challenge
Department of Health and Human ServicesClosed On: 10/30/2015 11:59 PM
An Algorithm to Identify Material Mixtures from Raman Spectra
Department of DefenseClosed On: 11/15/2015 11:59 PM
Quantifying Drift Invertebrates in River and Estuary Systems
Department of the Interior - Bureau of ReclamationClosed On: 11/16/2015 11:59 PM
National Bio-Agro Defense Facility- Think and Do Challenge
Department of Homeland Security - Science and TechnologyClosed On: 11/30/2015 11:59 PM
A Wearable Alcohol Biosensor
Department of Health and Human Services - National Institutes of HealthClosed On: 12/02/2015 11:59 AM
In-Situ Materials Challenge
National Aeronautics and Space AdministrationClosed On: 12/03/2015 12:00 AM
Textile Test Methods Challenge
National Aeronautics and Space AdministrationClosed On: 12/03/2015 12:00 AM
2016 InnovateHER | Innovating for Women Business Challenge
Small Business AdministrationClosed On: 12/04/2015 11:59 PM
Reach Higher Career App Challenge
Department of EducationClosed On: 12/07/2015 11:59 PM
2016 Innovation in Affordable Housing Student Design and Planning Competition
Department of Housing and Urban DevelopmentClosed On: 12/10/2015 06:00 PM
Rethink Supply Chains
International Assistance Programs - Department of State - OtherClosed On: 12/13/2015 11:59 PM
Improve Water Heater Performance with Phase Change Materials
Department of Energy - Energy ProgramsClosed On: 12/16/2015 11:59 PM
Low-Cost BTU Sensor for Use in Building HVAC Control Systems
Department of Energy - Energy ProgramsClosed On: 12/16/2015 11:59 PM
Low-Temperature Intrinsically Safe Defrost System
Department of Energy - Energy ProgramsClosed On: 12/16/2015 11:59 PM
Bio-Inspired Advanced Exercise Concepts
National Aeronautics and Space AdministrationClosed On: 12/16/2015 12:00 AM
Nutrient Sensor Challenge Phase 2 - Technology Evaluations and Award Selections
Environmental Protection AgencyClosed On: 12/18/2015 11:59 PM
Right Whale Recognition Challenge
Department of Commerce - National Oceanic and Atmospheric AdministrationClosed On: 12/31/2015 11:59 PM
Bridging the Word Gap
Department of Health and Human Services - Health Resources and Services AdministrationClosed On: 12/31/2015 12:00 AM