Archived Challenges
Archived challenges are no longer accepting submissions and are included for historical purposes only.
NIJ Randomized Controlled Trial Challenge in Criminal Justice Agencies
Department of Justice - Office of Justice ProgramsClosed On: 01/04/2016 12:00 PM
Gun Safety Technology Challenge
Department of Justice - Office of Justice ProgramsClosed On: 01/05/2016 11:59 PM
Sample Return Robot Challenge
National Aeronautics and Space AdministrationClosed On: 01/07/2016 12:00 AM
Healthcare-Associated Venous Thromboembolism (HA-VTE) Prevention Challenge
Department of Health and Human Services - Centers for Disease Control and PreventionClosed On: 01/10/2016 11:59 PM
Up For A Challenge (U4C) – Stimulating Innovation in Breast Cancer Genetic Epidemiology
Department of Health and Human Services - National Institutes of HealthClosed On: 01/15/2016 08:00 PM
Nutrient Recycling Challenge
Environmental Protection AgencyClosed On: 01/15/2016 11:59 PM
Asteroid Grand Challenge Video
National Aeronautics and Space AdministrationClosed On: 01/29/2016 12:00 AM
The NIEHS Climate Change and Environmental Exposures Challenge
Department of Health and Human ServicesClosed On: 02/02/2016 09:00 AM
Generation Nano - Small Science, Superheroes
National Science FoundationClosed On: 02/02/2016 11:59 PM
Free Flyer Robotic Arm System Architecture Contest
National Aeronautics and Space AdministrationClosed On: 02/05/2016 12:00 AM
Federal Maritime Commission (FMC) Chairman's Earth Day Award
Federal Maritime CommissionClosed On: 02/10/2016 11:00 AM
Improving NASA Enterprise Search Capabilities
National Aeronautics and Space AdministrationClosed On: 02/10/2016 12:00 AM
Lean for Main Street Training Challenge
Small Business AdministrationClosed On: 02/11/2016 09:00 AM
Environmentally Friendly Replacement for Buoy Mooring Systems
Department of Homeland Security - Science and TechnologyClosed On: 02/12/2016 11:59 PM
Sky for All: Air Mobility for 2035 and Beyond
National Aeronautics and Space AdministrationClosed On: 02/26/2016 12:00 AM
The Open Science Prize
Department of Health and Human Services - National Institutes of HealthClosed On: 02/29/2016 05:00 PM
Algorithm for Real-Time Parallax Correction
Department of DefenseClosed On: 02/29/2016 11:59 PM
USDA E.A.T. School Lunch UX Challenge
Department of Agriculture - Food and Nutrition ServiceClosed On: 03/01/2016 05:00 PM
Visualize Your Water
Environmental Protection AgencyClosed On: 03/01/2016 08:00 PM
Robonaut Vision Tool Manipulation Challenge
National Aeronautics and Space AdministrationClosed On: 03/08/2016 12:00 AM
MTConnectStudentIdeas
Department of DefenseClosed On: 03/15/2016 12:00 PM
2016 TRI University Challenge
Environmental Protection AgencyClosed On: 03/27/2016 11:59 PM
My Preparedness Story - Staying Healthy and Resilient
Department of Health and Human Services - Office of the Assistant Secretary for Preparedness and ResponseClosed On: 03/28/2016 11:00 PM
DREAMS Innovation Challenge
International Assistance Programs - Department of State - OtherClosed On: 03/28/2016 12:00 AM
Materials Science and Engineering Data Challenge
Department of Defense - Air Force Research LabClosed On: 03/31/2016 11:59 PM
CTE Makeover Challenge
Department of EducationClosed On: 04/01/2016 12:00 AM
Transform Tox Testing Challenge Stage 1
Environmental Protection AgencyClosed On: 04/08/2016 12:00 AM
NASA Experiment Attachment System (EAS) Challenge
National Aeronautics and Space AdministrationClosed On: 04/10/2016 11:00 PM
NASA In-Space Manufacturing Logo Challenge
National Aeronautics and Space AdministrationClosed On: 04/14/2016 12:00 AM
Government-wide Earth Day Hackathon
General Services AdministrationClosed On: 04/22/2016 04:30 PM
Addiction Research - There’s an App for that
Department of Health and Human Services - Food and Drug AdministrationClosed On: 04/29/2016 11:59 PM
Future Engineers Star Trek Replicator Challenge
National Aeronautics and Space AdministrationClosed On: 05/01/2016 11:59 PM
Memorials for the Future
Department of the Interior - National Park ServiceClosed On: 05/04/2016 11:59 PM
Tax Design Challenge
Department of the Treasury - Internal Revenue ServiceClosed On: 05/10/2016 11:59 AM
Detecting Soil Movement in Embankments
Department of the Interior - Bureau of ReclamationClosed On: 05/10/2016 12:00 AM
Detecting Soil Movement in Embankments
Department of the Interior - Bureau of ReclamationClosed On: 05/10/2016 12:00 AM
Design an Improved Heat Exchanger for Engine-Driven Heat Pumps
Department of Energy - Energy ProgramsClosed On: 05/16/2016 12:00 AM
Design Novel Compression System for Air Conditioning Applications
Department of Energy - Energy ProgramsClosed On: 05/16/2016 12:00 AM
Seeking Novel Refrigeration Architecture for Supermarkets
Department of Energy - Energy ProgramsClosed On: 05/16/2016 12:00 AM
TechMousso
International Assistance Programs - Millennium Challenge CorporationClosed On: 05/22/2016 08:00 PM
SAMHSA Opioid Recovery App Challenge
Department of Health and Human Services - Substance Abuse and Mental Health Services AdministrationClosed On: 05/27/2016 11:59 PM
Design by Biomedical Undergraduate Teams (DEBUT) Challenge 2016
Department of Health and Human Services - National Institutes of HealthClosed On: 05/30/2016 11:59 PM
Pill Image Recognition Challenge
Department of Health and Human Services - National Institutes of HealthClosed On: 05/31/2016 05:00 PM
2016 SBA Growth Accelerator Fund Competition
Small Business AdministrationClosed On: 06/03/2016 11:59 PM
2016 Excellence in AmeriCorps Programming and Service
Corporation for National and Community ServiceClosed On: 06/06/2016 05:00 PM
Chronicling America - Historic American Newspapers Data Challenge
National Endowment for the HumanitiesClosed On: 06/15/2016 05:00 PM
The Blue Economy Challenge
U.S. Agency for International DevelopmentClosed On: 06/30/2016 11:59 PM
Design a Low-Cost Air Flow Sensor for Residential Ducted HVAC Systems
Department of Energy - Energy ProgramsClosed On: 06/30/2016 12:00 AM
Design a Mean Radiant Temperature Sensor for Integration with Building Robotics' Comfy Offering
Department of Energy - Energy ProgramsClosed On: 06/30/2016 12:00 AM
Seeking Accurate and Stable Humidity Sensor Technologies
Department of Energy - Energy ProgramsClosed On: 06/30/2016 12:00 AM
Living Stories Challenge
Department of Defense - National Geospatial Intelligence AgencyClosed On: 07/15/2016 11:00 PM
Geothermal Design Challenge 2016
Department of Energy - Energy ProgramsClosed On: 07/15/2016 12:00 AM
MTConnectStudentApps
Department of DefenseClosed On: 07/15/2016 12:00 PM
2016 CDFI Fund Prize Competition
Department of the TreasuryClosed On: 07/29/2016 05:00 PM
“A Bill You Can Understand” Design and Innovation Challenge
Department of Health and Human ServicesClosed On: 08/10/2016 11:59 PM
Great Lakes Observing System Data Challenge
Department of Commerce - National Oceanic and Atmospheric AdministrationClosed On: 08/15/2016 03:00 PM
Blockchain Challenge
Department of Health and Human ServicesClosed On: 08/19/2016 04:00 PM
Army National Guard CSM Coin Design Challenge
Department of DefenseClosed On: 08/31/2016 11:59 PM
MRC Serves!
Department of Health and Human ServicesClosed On: 09/11/2016 11:00 PM
JUMP Call for Innovation
Department of Energy - Energy ProgramsClosed On: 09/11/2016 11:59 PM
$100,000 for Start a SUD Startup
Department of Health and Human Services - National Institutes of HealthClosed On: 09/16/2016 11:59 PM
Disparate Data Challenge
Department of Defense - National Geospatial Intelligence AgencyClosed On: 09/19/2016 05:00 PM
USPTO Cancer Moonshot Challenge
Department of Commerce - U.S. Patent and Trademark OfficeClosed On: 09/19/2016 05:00 PM
Fishing for Fishermen
Office of Director of National IntelligenceClosed On: 09/19/2016 09:00 PM
Hear and Now - Noise Safety Challenge
Department of LaborClosed On: 09/30/2016 04:00 PM
2016 Campus Rainworks Challenge
Environmental Protection AgencyClosed On: 09/30/2016 12:00 PM
IARPA Multi-View Stereo 3D Mapping Challenge
Office of Director of National Intelligence - Intelligence Advanced Research Project ActivityClosed On: 10/04/2016 09:00 PM
Space Robotics Challenge
National Aeronautics and Space AdministrationClosed On: 10/07/2016 12:00 AM
Medicare Program - Merit Based Incentive Payment System (MIPS) Mobile Challenge-PHASE II
Department of Health and Human Services - Centers for Medicare and Medicaid ServicesClosed On: 10/15/2016 11:59 PM
MCC Open Data Challenge
FDIC Office of Inspector GeneralClosed On: 10/17/2016 05:00 PM
Smart City Air Challenge
Environmental Protection AgencyClosed On: 10/28/2016 04:00 PM
PROOF: The ChemBio Suit Design Challenge
Department of DefenseClosed On: 10/29/2016 12:00 AM
2016 Congressional App Challenge
Legislative Branch - House of RepresentativesClosed On: 11/02/2016 12:00 PM
Domestic Violence Video Challenge
Department of Health and Human ServicesClosed On: 11/03/2016 11:59 PM
The 2016 FDA Naloxone App Competition
Food and Drug AdministrationClosed On: 11/07/2016 11:59 PM
Regulations.gov Data Challenge
Environmental Protection AgencyClosed On: 11/21/2016 11:59 PM
Counter-Unmanned Aerial System (C-UAS) Hard Kill Challenge
Department of DefenseClosed On: 12/02/2016 03:00 PM
Grace Hopper Day Hackathon
General Services AdministrationClosed On: 12/09/2016 03:00 PM
Space Poop Challenge
National Aeronautics and Space AdministrationClosed On: 12/20/2016 12:00 AM
2016 NSA Codebreaker Challenge
National Security AgencyClosed On: 12/31/2016 11:59 PM
Downstream Fish Passage at Tall Dams
Department of the Interior - Bureau of ReclamationClosed On: 2016/05/10 12:00 AM
Preventing Rodent Burrows in Earthen Embankments
Department of the Interior - Bureau of ReclamationClosed On: 2016/10/11 11:59 PM
Consumer Health Data Aggregator Challenge
Department of Health and Human ServicesClosed On: 2016/11/07 02:00 PM
Provider User-Experience Challenge
Department of Health and Human ServicesClosed On: 2016/11/07 02:00 PM