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Here, members of the public compete to help the U.S. government solve problems big and small. Browse through challenges and submit your ideas for a chance to win.

Water Toxicity Sensor Challenge details
Environmental Protection Agency

Water Toxicity Sensor Challenge

Water Quality Monitoring for the 21st Century: A Sensor to Measure Toxicity

Open Until: 07/26/2021 11:59 PM ET

AI and Networks Advanced Naval Technology Exercise (AINet ANTX) - Networks Prize Challenge details
Department of Defense, Department of the Navy, Naval Information Warfare Systems Command (NAVWAR)

AI and Networks Advanced Naval Technology Exercise (AINet ANTX) - Networks Prize Challenge

Project Overmatch is the Department of Navy (DON) priority initiative to modernize Naval warfighting networks.

Open Until: 07/27/2021 03:00 PM ET

US Navy Challenge: Rapid Design Tool for Advanced Manufacturing external challenge site (opens in new window)
Department of Defense, Naval Undersea Warfare Center, Division Newport (NUWCDIVNPT)

US Navy Challenge: Rapid Design Tool for Advanced Manufacturing

This challenge seeks a parametric design tool in the form of an executable file that will automatically generate the necessary...

Open Until: 07/27/2021 11:59 PM ET

The FDA New Era of Smarter Food Safety Low- or No-Cost Tech-Enabled Traceability Challenge! external challenge site (opens in new window)
Food and Drug Administration (FDA)

The FDA New Era of Smarter Food Safety Low- or No-Cost Tech-Enabled Traceability Challenge!

Your traceability solution could help bend the curve of foodborne illness.

Open Until: 07/30/2021 05:00 PM ET

Deep Space Food Challenge Phase 1 details
NASA

Deep Space Food Challenge Phase 1

Help Feed the Next Generation of Space Explorers!

Open Until: 07/30/2021 06:00 PM ET

See a Bloom, Give it Room Urban Waters Edition – Harmful Algal Bloom Video Challenge external challenge site (opens in new window)
Environmental Protection Agency – Region 7

See a Bloom, Give it Room Urban Waters Edition – Harmful Algal Bloom Video Challenge

Make a video teaching people 1) how to spot harmful algal blooms and 2) how to be safe around them....

Open Until: 08/01/2021 11:59 PM ET

Cable Conductor Manufacturing Prize details
U.S. Department of Energy

Cable Conductor Manufacturing Prize

Help electrify innovation! The three-stage CABLE Conductor Manufacturing Prize offers up to $4.5-million in cash prizes. Learn more!

Open Until: 08/03/2021 05:00 PM ET

NASA Entrepreneur's Challenge external challenge site (opens in new window)
National Aeronautics and Space Administration (NASA)

NASA Entrepreneur's Challenge

To increase participation of entrepreneurial startup companies in its technology portfolio, NASA’s Science Mission Directorate is seeking companies that can...

Open Until: 08/06/2021 05:00 PM ET

NASA TechLeap Prize: Autonomous Observation Challenge 1 details
NASA

NASA TechLeap Prize: Autonomous Observation Challenge 1

Discover integrated, compact precision pointing systems for autonomously detecting, tracking, and collecting data on transient events.

Open Until: 08/11/2021 08:00 PM ET

AI and Networks Advanced Naval Technology Exercise (AINet ANTX) - Artificial Intelligence Prize Challenge details
Department of Defense, Department of the Navy, Naval Information Warfare Systems Command (NAVWAR)

AI and Networks Advanced Naval Technology Exercise (AINet ANTX) - Artificial Intelligence Prize Challenge

Project Overmatch is the Department of Navy (DON) priority initiative to modernize Naval warfighting networks.

Open Until: 08/13/2021 03:00 PM ET

American-Made Geothermal Lithium Extraction Prize details
U.S. Department of Energy

American-Made Geothermal Lithium Extraction Prize

Seeking solutions that de-risk and increase market viability for direct lithium extraction (DLE) from domestic geothermal brines.

Open Until: 09/02/2021 05:00 PM ET

Automated Maintenance of Protection Systems Challenge external challenge site (opens in new window)
Department of the Interior - Bureau of Reclamation

Automated Maintenance of Protection Systems Challenge

Make power systems more reliable by automating maintenance testing of protective relays and associated potential and current transformers.

Open Until: 09/03/2021 11:59 PM ET

US Navy Challenge: Unmanned Surface Vehicle (USV) for Waterside Security external challenge site (opens in new window)
Department of Defense, Naval Undersea Warfare Center, Division Newport (NUWCDIVNPT)

US Navy Challenge: Unmanned Surface Vehicle (USV) for Waterside Security

Design for an expeditionary USV that is modular and attritable

Open Until: 09/13/2021 11:59 PM ET

NASA Challenge Lunar TORCH external challenge site (opens in new window)
National Aeronautics and Space Administration (NASA)

NASA Challenge Lunar TORCH

Help NASA design a mobile lunar heliostat that can be used to support operations at the Artemis Base Camp

Open Until: 09/13/2021 11:59 PM ET

NHLBI Air You Wear Challenge details
National Institute of Health (NIH) - National Heart, Lung & Blood Institute (NHLBI)

NHLBI Air You Wear Challenge

Help outpatients on supplemental oxygen lead fuller lives and win money to develop your solution to improve their oxygen delivery...

Open Until: 09/14/2021 05:00 PM ET

Mapping Patient Journeys in Drug Addiction Treatment details
Department of Health and Human Services, National Institutes of Health, National Institute on Drug Abuse

Mapping Patient Journeys in Drug Addiction Treatment

Mapping the obstacles patients face in getting treatment for drug addiction

Open Until: 09/22/2021 11:59 PM ET

Mobile Standoff Autonomous Indoor Capabilities (MoSAIC) Challenge external challenge site (opens in new window)
Department of Defense - Irregular Warfare Technical Support Directorate (IWTSD)

Mobile Standoff Autonomous Indoor Capabilities (MoSAIC) Challenge

Seeking cutting edge algorithms and robotic platforms for autonomous maneuver in enclosed spaces

Open Until: 09/23/2021 04:59 PM ET

Innovative Community Engagement Strategies to Reduce HIV-related Stigma and Disparities Challenge details
Department of Health & Human Services - Office of Minority Health

Innovative Community Engagement Strategies to Reduce HIV-related Stigma and Disparities Challenge

Engaging Communities to Reduce HIV-Related Stigma and Increase Prevention and Treatment Among Racial and Ethnic Minority People

Open Until: 09/23/2021 11:59 PM ET

Estrategias innovadoras de participación comunitaria para reducir el estigma y las disparidades relacionadas con el VIH external challenge site (opens in new window)
Department of Health & Human Services - Office of Minority Health

Estrategias innovadoras de participación comunitaria para reducir el estigma y las disparidades relacionadas con el VIH

Involucrando a las comunidades para reducir el estigma relacionado con el VIH, y aumentar la prevención y el tratamiento

Open Until: 09/23/2021 11:59 PM ET

DARPA Subterranean (SubT) Challenge external challenge site (opens in new window)
Department of Defense - Defense Advanced Research Projects Agency

DARPA Subterranean (SubT) Challenge

Create breakthrough technologies and capabilities for underground operations.

Open Until: 09/24/2021 11:59 PM ET

Streamflow Forecast Rodeo external challenge site (opens in new window)
Department of the Interior - Bureau of Reclamation

Streamflow Forecast Rodeo

Improving short-term streamflow forecast skill.

Open Until: 09/30/2021 09:00 PM ET

First Responder UAS Triple Challenge 3.1: FastFind - UAS Search Optimized details
National Institute of Standards and Technology (NIST)

First Responder UAS Triple Challenge 3.1: FastFind - UAS Search Optimized

Enhancing first responder search & rescue operations in search of missing persons in a heavily forested area using a UAS...

Open Until: 09/30/2021 09:00 PM ET

2021 SERDP AFFF Challenge details
Department of Defense - Office of the Secretary of Defense (Acquisition & Sustainment)

2021 SERDP AFFF Challenge

PFAS-free Firefighting Foams

Open Until: 09/30/2021 02:00 PM ET

First Responder UAS Triple Challenge 3.3: Shields Up! Securing UAS Navigation and Control details
National Institute of Standards and Technology (NIST)

First Responder UAS Triple Challenge 3.3: Shields Up! Securing UAS Navigation and Control

Improve security on UAS control channels and navigation functions

Open Until: 09/30/2021 09:00 PM ET

First Responder UAS Triple Challenge 3.2: Lifelink - UAS Data Relay details
National Institute of Standards & Technology (NIST)

First Responder UAS Triple Challenge 3.2: Lifelink - UAS Data Relay

Enhancing first responder operations by building a UAS to support broadband in a degraded cellular service area

Open Until: 09/30/2021 09:00 PM ET

Sustainable Communities Web Challenge external challenge site (opens in new window)
Environmental Protection Agency (EPA)

Sustainable Communities Web Challenge

Customize and extend our apps using EPA models with new designs and data to provide sustainability information for communities

Open Until: 10/02/2021 04:00 PM ET

American-Made Solar Prize Round 5 external challenge site (opens in new window)
U.S. Department of Energy

American-Made Solar Prize Round 5

Energize U.S. solar innovation through a series of contests, earning part of $4.6 million in prizes for your novel technology...

Open Until: 10/05/2021 05:00 PM ET

NICHD's Decoding Maternal Morbidity Data Challenge details
National Institutes of Health, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)

NICHD's Decoding Maternal Morbidity Data Challenge

Delivering New Data Solutions to Improve Maternal Health

Open Until: 10/15/2021 05:00 PM ET

Open Data for Good Grand Challenge details
U.S. Census Bureau

Open Data for Good Grand Challenge

Unleashing the value of open data through digital tools for the public

Open Until: 10/18/2021 11:59 PM ET

NASA TechRise Student Challenge details
National Aeronautics and Space Administration (NASA)

NASA TechRise Student Challenge

Design an experiment to test on a suborbital rocket or high-altitude balloon.

Open Until: 11/03/2021 05:00 PM ET

EcoTox TARGET Challenge details
Environmental Protection Agency

EcoTox TARGET Challenge

Develop high quality, low-cost tools that assess global gene expression in common aquatic toxicity test organisms

Open Until: 12/03/2021 11:59 PM ET

I Strengthen My Nation: Artistic Expressions of Resilience to Stand Against Substance Misuse external challenge site (opens in new window)
Department of Health and Human Services, National Institutes of Health, National Institute on Drug Abuse

I Strengthen My Nation: Artistic Expressions of Resilience to Stand Against Substance Misuse

NIDA challenges creative youth to make art that inspires others by demonstrating indigenous resilience to substance misuse.

Open Until: 12/10/2021 11:59 PM ET

I Strengthen My Nation: American Indian and Alaska Native Community Projects Created by Youth to Stand Against Substance Misuse external challenge site (opens in new window)
Department of Health and Human Services, National Institutes of Health, National Institute on Drug Abuse

I Strengthen My Nation: American Indian and Alaska Native Community Projects Created by Youth to Stand Against Substance Misuse

NIDA challenges creative youth to develop ideas for community projects that could decrease substance use and promote resilience.

Open Until: 12/10/2021 11:59 PM ET

Engaging Procurement Ideas to Consider (EPIC) Campaign details
Office of Management and Budget (OMB), Office of Federal Procurement Policy (OFPP)

Engaging Procurement Ideas to Consider (EPIC) Campaign

Help shape plans that support the President’s Management Agenda (PMA) and other key government-wide acquisition priorities and initiatives

Open Until: 12/31/2021 11:59 PM ET

NEI 3-D Retina Organoid Challenge (3-D ROC), Phase III details
Department of Health and Human Services - National Institutes of Health

NEI 3-D Retina Organoid Challenge (3-D ROC), Phase III

Build your vision of the future.

Open Until: 06/01/2022 02:00 PM ET