Open for registration
$2MOnline·Online
U.S. Army xTech
xTech|Kinetic Reach
The U.S. Army is seeking sustainment solutions from small and large businesses.
AI & MLClimate & SustainabilityRobotics & IoT
Jun 5, 20260
Featured
Hackathons
Every event, every theme, every corner of the world.
2,644 results
Ended
$5MOnline·Online
Holy Grail Challenge
Holy Grail "a cup that overflows" 1 Billion+ Portable Personal Air to Water machines rolled out in 10 - 25 years
AI & MLAR / VR
Jun 28, 2026531
Open for registration
$52KOnline·Online
CrunchDAO
Predict Cross-sectional Equity Returns
Sponsor: Crunch Capital; Deadline: 31 Dec 2026; Registration deadline: 31 Dec 2026; Tags: supervised, tabular, timeseries, forecasting, measurable, regression, finance
AI & MLFintechOpen Source
Jun 28, 20260
Ended
$15MOnline·Online
U.S. Department of Education
Connecting Talent to Opportunity Challenge
Help strengthen the connections between learners, educators, training providers, and employers by fostering the development of integrated Talent Marketplaces.
AI & MLEducationAR / VR
Jun 28, 20260
Ended
$7MOnline·Online
National Institutes of Health (NIH)
NIH Complement Animal Research in Experimentation NAMs Reduction to Practice Challenge
Develop human-based new approach methodologies (NAMs) – including lab-based human cell systems, computer models, and biochemical assays.
Health & BioAR / VR
Jun 28, 20260
Ended
$3MOnline·Online
Administration for Community Living (ACL)
ACL Caregiver AI Prize Challenge
Help family caregivers and the caregiving industry improve care quality and reduce burden through artificial intelligence (AI).
AI & MLRobotics & IoTAR / VR
Jun 28, 20260
Ended
$2MOnline·Online
Office of the Assistant Secretary for Transportation Policy, U.S. Department of Transportation
DOT Bots Challenge
Submit your ideas to improve transportation safety for workers and travelers with robotics.
Robotics & IoTAR / VR
Jun 28, 20260
Ended
$612KOnline·Online
Administration for Community Living
ACL Cultivating Connected Communities Challenge
Help expand the impact of community gardens.
Social ImpactAR / VR
Jun 28, 20260
Ended
$550KOnline·Online
Bureau of Reclamation
Halt the Hitchhiker: Invasive Species Challenge
Pitch your innovative ideas to stop boats from transporting invasive species.
Robotics & IoTAR / VR
Jun 28, 20260
Ended
$85KOnline·Online
U.S. Navy / Strategic Environmental Research and Development Program / Environmental Security Technology Certification Program
Wildfire Safety Equipment Prize Challenge
Help improve safety gear for wildland firefighters.
Robotics & IoTAR / VR
Jun 28, 20260
Ended
$85KOnline·Online
Strategic Environmental Research and Development Program
3D Surface Fuels & Vegetation Modeling Prize Challenge
Create 3D maps to protect complex landscapes and military land from wildfires.
AR / VR
Jun 28, 20260
Ended
$1,700Online·Online
LifeGenIP Challenge - Unlearnable Videos against Diffusion-based Customization @ ECCV 2026
Organizer: lifegenip_workshop; 122 submissions; Design protections that perturb video clips so that diffusion-based video customization (I2V and LoRA tuning) fails to reproduce the...
AI & MLEducationAR / VR
Jun 21, 202655
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