Caiyai has a new address

Our new official website is https://www.caiyai.com. Please bookmark it in your browser. You can continue using this site during the transition.

Visit www.caiyai.com
Featured

Hackathons

Every event, every theme, every corner of the world.

2,644 results
MNRE Startup Grand Challenge
Open for registration
$1M
Online·Online
Ministry of New and Renewable EnergyMinistry of New and Renewable Energy

MNRE Startup Grand Challenge

Ministry of New and Renewable Energy invites Startups and innovators to join the journey towards Sustainable Energy future.

AI & MLClimate & SustainabilityAR / VR
Jul 6, 202635
First Responder UAS Endurance Challenge
Open for registration
$552K
Online·Online
NIST PSCRNIST PSCR

First Responder UAS Endurance Challenge

Accept this Challenge to expand current drone capabilities to support search-and-rescue operations and other public safety missions.

AR / VR
Jul 6, 202650
Cost-Effective Rainfall Monitoring
Open for registration
$250K
Online·Online
PUB: Singapore's National Water AgencyPUB: Singapore's National Water Agency

Cost-Effective Rainfall Monitoring

How might we deploy a cost-effective solution to greatly increase the spatial coverage of rainfall monitoring?

AI & MLAR / VR
Jul 6, 202611
American Heart Association / Hitachi / BurstIQ COVID-19 Data Challenge
Open for registration
$45K
Online·Online
American Heart AssociationAmerican Heart Association

American Heart Association / Hitachi / BurstIQ COVID-19 Data Challenge

Examine the relationships between COVID-19, other health conditions, health disparities and/or social determinants of health.

Health & BioSocial ImpactAR / VR
Jul 6, 202634
Low-Cost Chlorine Monitoring for Rural Piped Water Systems
Open for registration
$20K
Online·Online
World VisionWorld Vision

Low-Cost Chlorine Monitoring for Rural Piped Water Systems

Want to use your technical skills to impact millions? Design a much cheaper method to monitor the concentration of free residual chlorine.

Social Impact
Jul 6, 202635
Circular Plastics Challenge
Open for registration
$14K
Online·Online
Net ImpactNet Impact

Circular Plastics Challenge

Join to propose industry-shifting ideas to keep plastics in the economy and out of the environment.

AR / VR
Jul 6, 202647
Affordable Tools to Find and Mark Underwater Explosive Ordnance
Open for registration
$20K
Online·Online
UNDPUNDP

Affordable Tools to Find and Mark Underwater Explosive Ordnance

Detect and geo-mark underwater ordnance in up to 30 m of water for under US$5,000. Device should fit in a boat or tow behind it.

ProductivityAR / VR
Jul 6, 202623
Detect Distracted Drivers
Open for registration
€15K
Online·Online
InoCrowdInoCrowd

Detect Distracted Drivers

Reduce road accidents by detecting mobile phone use.

Jul 6, 20264
Wrangler Innovation
Open for registration
€5,000
Online·Online
eYeKaeYeKa

Wrangler Innovation

Write the next chapter for Wrangler!

Jul 6, 202614
UNOPS Climate Resistant Infrastructure Challenge
Open for registration
TBA
Online·Online
United Nations Office for Project ServicesUnited Nations Office for Project Services

UNOPS Climate Resistant Infrastructure Challenge

Calling on solutions for building infrastructure to help communities prepare for, and adapt to, the challenges posed by climate change.

Climate & SustainabilityAR / VR
Jul 6, 202653
Redditor Needed!
Open for registration
TBA
Online·Online
HeroXHeroX

Redditor Needed!

We're looking for an experienced Reddit marketer to help HeroX contribute to the front page of the internet.

AR / VR
Jul 6, 202641
Hello Oman x Russia ICPC Bootcamp
Open for registration
TBA
Online·Online
Harbour.Space UniversityHarbour.Space University

Hello Oman x Russia ICPC Bootcamp

Making competitive programming accessible to everyone!

Jul 6, 202619

Loading…