IEEE ClimateChain Global Hackathon Online AI and BLOCKCHAIN Innovate Today for a Sustainable Tomorrow. $3,000 in prizes Winners TBD 1211 participants
Build, Ship, Shape: Amazon Developer Hackathon Online Build across Amazon Devices and shape what's next. $138,000 in prizes Winners TBD 35458 participants
The Rice University Urban Sustainability Hackathon Online World Cup 2026 HACK $15,000 in prizes Winners announced 464 participants
Y-Claude Builder Club Hackathon Houston, TX, USA Claude something people want in this sprint-style half day hackathon centered on solving real-world business problems using Claude AI. $300 in prizes Apr 4, 2026 38 participants