PayPal AI Hackathon Online Build what’s next with PayPal and AI $67,500 in prizes Winners TBD 35824 participants
Build, Ship, Shape: Amazon Developer Hackathon Online Build across Amazon Devices and shape what's next. $138,000 in prizes Winners TBD 35452 participants
GreenHack By Grevoro Bengaluru, India Code for Impact. Design for Sustainability. ₹ 15,000 in prizes May 7 – 29, 2026 139 participants
Reddit and Kiro: Community Games Challenge Online Reddit and Kiro are hosting a virtual hackathon for the best community game! $45,000 in prizes Winners announced 1924 participants
Maximally PromptStorm Online 24 hours to bend AI with pure prompts. Chaos, speed, and creativity collide. ₹ 169,000 in prizes Winners announced 196 participants
Google Cloud x MLB(TM) Hackathon – Building with Gemini Models Online Build the future of baseball using Google Cloud. $98,700 in prizes Winners announced 7583 participants
