Kiroween 2026 Featured Online Build something wicked and git commit to the darkness. $100,000 in prizes Dec 04, 2026 05:00 PM EST to submit 11725 participants
Google Cloud Rapid Agent Hackathon Online Building Agents for Real-World Challenges $60,000 in prizes Winners announced 14428 participants
Multimodal Frontier Hackathon San Francisco, CA, USA We’ve stacked real infra and real AI so your hack ships as a product, not a slide. In one sprint, build agents, copilots, and autonomous systems that actually work end to end. $20,000 in prizes Mar 28, 2026 137 participants