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 12424 participants
UCSC AI Hackathon Santa Clara, CA, USA 24 hours to build agentic, local, and physical AI. An official SF Tech Week event. $39,085 in prizes Oct 11, 2026 227 participants