Qloo Agentic Hackathon Online Agents, but with taste. $25,000 in prizes Oct 30, 2026 11:45 PM EDT to submit 2898 participants
Cal Hacks 13.0 San Francisco, CA, USA This year's Cal Hacks is presented by Anthropic, Annapurna Labs, Spacetime, and Hyphenate! Together we'll assemble in SF for a weekend of hacking, friendship, and crazy ideas. $159,822 in prizes Oct 23 – 25, 2026 1918 participants
Shower Hacks San Francisco, California, USA The winner gets to take a shower $9,550 in prizes Sep 26, 2026 123 participants
