CommuniHacks Kitchener, Canada A 24-hour hackathon for solving community problems $CAD 6,000 in prizes Nov 7 – 8, 2026 74 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. $204,408 in prizes Oct 23 – 25, 2026 1918 participants
MTC x Grammarly: Agents in Action Berkeley, CA, USA Build your next move. Create AI-powered experiences with Superhuman Go or Grammarly agents. Non-monetary prizes Oct 16, 2026 80 participants