FIND EVIL! Online AI threats strike in minutes. Build the defender that responds in seconds. $22,000 in prizes Jun 15, 2026 11:45 PM EDT to submit 3530 participants
Reddit Mod Tools and Migrated Apps Hackathon Featured Online Join Reddit to build moderation tools for the Reddit community! $45,000 in prizes May 27, 2026 09:00 PM EDT to submit 2717 participants
Internal Tools Hacks Online Create an application which saves a company time and money, leading to a more efficeint workflow and company operations $CAD 1,000 in prizes Winners announced 185 participants
Agents Assemble - The Healthcare AI Endgame Online Build Interoperable Healthcare Agents at the Intersection of MCP, A2A, and FHIR $25,000 in prizes Winners TBD 4339 participants