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 3460 participants
Build with MeDo Hackathon Featured Online Build creative applications with MeDo, no coding required. Push the boundaries of what you can create. $50,000 in prizes May 20, 2026 09:00 AM EDT to submit 8152 participants
Claude Builder Hackathon, UG Accra, Ghana Build AI-powered solutions for social impact using Anthropic's tools. $198 in prizes Mar 28 – 29, 2026 71 participants