Kiroween 2026 Online Build something wicked and git commit to the darkness. $100,000 in prizes Dec 04, 2026 05:00 PM EST to submit 9857 participants
Hyperbloom October- UI/UX and Web Design Online - $9,117 in prizes Winners announced 738 participants
InnovateLA x Dual-Use Hackathon Los Angeles, CA, USA 48 hours, 300 innovators, real LA problems — wildfire, the grid, water, the ports, emergency comms — reimagined as tools for national resilience. $2,300 in prizes Oct 16 – 17, 2026 182 participants
The WebMCP Challenge Online 10 days for exploring what’s possible with WebMCP $35,000 in prizes Winners announced 7042 participants
All Things Agentic Hackathon Online Ready, Set, Agent! Build next-generation agents that run in the background, handle the heavy lifting of massive datasets, and automate complex workflows asynchronously. $180,000 in prizes Winners announced 12258 participants
