Kiroween 2026 Featured Online Build something wicked and git commit to the darkness. $100,000 in prizes Dec 04, 2026 05:00 PM EST to submit 13562 participants
Global AI Builder’s Challenge Online Build something that uses AI to help people learn, create, or make an everyday task easier. Non-monetary prizes Submissions open soon 219 participants
UB Hacking 2026 University at Buffalo, NY, USA Spend a weekend at UB making something with friends. Into the Hackosmos: You’ve got 24 hours to take an idea, make it come to life this weekend! $3,000 in prizes Nov 7 – 8, 2026 362 participants
UnivaBio ($40,000 in prizes) Online Biology needs builders. UnivaBio brings students worldwide together to build tools that make healthcare smarter, earlier, and more accessible. Non-monetary prizes Winners announced 931 participants
Open Atlas - AI for Social Good Hackathon 2026, presented by Manifest Milpitas, CA, USA Builders, in a room, solving real problems. Ship AI-powered solutions for immigration, healthcare, education, and financial inclusion. $4,500 in prizes Jun 20 – Aug 16, 2026 450 participants
UiPath AgentHack Online Build the AI agents of tomorrow. $50,000 in prizes Winners announced 3997 participants
UB Hacking Fall 2025 Buffalo, NY, USA Pass GO and Let the Hacking Begin! $3,000 in prizes Nov 8 – 9, 2025 416 participants