Arbiter Hacks V1 Online Open innovation for all, submit projects that have potential impact and usability! $7,800 in prizes Dec 21, 2026 12:00 AM EST to submit 1074 participants
AI Agents for Founders Challenge — HETIC 2026 Online Create AI agents that give founders back their most valuable asset: time to think. €1,000 in prizes Dec 18, 2026 05:00 PM EST to submit 327 participants
PayPal AI Hackathon Online Build what’s next with PayPal and AI $67,500 in prizes Nov 12, 2026 03:00 PM EST to submit 35708 participants
Nebius x NVIDIA Global AI Hackathon Online Build the next frontier of AI on open infrastructure $50,000 in prizes Winners TBD 29870 participants
Build With AI: Basics Online Learn AI best practices by creating a solid proof-of-concept for your dream project. $2,500 in prizes Winners announced 5095 participants
Build, Ship, Shape: Amazon Developer Hackathon Online Build across Amazon Devices and shape what's next. $138,000 in prizes Winners TBD 35458 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