HackPrinceton Fall '26 Princeton, NJ, USA Collaborate and build out brilliant, innovative, and impactful ideas $10,312 in prizes Nov 13 – 15, 2026 828 participants
PayPal AI Hackathon Online Build what’s next with PayPal and AI $67,500 in prizes Winners TBD 35826 participants
1st Nature's Blueprint Ideathon 2026 !! Online Can you solve problems, undergo rigorous peer review along with some bonus gift sessions by the mentor ? This Ideathon is for you !! But Make Sure You SMILE Non-monetary prizes Winners announced 106 participants
forinovation Online you can build anything that you want Non-monetary prizes Winners announced 115 participants
GNEC Hackathon 2026 Spring - Compete For UN-Affiliated/NGO Internships & Prizes Online Create projects benefiting UNSDGs for a chance to work along UN affiliated NGOs! $700 in prizes Winners announced 836 participants
RWA Demo Day Hồng Kông RWA Demo Day Project Recruitment Officially Launched $10,000 in prizes Mar 10 – 31, 2026 43 participants
comma_hack (six) San Diego, CA, USA Hacking the future of openpilot—cars, bodies, and comma fours $5,000 in prizes Mar 6 – 27, 2026 78 participants
World’s Largest Hackathon presented by Bolt Online Build with AI for a shot at some of the $1M+ in prizes. $1,037,500 in prizes Winners announced 129550 participants
Winter MelonJam 2024 Online An inclusive winter Game Jam targeted towards both beginner and advanced game developers. $3,124 in prizes Winners announced 97 participants