PayPal AI Hackathon Featured Online Build what’s next with PayPal and AI $67,500 in prizes Nov 12, 2026 03:00 PM EST to submit 31360 participants
Neighborhood Hacks Online Create a project that supports your local community $57,866 in prizes Winners announced 645 participants
EurekaDev 2026 Online A 5-week global innovation challenge blending science fairs and hackathons. Research or code your way to innovation across multiple STEM tracks! Code, research and win prizes! Non-monetary prizes Winners announced 580 participants
OneAquaHealth IEEE Global Hackathon Online Healthy Waters Healthy Ecosystems.Healthy Communities $3,500 in prizes Winners announced 1358 participants
LexHack 2026 Online Empowering global student builders to pioneer AI solutions for legal tech, automated law, and AI safety. $74,248 in prizes Winners announced 914 participants