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 579 participants
The CAD Challenge 2026 Berkeley, CA, USA Put your 3D design skills to the test in our CAD hackathon! $750 in prizes Sep 11 – 13, 2026 120 participants