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 10852 participants
hackPHS 2026 Princeton, NJ, USA hackPHS 2026 is one of the entire world's largest high school hosted hackathons, hosted at Princeton High School in Princeton, NJ. Our theme this year is "Into the Skies" :) $1,050 in prizes Oct 10 – 11, 2026 379 participants