Kiroween 2026 Online Build something wicked and git commit to the darkness. $100,000 in prizes Dec 04, 2026 05:00 PM EST to submit 10090 participants
CSC Winter Sparkathon Online Build technology that brings people together or helps people support one another $100 in prizes Nov 30, 2026 03:00 AM EST to submit 123 participants
CSC Back-to-School Hackathon Online Build an app, tool, website, or gadget that helps students, teachers, or schools solve a real school-life problem $400 in prizes Winners announced 552 participants
