Horror Hacks Online A beginner friendly hackathon centered all about Halloween! $300 in prizes Winners announced 322 participants
BUILD Halloween Hacks Online Join the BUILD Halloween Hacks this October 1-October 31, 2025 for a spooky community hackathon! $9,717 in prizes Winners announced 224 participants
Maximally Hacktober: A Month-Long Hackathon for the Builders Who Won’t Quit Online 31 days. One idea. Build slow, build loud, finish strong. ₹ 169,000 in prizes Winners announced 256 participants
