EcoHack Online Create sustainable solutions Non-monetary prizes Apr 23, 2026 05:00 PM EDT to submit 240 participants
EcoHacks Online Build anything using STEM that relates to the environment. Your project can be a program, model, simulation, analysis, or any creative technical idea. $500 in prizes Winners TBD 198 participants
PantherHack 2026 Online Princeton Day School's Sixth Hackathon $548 in prizes Winners announced 77 participants
PeddieHacks 2025 Online A 48-hour virtual hackathon - by students, for students. $950 in prizes Winners announced 235 participants
