Cosmo Hacks 2026 Online A free online student hackathon. Build around Tech for Student or Community Life from December 19, 2026 to January 18, 2027. Beginners welcome! $146,700 in prizes Submissions open soon 704 participants
DataHacks 2026 San Diego, CA, USA DS3's Annual Data Hackathon $31,793 in prizes Apr 18 – 19, 2026 355 participants
