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! $146,770 in prizes Submissions open soon 1040 participants
Arbiter Hacks V1 Online Open innovation for all, submit projects that have potential impact and usability! $7,800 in prizes Dec 21, 2026 12:00 AM EST to submit 1165 participants
Build, Ship, Shape: Amazon Developer Hackathon Online Build across Amazon Devices and shape what's next. $138,000 in prizes Winners TBD 35452 participants
ForgeHacks Online 2026 Online A student hackathon focused on Forging AI solutions that solves real-world challenges. $2,647,335 in prizes Winners announced 3307 participants
Slack Agent Builder Challenge Online Whether it's your first agent or your fiftieth - Slack is where it ships. $42,000 in prizes Winners announced 4404 participants
