Build Beyond Hackathon Online Where Builders Go Beyond. $5,000 in prizes Submissions open soon 63 participants
MEGA Hackathon 2027 Online A collaborative hackathon integrating computer science, STEM, economics, and infrastructure — aimed at advancing human development. Non-monetary prizes Submissions open soon 10 participants
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 670 participants
Syntax Summit Online Invent. Compile. Inspire. Non-monetary prizes Jan 14, 2027 07:00 AM EST to submit 406 participants
United Hacks V8 Online Showcase both your technical and presenting abilities and collaborate with like minded individuals to make and pitch a project during United Hacks V8. $13,700 in prizes Submissions open soon 348 participants
Codegeist 2026: Build with context. Ship with confidence. Online Build on Forge, extend Atlassian products, and turn connected context into powerful new apps for teams — win your share of $120K. $120,000 in prizes Dec 22, 2026 03:00 PM EST to submit 1321 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 819 participants
Global AI Builder’s Challenge Online Build something that uses AI to help people learn, create, or make an everyday task easier. Non-monetary prizes Submissions open soon 101 participants
OBSCURA: Satellite AI Research Challenge Online Observing Blocked Satellite Columns Using Remote-sensing and Auxiliary data $50 in prizes Submissions open soon 43 participants
HTCJ × PROOF Aviation Futures Challenge Boston, Massachusetts, USA Build the Future of Flight. Then Prove It. Non-monetary prizes Jun 24 – Oct 27, 2026 133 participants
Life After Code Online The path to production at the speed of imagination $45,000 in prizes Winners TBD 3323 participants
HACK47: OFFGRID Online A month to do great work, surrounded by great builders. Non-monetary prizes Winners TBD 266 participants