Explore Eco Hackathons 2025

Join eco-focused hackathons that bring innovators together to tackle climate change, energy efficiency, and green tech solutions.
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ONLINE CODE CRUNCH 305 Hackathon | Edition FALL 2025

Sept. 20, 2025 - Sept. 22, 2025

Ended

Welcome to the Code Crunch 305 Hackathon | Edition Fall 2025! Join the HACKATHON SERVER: CODECRUNCH.CS.FIU.EDU This hybrid hackathon is designed to ignite creativity and …

IN-PERSON MiniMax 2025 AI Hackathon in Hong Kong

Aug. 28, 2025 - Sept. 12, 2025

Ended

About the challenge MiniMax 2025 AI Hackathon is the first open-to-all AI hackathon in Hong Kong, welcoming anyone with an interest or passion for the …

IN-PERSON Recess Hacks 5.0

Aug. 23, 2025 - Aug. 24, 2025

Ended

About the Challenge Ready to sharpen your coding skills while having fun and winning lots of prizes? Recess Hacks is excited to present our 5th …

ONLINE PeddieHacks 2025

Aug. 22, 2025 - Aug. 24, 2025

Ended

PeddieHacks is a 48 hour online hackathon hosted by the Peddie School Computer Science Club in Hightstown, New Jersey. It is open to all high …

ONLINE Hackhub by Sparkhub 2025

Aug. 7, 2025 - Aug. 10, 2025

Ended

About the challenge Hackathon Challenge: Code for Change In a world facing deep social and economic divides, how can we harness the power of technology …

ONLINE Maximally Startup Makeathon

July 1, 2025 - July 6, 2025

Ended

🚀 Maximally Startup Makeathon 2025July 1–7 | India’s Boldest Teen Startup Challenge Maximally Startup Makeathon is a 7-day sprint where high schoolers from across India …

IN-PERSON Ghana AI Hackathon Presented by Bridge Labs

June 30, 2025 - July 20, 2025

Ended

Event Overview The Ghana AI Hackathon, set for July 2025, is an exciting opportunity for developers to create innovative AI solutions that tackle real-world challenges …

ONLINE AI Bias Bounty Hackathon

June 28, 2025 - July 3, 2025

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⚠️ IMPORTANT: You can participate as an individual or form a team of 2-4 members. Still assembling your team? Start by registering here on Devpost. …

ONLINE Proof of Concept

June 26, 2025 - Aug. 11, 2025

Ended

Join Proof of Concept, a 6-week virtual startup competition to create mobile apps that prove anything online, securely and undeniably. From verifying your gaming skills …

IN-PERSON Speaking with Machines

June 21, 2025

Ended

One rule - don't build UIs. ​Date: Saturday June 21, 2025 ​Location: Completely virtual - join from anywhere ​Timing: 8 hour hackathon with kick off …

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design · machine learning · web · San Francisco, California, United States

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