Explore Eco Hackathons 2026

Join eco-focused hackathons that bring innovators together to tackle climate change, energy efficiency, and green tech solutions.
Explore Eco hackathons online and in-person
IN-PERSON Hack Like W@CC 2026

April 3, 2026 - April 4, 2026

Ended

Hack Like W@CC is Women @ College of Computing Georgia Tech's flagship, annual 24-hour hackathon hoste . This event creates a space for you to …

ONLINE The Climate Change-Makers Challenge: 2026

April 3, 2026 - April 6, 2026

Ended

No coding experience needed! Solutions don't have to be app or website-based! Beginner friendly! About the Challenge: Climate change is among the most urgent issues …

IN-PERSON Builders Day by HackUnion

April 3, 2026 - April 4, 2026

Ended

HackUnion Builders Day is a one‑day community‑driven hackathon designed to bring together passionate student developers, designers, and innovators to build impactful projects, collaborate with peers, …

ONLINE Contrathon '26

March 31, 2026 - April 10, 2026

Ended

Contrathon'26 — Test. Build. Win. Contrathon'26 is organized by Contral AI, the team behind Contral IDE — the first IDE that teaches you while you …

ONLINE Maximally SaaS Sprint: Build in 7 Days

March 31, 2026 - April 6, 2026

Ended

Maximally SaaS Sprint is a 7-day, execution-first build sprint designed for serious builders. This is not a beginner-friendly hackathon. This is not an ideathon. This …

IN-PERSON Hack Day Kanpur

March 30, 2026

Date TBD

Hack Days Kanpur is a high-energy, in-person mini hackathon designed to bring together student builders, innovators, and problem-solvers from across Kanpur and nearby regions. Powered …

IN-PERSON Kifiya Inspire 3.0

March 28, 2026

Date TBD

National Hackathon Challenge Building Intelligent Financial Infrastructure: AI-Driven eKYC, Digital Identity, SSO & Card-Based Trust Systems Domain: Financial Infrastructure | AI | Digital Identity | …

IN-PERSON WiCS x Opportunity Hack: Spring 2026 Hackathon

March 28, 2026 - March 29, 2026

Ended

About the challenge Join Women in Computer Science and Opportunity Hack in solving real-world technology problems! We present two different problem statements from two non-profit …

IN-PERSON Richmond Civic Hackathon

March 27, 2026 - March 28, 2026

Ended

The Richmond Civic Hackathon brings together technologists, designers, artists, students, and community leaders to build solutions for real challenges facing the City of Richmond. This …

IN-PERSON ElectricSEA Art+Tech Hackathon (Seattle WA)

March 26, 2026 - March 28, 2026

Ended

Electric SEA is an extended weekend event optimized for hands-on learning, knowledge sharing and collaboration here in Seattle. We will take over multiple floors of …

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