Explore Open Hackathons 2026

Open hackathons welcome creators of all backgrounds, skills, and ideas to collaborate freely.
Explore Open hackathons online and in-person
IN-PERSON Community Shaper 2025: Hackathon Beta

Sept. 6, 2025 - Sept. 22, 2025

Ended

About the challenge This design-thinking hackathon takes participants on an end-to-end innovation journey—from ideation and development to prototyping and real-world launch. Through interactive workshops, you’ll …

IN-PERSON CrisisHack

Sept. 6, 2025 - Sept. 7, 2025

Ended

This is the project submission platform for EmP Hackfest Summer 2025 Hackathon, CrisisHack. Participants should have already signed up for the event through our Google …

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beginner · Redmond, Washington, United States
IN-PERSON Catalyst 2025

Sept. 5, 2025 - Sept. 7, 2025

Ended

Ready to turn a wild idea into a real thing in just one weekend? 🚀 CISSA’s hackathon: CATALYST is happening! 🔥 This is our annual …

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beginner · Melbourne, Victoria, Australia
IN-PERSON Houston Hackathon 2025

Sept. 5, 2025 - Sept. 8, 2025

Ended

This is a “civic” hackathon, focused on ideating, designing, and developing both policy-based and tech solutions to some of Houston’s greatest challenges. Project stakeholders will …

ONLINE InnovArt 2026: Art and Technology Hack Day

Sept. 4, 2025 - Jan. 3, 2026

Ended

Website: TBA Discord: https://discord.gg/wcKuBW5CuF Email: TBA Book publication: Your project will be featured in a book in the Binnovative Innovation Book Series. About The Challenge …

ONLINE Hackonomics 2026

Sept. 1, 2025 - March 30, 2026

Ended

About the Challenge Hackonomics™ 2026 allows individuals passionate about finance, economics, and computer science in our community to fuse the aforementioned principles via projects with …

IN-PERSON Harnessing Copernicus Foundation Models to Decode Earth from Space

Sept. 1, 2025 - Sept. 29, 2025

Ended

About the challenge The ThinkingEarth Hackathon at Big Data from Space (BiDS) 2025, invites AI and Earth observation enthusiasts to explore the power of Copernicus-scale …

ONLINE Storyblok x Code and Coffee Hackathon 2025

Sept. 1, 2025 - Sept. 30, 2025

Ended

About the challenge The Storyblok x Code & Coffee Hackathon 2025 is your invitation to a month-long innovation sprint, open to developers around the world, …

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web · Online
ONLINE Global Innovation Challenge in Low-Cost Prosthetics 2025

Aug. 31, 2025 - Oct. 30, 2025

Ended

The Global Innovation Challenge in Low-Cost Prosthetics 2025 is a 100% virtual, student-led hackathon that brings together innovators, engineers, medical students, designers, researchers, and social …

IN-PERSON AI Tool Builders Hackathon – Create Online Tools with AI

Aug. 31, 2025 - Sept. 2, 2025

Ended

✅ 1) About the ChallengeWelcome to the AI Tool Builders Hackathon, where the goal is to create useful online tools powered by AI. This challenge …

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