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 Code Nova

Dec. 13, 2025 - Dec. 16, 2025

Ended

Main Description Type Mini Hackathon is a quick, high-energy building sprint focused on GitHub, open-source collaboration, and GitHub Copilot. Participants create fun, impactful projects while …

ONLINE Global Innovation Build Challenge V1

Dec. 13, 2025 - Feb. 28, 2026

Ended

Main Description Global Innovation Build Challenge V1 is a student-led, non-commercial online hackathon exclusively for students worldwide. All participants must currently hold valid student status …

ONLINE December AI Challenge

Dec. 13, 2025 - Jan. 5, 2026

Ended

Welcome to the December AI Challenge! Are you a middle or high school student (Grades 6-12) passionate about technology, problem-solving, and the future of artificial …

IN-PERSON Hacker,s Meetup

Dec. 12, 2025 - Dec. 15, 2025

Ended

Main Description Type Mini Hackathon is a quick, high-energy building sprint focused on GitHub, open-source collaboration, and GitHub Copilot. Participants create fun, impactful projects while …

IN-PERSON Code Collab

Dec. 12, 2025 - Dec. 14, 2025

Ended

Main Description Type Mini Hackathon is a quick, high-energy building sprint focused on GitHub, open-source collaboration, and GitHub Copilot. Participants create fun, impactful projects while …

ONLINE Hack with MLH and DigitalOcean: NYC

Dec. 12, 2025 - Dec. 13, 2025

Ended

​Major League Hacking and DigitalOcean are teaming up to host an in-person, AI Hackathon! Whether you’re a seasoned developer or curious to explore coding for …

IN-PERSON bitsxlaMarató 2025

Dec. 12, 2025 - Dec. 14, 2025

Ended

This year, bitsxlaMarató, the hackathon for contributing to La Marató de TV3, a public Catalan charity effort, is organised by the Barcelona School of Informatics …

IN-PERSON Dev Meet

Dec. 12, 2025 - Dec. 14, 2025

Ended

Main Description Type Mini Hackathon is a quick, high-energy building sprint focused on GitHub, open-source collaboration, and GitHub Copilot. Participants create fun, impactful projects while …

ONLINE PeerBridge Mental Health Hacks

Dec. 11, 2025 - Dec. 24, 2025

Ended

To be elligble for prizes, you must join the Discord where you will get announcements, workshops, and updatesPeerBridge Mental Health Hacks 2025 — Revolutionizing Mental …

ONLINE Play Everywhere: The Build with Snap Games Lensathon

Dec. 10, 2025 - Feb. 3, 2026

Ended

About the challenge Build a game on the most fun messaging platform: Snapchat. You’ve built games for mobile, and now bring them to hundreds of …

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