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 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 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 …

ONLINE Sky’s the Limit - Cloud9 x JetBrains Hackathon

Dec. 9, 2025 - Feb. 3, 2026

Ended

Welcome to Sky’s the Limit - Cloud9 x JetBrains Hackathon Cloud9 is bringing its competitive spirit from the arena to the dev world—with a global …

ONLINE RAISE-26

Dec. 9, 2025 - April 17, 2026

Open

About the challenge RAISE-26, the world’s strongest AI-NLP informatics competition, invites undergraduate and graduate students from all disciplines to explore one of the most urgent …

ONLINE Build your Flutter Butler with Serverpod

Dec. 9, 2025 - Jan. 30, 2026

Ended

About the challenge We’re celebrating the release of Serverpod 3 with a global hackathon. Join developers from around the world to create your own digital …

ONLINE Design the world's most cheapest 3D scanner

Dec. 9, 2025 - Jan. 9, 2026

Ended

About the Challenge This hackathon invites innovators to design a fully functional and ultra-low-cost 3D laser scanner. The challenge is to build a prototype that …

ONLINE CodeFest Hackathon 2025 SubmissionPortal | [email protected]

Dec. 8, 2025 - Dec. 16, 2025

Ended

Register at codefesthack2025.vercel.appTop Hacks @ FIU — Where Innovation Empowers Everyone Hosted by CODE CRUNCH, ColorStack at FIU, and CAHSI at FIU, this fully virtual …

IN-PERSON ety.ai Moonshot Hackathon

Dec. 6, 2025 - Dec. 22, 2025

Ended

This is not just a hackathon — it’s a moonshot. The ety.ai Moonshot Hackathon challenges developers, creatives, and builders to reimagine how we interact with …

ONLINE ImpactX 2025

Dec. 5, 2025 - Dec. 7, 2025

Ended

What is ImpactX? ImpactX will be a virtual hackathon hosted by Code4Hope, a non-profit committed to empowering young innovators to solve global challenges using technology. …

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