Open Source Hackathons

Explore 39 open source hackathons. Hackathons contributing to open source projects, developer tools, and community-driven software.

Hackathons

36

Avg Prize

$20K

Organizers

30

Sunday, September 13, 2026

Ongoing

Snowflake CoCo CLI Hackathon - GCC Edition

Online
Jun 15 – Sep 30, 2026Online
Cloud
Open Source
Web Development
Ongoing

Morrow 1.0

Online
Jul 28 – Sep 17, 2026Makers Need More (MnM)Online
Artificial Intelligence
Open Source
Cloud
Ongoing

GitHub Repo Value Check

Online
Aug 14 – Sep 20, 2026Online
Open Source
Web Development
Innovation
Ongoing

Nebius x NVIDIA Global AI Hackathon

Online
Aug 26 – Oct 30, 2026NebiusOnline$50K
Artificial Intelligence
Cloud
Open Source
Ongoing

BuildForge Hackathon

Online
Aug 29 – Sep 20, 2026invoqeOnline
Artificial Intelligence
Edtech
Open Source
Ongoing

Global Mesh AI & Swarm Robotics Challenge 2026: Build Open Source Edge Systems

Online
Aug 31 – Sep 29, 2026Vidya Sanskar Public schoolOnline$222
IoT
Open Source
Artificial Intelligence
Ongoing

NCSA/PSC Open Hackathon

Online
Sep 8 – Sep 17, 2026Online
Open Source
Innovation
Research

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Past hackathons

Recently ended — many run again.

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