Open Source Hackathons in 2026
Explore 50 open source hackathons in 2026. Hackathons contributing to open source projects, developer tools, and community-driven software.
Hackathons
50
Avg Prize
$6K
Organizers
67
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
ONE HACK: 8 Hours Web3 Hackathon
In Person
Aug 14 – Sep 13, 2026Hackers CultDelhi, India
Blockchain
Artificial Intelligence
Open Source
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