Open Source Hackathons in 2026
Explore 285 open source hackathons in 2026. Hackathons contributing to open source projects, developer tools, and community-driven software.
Hackathons
43
Avg Prize
$32K
Organizers
47
Tuesday, October 6, 2026
Ongoing
NSCC Open Hackathon
Hybrid
Sep 29 – Oct 9, 2026Singapore, Singapore
Open Source
Innovation
Community
Ongoing
Open Source Sprint - Hyderabad's Largest Open Source Hackathon
In Person
Sep 21 – Oct 14, 2026Unifesto Private LimitedHyderabad, India
Open Source
Cloud
Edtech
Ongoing
HACK47: OFFGRID
Online
Sep 15 – Oct 15, 2026Hack47Online
Artificial Intelligence
Open Source
Web Development
Ongoing
CodeSprint by Elite Coders
Online
Sep 25 – Oct 15, 2026Elite CodersOnline$360
Open Source
Artificial Intelligence
Ongoing
Hacktoberfest × BFIT 2026
Hybrid
Oct 5 – Oct 16, 2026BFIT Group of InstitutionsDehradun, India
Undergraduate
Postgraduate
Engineering Students
Ongoing
Build 2026 x ByteAsk (YC F26): Open-Source Challenge | $30,000 in Rewards
Online
Sep 27 – Oct 23, 2026HackyardOnline$240
Open Source
Artificial Intelligence
Edtech
Ongoing
Build, Ship, Shape: Amazon Developer Hackathon
Online
Aug 31 – Oct 23, 2026AmazonOnline$138K
Cloud
Artificial Intelligence
Open Source
Ongoing
Nebius x NVIDIA Global AI Hackathon
Online
Aug 26 – Oct 30, 2026NebiusOnline$50K
Artificial Intelligence
Cloud
Open Source
Ongoing
Codesprint 2026
Hybrid
Sep 23 – Oct 30, 2026Elite CodersDehradun, India$360
Open Source
Cloud
Edtech
Ongoing
Open Source Impact
Online
Sep 30 – Oct 31, 2026Student OrganizationOnline
Beginner Friendly
Open Ended
Web Development
Ongoing
Anna AI App Builder Program
Online
Aug 1 – Oct 31, 2026Anna AIOnline$6K
Artificial Intelligence
Open Source
Ongoing
Speed Demon 2026 — Every Millisecond Is a Soul: Five Tracks, One Machine
Online
Oct 1 – Oct 31, 2026RaptorsOnline
Innovation
Community
DevOps
Ongoing
Google - The Gemma 4 Developer Agent Paper Track
Online
Sep 23 – Nov 12, 2026Google DeepMindOnline$35K
Artificial Intelligence
Open Source
Research
Ongoing
DevHack 2026
In Person
Sep 21 – Nov 14, 2026Sahyadri College of Engineering & Management (SCEM), MangaluruMangaluru, India$1K
Social Impact
Open Source
Cloud
Thursday, October 8, 2026
Upcoming
XploitX 2.0 Beta – CTF
In Person
Oct 8 – Oct 9, 2026Department of Cyber Security, Prathyusha Engineering CollegePrathyusha Engineering College, India$100K
Cybersecurity
Artificial Intelligence
Open Source
Upcoming
Recursive
In Person
Oct 8, 2026Panihati, India
Web Development
Artificial Intelligence
Machine Learning
