Open Source hackathons in California 2026 / 2027

Hackathons ✕ North America ✕ United States ✕ California ✕ Open Source ✕
Asia 0
Africa 0
Europe 0
North America 2
South America 0
Oceania 1
Online 1
Artificial Intelligence (AI) 2
Big Data 2
Cloud 1
Data / Database 2
Data Science 2
IT 2
Large Language Model (LLM) 2
Machine Learning (ML) 2
Microsoft 1
Open Source 1
Tech 2
MX Mexico 1
US United States 1

Best Open Source hackathons in California 2026 / 2027

Best conference
The Principal Dev – Masterclass for Tech Leads

The Principal Dev – Masterclass for Tech Leads

Certification masterclass for experienced software engineers.

Best conference
Clean Architecture Masterclass

Clean Architecture Masterclass

Certification masterclass for experienced Java developers.

ends in 18 days
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Stranger Builds: Halloween AI Hackathon San Francisco

Open Source hackathon in San Francisco, California, United States, North America