Open Source meetups in California 2026 / 2027

Meetups ✕ North America ✕ United States ✕ California ✕ Open Source ✕
Asia 0
Africa 0
Europe 4
North America 1
South America 0
Oceania 0
Online 0
Apple 1
Artificial Intelligence (AI) 13
Big Data 11
Data / Database 11
Data Science 11
Flutter 1
iOS / Swift 1
IT 15
Large Language Model (LLM) 11
Machine Learning (ML) 11
Mobile 1
Ruby 1
Ruby on Rails 1
Startup 3
Tech 15
US United States 1

Best Open Source meetups 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.

Open Source conferences in California:

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KubeCon + CloudNativeCon NA 2026

Open Source conference in Los Angeles, California, United States, North America

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OSA CON

Open Source conference in San Francisco, California, United States, North America and Online

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FOSS4G NA 2026

Open Source conference in Sacramento, California, United States, North America

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Gerrit User Summit

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

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Open Source Forum

Open Source conference in Los Angeles, California, United States, North America

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The Linux Foundation Member Summit

Open Source conference in Half Moon Bay, California, United States, North America

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SCaLE

Open Source conference in Pasadena, California, United States, North America

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AstriCon 2027

Open Source conference in Pasadena, California, United States, North America

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PlanetNix

Open Source conference in Pasadena, California, United States, North America

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PyTorch Conference 2027

Open Source conference in San Jose, California, United States, North America