Open Source conferences in Seattle 2026 / 2027

Conferences ✕ North America ✕ United States ✕ California ✕ Seattle ✕ Open Source ✕
Asia 18
Africa 0
Europe 36
North America 22
South America 1
Oceania 0
Online 5
CA Canada 1
US United States 21

Best Open Source conferences in Seattle 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.

Online Open Source conferences accessible from Seattle:

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Codegarden 2026

Open Source conference in Copenhagen, Denmark, Europe and Online

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Open Source Days

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

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Open Source Observability Day 2026

Open Source conference Online

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OSA CON

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

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Ai Coding Summit (New York Edition)

Open Source conference in New York, New York, United States, North America and Online