Open Source conferences in Europe 2026 / 2027

Conferences ✕ Europe ✕ Open Source ✕
Asia 19
Africa 0
Europe 38
North America 22
South America 1
Oceania 0
Online 5
.NET 9
Agile 19
Android 11
Angular 25
API 17
Apple 8
AR / VR / XR 3
Artificial Intelligence (AI) 168
AWS 9
Azure 11
Big Data 118
BSD / OS 8
Business Analysis 12
C/C++ 3
CIO 8
Clojure 2
Cloud 103
Crypto / Blockchain 20
CTO 12
Cybersecurity / InfoSec 64
Data / Database 127
Data Science 119
DDD 8
DevOps 84
Django 7
Docker / Kubernetes 67
Drupal 1
Elixir 2
Fintech 18
Flutter 17
Full-stack 49
Functional programming 5
Game dev 6
Golang 4
Google 12
Hardware / IoT 8
Haskell 2
HR / Hiring / Recruiting 5
iOS / Swift 15
IT 672
IT service management 2
Java 16
JavaScript 41
Kotlin 14
Laravel 6
Large Language Model (LLM) 86
Linux / OS 11
Machine Learning (ML) 123
Microsoft 53
Mobile 17
MongoDB 1
Open Source 38
Operating Systems / OS 8
PHP 14
Postgres 5
Product management 34
Project management / PMO 30
Python 9
React 26
Ruby 2
Ruby on Rails 2
Rust 3
Salesforce 4
SAP 3
Scala 15
Scrum 14
Serverless 2
Software architecture 75
SQL 38
SRE 69
Startup 5
Symfony 6
Tech 672
Tech leadership 29
Telecom / 5G 3
Testing / QA 16
TypeScript 41
UI / UX 21
Vue 17
Web / Frontend 45
Web3 17
WordPress 6
AT Austria 2
BE Belgium 2
CZ Czech Republic 4
DK Denmark 1
FR France 2
DE Germany 12
IT Italy 1
XK Kosovo 1
LU Luxembourg 1
NL Netherlands 3
PL Poland 1
RO Romania 1
ES Spain 1
SE Sweden 1
GB United Kingdom 5

Best Open Source conferences in Europe 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.

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Agents and Money London

Open Source conference in London, United Kingdom, Europe

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Pole Position Sprint 2026

Open Source conference in Kerpen, Germany, Europe

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Open Source Policy & Ecosystem Forum

Open Source conference in Brussels, Belgium, Europe

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European Open Source Security Forum

Open Source conference in Brussels, Belgium, Europe

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Codegarden 2026

Open Source conference in Copenhagen, Denmark, Europe and Online

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Cloud Native & Open Source AI Conference

Open Source conference in London, United Kingdom, Europe

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React Summit 2026

Open Source conference in Amsterdam, Netherlands, Europe

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Jupyter Workshops: Demystifying MyST Markdown in Education

Open Source masterclass in Orsay, France, Europe

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DevConf.CZ

Open Source conference in Brno, Czech Republic, Europe

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Open Source in Finance Forum London

Open Source conference in London, United Kingdom, Europe

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OWASP Global AppSec EU 2026

Open Source conference in Vienna, Austria, Europe

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Automotive Oopen Source Summit 2026

Open Source conference in Starnberg, Germany, Europe

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techcamp 2026

Open Source conference in Hamburg, Germany, Europe

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State of the Map

Open Source conference in Paris, France, Europe

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Percona Live Amsterdam

Open Source conference in Amsterdam, Netherlands, Europe

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Zigtoberfest 2026

Open Source conference in Munich, Germany, Europe

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SFK 2026

Open Source conference in Pristina, Kosovo, Europe

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Open Tech Day 26: Software-defined Storage

Open Source conference in Nuremberg, Germany, Europe

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eLSA symposium

Open Source conference in Gottingen, Germany, Europe

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OpenSSF Community Day Europe

Open Source conference in Prague, Czech Republic, Europe

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Open Source Summit Europe 2026

Open Source conference in Prague, Czech Republic, Europe

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Open Source Summit Europe

Open Source conference in Prague, Czech Republic, Europe

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Open Source Conference Luxembourg 2026

Open Source conference in Belval, Luxembourg, Europe

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Lakehouse Day EU 2026

Open Source conference in Glasgow, United Kingdom, Europe

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BazelCon

Open Source conference in Amsterdam, Netherlands, Europe

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Joomla! World Conference

Open Source conference in Potsdam, Germany, Europe

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Umbraco UK Conference 2026

Open Source conference in London, United Kingdom, Europe

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OmniOpenCon 2026

Open Source conference in Bucharest, Romania, Europe

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Umbracokalaset 2026

Open Source conference in Stockholm, Sweden, Europe

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Akademy 2026

Open Source conference in Graz, Austria, Europe