Open Source conferences in Europe 2026 / 2027

Conferences ✕ Europe ✕ Open Source ✕
Asia 16
Africa 0
Europe 35
North America 23
South America 1
Oceania 0
Online 4
.NET 10
Agile 20
Android 10
Angular 15
API 14
Apple 9
AR / VR / XR 1
Artificial Intelligence (AI) 143
AWS 13
Azure 11
Big Data 98
BSD / OS 8
Business Analysis 7
C/C++ 1
CIO 7
Clojure 3
Cloud 99
Crypto / Blockchain 16
CTO 11
Cybersecurity / InfoSec 56
Data / Database 105
Data Science 99
DDD 5
DevOps 79
Django 9
Docker / Kubernetes 63
Drupal 1
Elixir 3
Fintech 14
Flutter 16
Full-stack 41
Functional programming 6
Game dev 6
Golang 3
Google 17
Hardware / IoT 9
Haskell 2
HR / Hiring / Recruiting 5
iOS / Swift 15
IT 574
IT service management 2
Java 17
JavaScript 27
Kotlin 15
Laravel 4
Large Language Model (LLM) 76
Linux / OS 10
Machine Learning (ML) 104
Microsoft 48
Mobile 15
MongoDB 1
Open Source 35
Operating Systems / OS 8
PHP 16
Postgres 3
Product management 32
Project management / PMO 27
Python 12
React 15
Ruby 2
Ruby on Rails 2
Rust 3
SAP 3
Scala 17
Scrum 16
Serverless 2
Software architecture 61
SQL 26
SRE 65
Startup 5
Symfony 4
Tech 574
Tech leadership 27
Telecom / 5G 3
Testing / QA 12
TypeScript 28
UI / UX 15
Vue 8
Web / Frontend 27
Web3 13
WordPress 10
AT Austria 1
BG Bulgaria 1
CZ Czech Republic 5
FR France 1
DE Germany 11
IT Italy 1
XK Kosovo 1
LU Luxembourg 1
NL Netherlands 4
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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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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Xen Summit 2026

Open Source conference in Munich, Germany, Europe

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Cloud Native Amsterdam

Open Source conference in Amsterdam, Netherlands, Europe

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Dutch Umbraco Alliance

Open Source conference in Apeldoorn, Netherlands, 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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Observability Summit Europe 2026

Open Source conference in Prague, Czech Republic, Europe

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ValkeyConf

Open Source conference in Prague, Czech Republic, 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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Dyalog '26

Open Source conference in Eastbourne, 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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OpenFest 2026

Open Source conference in Sofia, Bulgaria, Europe

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Akademy 2026

Open Source conference in Graz, Austria, Europe

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JS Poland

Open Source conference in Warsaw, Poland, Europe

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Open Source Monitoring Conference (OSMC)

Open Source conference in Nuremberg, Germany, Europe

15% discount with code DEV.EVENTS15

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NIDC 2026: 10th Anniversary Edition!

Open Source conference in Belfast, United Kingdom, Europe

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React Day Berlin

Open Source conference in Berlin, Germany, Europe

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IT-Tage

Open Source conference in Frankfurt am Main, Germany, Europe