Open Source conferences in Europe 2026 / 2027

Conferences ✕ Europe ✕ Open Source ✕
Asia 2
Africa 0
Europe 25
North America 19
South America 1
Oceania 0
Online 5
.NET 7
Agile 12
Android 8
Angular 14
API 9
Apple 4
AR / VR / XR 2
Artificial Intelligence (AI) 87
AWS 8
Azure 4
Big Data 55
BSD / OS 6
Business Analysis 6
C/C++ 2
CIO 5
Clojure 2
Cloud 56
Crypto / Blockchain 7
CTO 11
Cybersecurity / InfoSec 32
Data / Database 60
Data Science 56
DDD 2
DevOps 42
Django 8
Docker / Kubernetes 34
Elixir 1
Fintech 8
Flutter 11
Full-stack 24
Functional programming 3
Game dev 4
Golang 1
Google 16
Hardware / IoT 5
Haskell 2
HR / Hiring / Recruiting 5
iOS / Swift 11
IT 349
IT service management 1
Java 8
JavaScript 21
Kotlin 7
Laravel 3
Large Language Model (LLM) 41
Linux / OS 8
Machine Learning (ML) 58
Microsoft 29
Mobile 10
Open Source 25
Operating Systems / OS 6
PHP 9
Postgres 2
Product management 21
Project management / PMO 17
Python 10
React 14
Ruby 1
Ruby on Rails 1
Rust 2
Salesforce 1
SAP 2
Scala 9
Scrum 10
Serverless 3
Software architecture 35
SQL 16
SRE 33
Startup 2
Symfony 3
Tech 349
Tech leadership 22
Telecom / 5G 1
Testing / QA 9
TypeScript 21
UI / UX 10
Vue 8
Web / Frontend 22
Web3 5
WordPress 6
AT Austria 1
BG Bulgaria 1
CZ Czech Republic 6
DE Germany 5
XK Kosovo 1
LU Luxembourg 1
NL Netherlands 1
NO Norway 1
PL Poland 1
RO Romania 1
SE Sweden 1
GB United Kingdom 5
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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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Valkey Contributor Summit

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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Umbraco Partner Summit 2026

Open Source conference in London, United Kingdom, 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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Bergen Open Source 2026

Open Source conference in Bergen, Norway, Europe

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ALASCA Summit 2026

Open Source conference in Dresden, Germany, 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