Open Source conferences in Barcelona 2025 / 2026

Conferences ✕ Europe ✕ Spain ✕ Barcelona ✕ Open Source ✕
Asia 18
Africa 0
Europe 16
North America 21
South America 4
Oceania 0
Online 7
Angular 1
Artificial Intelligence (AI) 2
Big Data 2
Business Analysis 1
Cloud 2
Crypto / Blockchain 1
Data / Database 2
Data Science 2
DevOps 2
Docker / Kubernetes 2
Fintech 1
Full-stack 2
Game dev 1
IT 10
Java 1
JavaScript 1
Kotlin 1
Large Language Model (LLM) 1
Machine Learning (ML) 2
Open Source 1
React 1
Scala 1
Software architecture 2
SQL 1
SRE 2
Tech 10
TypeScript 1
Vue 1
Web / Frontend 1
Web3 1
BE Belgium 2
BG Bulgaria 1
DE Germany 5
IT Italy 1
NL Netherlands 4
RU Russia 1
ES Spain 2

Best Open Source conferences in Barcelona 2025 / 2026

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.

Best conference
Practical Microservices Masterclass

Practical Microservices Masterclass

Microservices certification training for Java developers.

Best conference
Clean Code: The Next Level

Clean Code: The Next Level

Advanced clean code certification training for Java developers.

oss

KubeCon + CloudNativeCon Europe 2027

Open Source conference in Barcelona, Spain, Europe