Open Source conferences 2025 / 2026

Asia 19
Africa 0
Europe 27
North America 18
South America 2
Oceania 0
Online 3
.NET 18
Agile 26
Android 14
Angular 32
API 16
Apple 12
AR / VR / XR 7
Artificial Intelligence (AI) 193
AWS 14
Azure 30
Big Data 195
BSD / OS 19
Business Analysis 24
C/C++ 4
CIO 9
Clojure 3
Cloud 198
Crypto / Blockchain 50
CTO 15
Cybersecurity / InfoSec 139
Data / Database 200
Data Science 195
DDD 8
DevOps 153
Django 18
Docker / Kubernetes 131
Drupal 3
Elixir 8
Fintech 43
Flutter 21
Full-stack 113
Functional programming 9
Game dev 8
Golang 14
Google 25
Hardware / IoT 19
Haskell 3
HR / Hiring / Recruiting 6
IBM 1
iOS / Swift 20
IT 1279
IT service management 5
Java 50
JavaScript 67
Kotlin 42
Laravel 12
Large Language Model (LLM) 103
Linux / OS 23
Machine Learning (ML) 186
Microsoft 91
Mobile 25
MongoDB 3
Open Source Remove filter by topic
Operating Systems / OS 22
PHP 37
Postgres 12
Product management 25
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Python 20
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Ruby 19
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Rust 11
Salesforce 8
SAP 7
Scala 41
Scrum 18
Serverless 4
Software architecture 135
SQL 86
SRE 131
Startup 15
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Tech 1279
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Testing / QA 64
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AR Argentina 1
BE Belgium 2
BR Brazil 1
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FR France 2
DE Germany 6
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JP Japan 9
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PL Poland 1
SK Slovakia 1
KR South Korea 1
ES Spain 2
TW Taiwan 1
GB United Kingdom 1
US United States 17

Best Open Source conferences 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
Clean Code: The Next Level

Clean Code: The Next Level

Advanced clean code certification training for Java developers.

Best conference
Modern Software Engineering with TDD

Modern Software Engineering with TDD

Certification masterclass for .NET developers.

oss

stackconf 2025

Open Source conference in Munich, Germany, Europe

oss

OpenSearchCon Europe

Open Source conference in Amsterdam, Netherlands, Europe

oss

StrapiConf

Open Source conference in Paris, France, Europe

oss

OpenSIPS Summit 2025

Open Source conference in Amsterdam, Netherlands, Europe

oss

Open Source North

Open Source conference in Saint Paul, Minnesota, United States, North America

oss

T-DOSE 2025

Open Source conference in Geldrop, Netherlands, Europe

oss

OpenSearchCon India

Open Source conference in Bengaluru, India, Asia

oss

Community Over Code

Open Source conference in Bratislava, Slovakia, Europe

oss

PyTorch Day China 2025

Open Source conference in Beijing, China, Asia

oss

KubeCon + CloudNativeCon China

Open Source conference in Hong Kong, Hong Kong, Asia

oss

POSETTE: An Event for Postgres 2025

Open Source conference Online

oss

Capital Series Poland

Open Source conference in Warsaw, Poland, Europe

oss

try! Swift AI x Dub Dub

Open Source masterclass in San Jose, California, United States, North America

oss

React Summit 2024

Open Source conference in Amsterdam, Netherlands, Europe

oss

KeycloakCon Japan

Open Source conference in Tokyo, Japan, Asia

oss

Berlin Buzzwords 2025

Open Source conference in Berlin, Germany, Europe

oss

KubeCon + CloudNativeCon Japan

Open Source conference in Tokyo, Japan, Asia

oss

OpenSSF Community Day Japan

Open Source conference in Tokyo, Japan, Asia

oss

Open South Code 2025

Open Source conference in Malaga, Spain, Europe

oss

Open Source Summit North America

Open Source conference in Denver, Colorado, United States, North America

oss

Cloud Native Days Italy 2025

Open Source conference in Bologna, Italy, Europe

oss

Open Source in Finance Forum London

Open Source conference in London, United Kingdom, Europe

oss

KIXCONF 25

Open Source conference in Chemnitz, Germany, Europe

oss

OpenSSF Community Day North America

Open Source conference in Denver, Colorado, United States, North America

oss

Open edX Conference - 2025

Open Source conference in Paris, France, Europe

oss

The Linux Foundation Europe Roadshow

Open Source conference in Milan, Italy, Europe

oss

CommunityOverCode Asia 2025

Open Source conference in Beijing, China, Asia

oss

OpenSSF Community Day India

Open Source conference in Hyderabad, India, Asia

oss

Open Source Summit India

Open Source conference in Hyderabad, India, Asia

oss

KubeCon + CloudNativeCon India 2025

Open Source conference in Hyderabad, India, Asia