Open Source Conferences 2026–2027

69 events

September 2026

7-11 Sep 2026

Rails Camp West 2026

United States, Otis

Open Source Ruby Rails Backend

8 Sep 2026

PGDay UK

United Kingdom, London

PostgreSQL Open Source

9-13 Sep 2026

EuroBSDCon 2026

Belgium, Brussels

Open Source

10-11 Sep 2026

AGNTCon + MCPCon Japan

Japan, Tokyo

AI/ML Open Source API Management Software Architecture Security

10-12 Sep 2026

LibreOffice Conference 2026

Italy, Pordenone

Open Source

12 Sep 2026

Zigtoberfest 2026

Germany, München

Open Source

13-15 Sep 2026

Infobip Shift 2026

Croatia, Zadar

JavaScript Software Architecture DevOps Open Source Cloud

14-16 Sep 2026

Oxidize Conference

Germany, Berlin

Software Architecture Security Hardware IoT Open Source

15-16 Sep 2026

LF Energy Summit Europe

Germany, Berlin

DevOps Open Source IoT Green IT Cloud

18-19 Sep 2026

24. Kieler Open Source und Linux Tage

Germany, Kiel

Linux Open Source

19-20 Sep 2026

Nextcloud Community Conference 2026

Germany, Berlin

Open Source

19-24 Sep 2026

Akademy 2026

Austria, Graz

Open Source Linux

22-26 Sep 2026

Nerdearla (Buenos Aires) 2026

🌐 Online / Buenos Aires

Open Source DevOps Linux AI/ML Data

22-24 Sep 2026

ROSCon 2026

Canada, Toronto

Hardware Open Source

23-24 Sep 2026

Rails World 2026

United States, Austin

Open Source Ruby Rails Backend

24-25 Sep 2026

DevConf.US 2026

United States, Boston

Open Source Cloud

26 Sep 2026

Security BSides Kraków 2026

Poland, Kraków

Security DevOps Linux Open Source Cloud

28 Sep - 2 Oct 2026

GOTO Copenhagen 2026

Denmark, Copenhagen

DevOps Security Software Architecture AI/ML Cloud Open Source

28 Sep - 1 Oct 2026

DrupalCon Rotterdam 2026

Netherlands, Rotterdam

Open Source Symfony JavaScript DevOps

30 Sep - 1 Oct 2026

Automotive Grade Linux All Member Meeting Europe

Germany, Berlin

Linux Open Source IoT Software Architecture

October 2026

1 Oct 2026

Open Tech Day 2026

Germany, Nuremberg

Open Source

1 Oct 2026

tiny ruby #{conf} 2026

Finland, Helsinki

Open Source Ruby Rails Backend

5 Oct 2026

Observability Summit Europe

Czechia, Prague

DevOps Open Source Cloud AI/ML

5-7 Oct 2026

Linux Plumbers Conference 2026

🌐 Online / Prague

Linux Open Source

6 Oct 2026

OpenSSF Community Day Europe

Czechia, Prague

Security Open Source

7-9 Oct 2026

Embedded Linux Conference Europe

Czechia, Prague

Linux Open Source IoT Hardware

7-8 Oct 2026

PromCon EU 2026

Germany, Munich

DevOps Open Source

7-8 Oct 2026

Open Source India 2026

India, Bengaluru

Open Source

7-9 Oct 2026

FlutterCon 2026

Germany, Berlin

Mobile Frontend Open Source Software Architecture

7-9 Oct 2026

Open Source Summit Europe

Czechia, Prague

DevOps Linux Open Source Kubernetes Cloud

8 Oct 2026

Linux Kernel Maintainer Summit

Czechia, Prague

Linux Open Source

8 Oct 2026

Linux Security Summit Europe

Czechia, Prague

Linux Open Source Security

10 Oct 2026

unKonf 2026

Germany, Mannheim

JavaScript React Open Source DevOps

11-14 Oct 2026

Community Over Code

United Kingdom, Glasgow

Open Source

12-13 Oct 2026

PyCon Greece 2026

Greece, Athens

Python Automation Data AI/ML Open Source

14-18 Oct 2026

PyConZA 2026

South Africa, Cape Town

Python Open Source

14-18 Oct 2026

Python Brasil 2026

Brazil, Florianópolis

Python Open Source

16-18 Oct 2026

ROSCon China 2026

China, Shanghai

Open Source Automation IoT

16-17 Oct 2026

Kaigi on Rails 2026

🌐 Online / Shibuya

Open Source Ruby Rails Backend

19-20 Oct 2026

All Things Open 2026

United States, Raleigh

Open Source

20-23 Oct 2026

PGConf.EU 2026

Spain, Valencia

PostgreSQL Data Open Source

27-28 Oct 2026

Qt World Summit 2026

Germany, Berlin

Open Source

29 Oct - 1 Nov 2026

PyConFR 2026

France, Bidart

Python Open Source

November 2026

1-3 Nov 2026

RustLab 2026

Italy, Bologna

Open Source

4-5 Nov 2026

Open Source in Finance Forum New York

United States, New York

DevOps Open Source Fintech Security Software Architecture

6-7 Nov 2026

Seattle GNU/Linux Conference (SeaGL) 2026

🌐 Online

Open Source Linux

7-8 Nov 2026

OpenFest 2026

Bulgaria, Sofia

Open Source

9 Nov 2026

BackstageCon North America 2026

United States, Salt Lake City

DevOps Open Source Software Architecture Cloud

9 Nov 2026

ArgoCon North America 2026

United States, Salt Lake City

Cloud DevOps Kubernetes Open Source

9 Nov 2026

CiliumCon North America 2026

United States, Salt Lake City

Kubernetes Cloud Security Open Source

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