Open Source Conferences 2026–2027

69 events

June 2026

6-8 Jun 2026

ZuriHac 2026

Switzerland, Rapperswil-Jona

Functional Programming Open Source

6 Jun 2026

Matsue RubyKaigi 12

Japan, Matsue

Open Source Ruby Rails Backend

7-9 Jun 2026

Berlin Buzzwords

Germany, Berlin

Data Open Source

8-11 Jun 2026

Web Summit Rio 2026

Brazil, Rio de Janeiro

DevOps Security Open Source AI/ML Cloud

9-10 Jun 2026

Nordic-RSE in person conference 2026 (#NordicRSEconf)

Norway, Tromsø

Open Source

12-13 Jun 2026

Baltic Ruby 2026

Germany, Hamburg

Open Source Ruby Software Architecture Rails Backend

12-13 Jun 2026

JSCraftCamp 2026

Germany, Munich

JavaScript Open Source

15-16 Jun 2026

OpenSearchCon India

India, Mumbai

DevOps Open Source Kubernetes Data Cloud

15-17 Jun 2026

Umbraco US Festival

United States, Chicago

Open Source UX

16-17 Jun 2026

Open Source Summit India

India, Mumbai

DevOps Linux Open Source Kubernetes Cloud

18-19 Jun 2026

DevConf.CZ 2026

Czechia, Brno

Open Source Cloud

25 Jun 2026

Open Source in Finance Forum London

United Kingdom, London

DevOps Open Source Fintech Security Software Architecture

25 Jun 2026

Brighton Ruby Conference 2026

United Kingdom, Brighton

Open Source Ruby Rails Backend

July 2026

13-19 Jul 2026

SciPy 2026

🌐 Online / Minneapolis

Python Open Source

19 Jul 2026

Open Source Days

🌐 Online / Los Angeles

DevOps Linux Open Source Software Architecture Cloud

August 2026

9-12 Aug 2026

DEF CON 34 FOR 2026

United States, Las Vegas

Linux Open Source Security Hardware

12-14 Aug 2026

USENIX Security '26 (35th USENIX Security Symposium)

United States, Baltimore

Linux Open Source Security Software Architecture

14-15 Aug 2026

Carolina Code Conference™

United States, Greenville

Open Source Security

14-15 Aug 2026

Beer City Code

United States, Grand Rapids

JavaScript Python DevOps Open Source Software Architecture

21-22 Aug 2026

Ruby Conf Africa 2026

Kenya, Nairobi

Ruby Open Source Software Architecture

26-30 Aug 2026

PyCon AU 2026

Australia, Brisbane

Python Open Source DevOps AI/ML Data

27-28 Aug 2026

DrupalCamp Colorado 2026

United States, Denver

Open Source UX Frontend Backend AI/ML

31 Aug - 2 Sep 2026

Airflow Summit

United States, Austin

Python DevOps Open Source AI/ML Data

31 Aug - 1 Sep 2026

GopherCon South Africa 2026 (GopherCon SA)

South Africa, Johannesburg

Software Architecture DevOps Open Source Cloud

September 2026

1 Sep - 1 Dec 2026

Open Source Summit Korea

South Korea, Seoul

DevOps Linux Open Source Kubernetes Cloud

1-3 Sep 2026

seL4 Summit

Canada, Vancouver

Linux Open Source Security Software Architecture Hardware

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

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

22-24 Sep 2026

ROSCon 2026

Canada, Toronto

Hardware Open Source

22-26 Sep 2026

Nerdearla (Buenos Aires) 2026

🌐 Online / Buenos Aires

Open Source DevOps Linux AI/ML Data

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 - 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

5-7 Oct 2026

Linux Plumbers Conference 2026

🌐 Online / Prague

Linux 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

7-8 Oct 2026

Open Source India 2026

India, Bengaluru

Open Source

7-9 Oct 2026

Embedded Linux Conference Europe

Czechia, Prague

Linux Open Source IoT Hardware

7-10 Oct 2026

GoTo Copenhagen 2026

Denmark, Copenhagen

Open Source

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

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