Open Source Events to attend in 2025 ✨

This is a collection of Open Source events or conferences to look out for in 2025.

How can you make the best out of these events or conferences?

Checkout for the Call for Proposals and submit a talk or workshop.
Look for opportunities to contribute to the conference through volunteering. Some examples are;
- Watching out for and reporting typos found on the conference website
- Volunteering on-site or online before or during the conference
- Offering to coach new speakers before the conference
- Help market the conference
Sponsor an event.
Checkout for grants or financial aid offered by the conference.

If you are interested in contributing to this project, kindly read the contribution guideline.

📆 Subscribe to the Calendar

Stay updated with all these open source events by subscribing to our calendar:

ICS Calendar: https://jonamarkin.github.io/ose-calendar/events.ics

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📌 Google Calendar:
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📌 Apple Calendar:
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📌 Outlook:
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2. Paste the calendar URL

The calendar is automatically updated daily, ensuring you always have the latest event information.

January ✨

Try! Swift x AI Singapore

Date: 18th - 19th January || Mode: In-person || Location: Singapore.
Everything Open

Date: 20th - 22nd January || Mode: In-person || Location: Adelaide, Australia.
Vuejs Nation Conference

Date: 29th - 30th January || Mode: Virtual
EU Open Source Policy Summit

Date: 31st January, 2025 || Mode: Online || Location: Brussels, Belgium.

February ✨

FOSDEM

Date: 1st - 2nd February || Mode: In-person || Location: Brussels, Belgium.
Python devroom @FOSDEM

Date: 1st - 2nd February || Mode: In-person || Location: Brussels, Belgium.
Laracon EU

Date: 3rd - 4th February || Mode: In-person || Location: Amsterdam, Netherlands.
SOOCON - State of Open Conference

Date: 4th - 5th February || Mode: In-person || Location: London, United Kingdom.
Python Barcamp Karlsruhe

Date: 20th - 22nd February || Mode: In-person || Location: Karlsruhe, Germany.
International Hackathon

Date: 21th - 22nd February || Mode: Hybrid || Location: Worldwide, Worldwide.
WordCamp Asia

Date: 20th - 22nd February || Mode: In-person || Location: Manila, Philippines.
Django Girls Koforidua

Date: 21st - 22nd February || Mode: In-person || Location: Koforidua, Ghana.
DjangoCongress

Date: 22nd February || Mode: Virtual
GeoPython

Date: 24th - 26th February || Mode: In-person || Location: Basel, Switzerland.
Pycon Namibia

Date: 24th - 27th February || Mode: In-person || Location: Windhoek, Namibia.

March ✨

SOSS Policy Summit - Open Source Security Foundation

Date: 4th March || Mode: In-person || Location: Washington, DC - USA.
SCALE22x

Date: 6th - 9th March || Mode: In-person || Location: Pasadena, California - USA.
Umbraco Spark

Date: 7th March || Mode: In-person || Location: Bristol, United Kingdom.
Apertre 2.0 - A 30-days-long Open Source Event by Resourcio Community

Date: 7th March to 5th April || Mode: Online + In-person offline meetup || Location: Kolkata, India
FOSS Backstage

Date: 10th - 11th March || Mode: In-person || Location: Berlin, Germany.
KHIPU - Latin American Meeting in Artificial Intelligence

Date: 10th - 14th March || Mode: In-person || Location:Santiago de Chile, Chile.
FOSS Backstage Design

Date: 12th March || Mode: In-Person || Location: Berlin, Germany.
FOSSASIA Summit

Date: 13th - 15th March || Mode: In-person || Location: Bangkok, Thailand.
Nvidia GTC

Date: 17th - 21st March || Mode: In-person || Location: San Jose, California - USA.
Linux Foundation Member Summit

Date: 18th - 20th March || Mode: In-person || Location: Napa, California - USA.
Open Source Day

Date: 21st March || Mode: In-person || Location: Florence, Italy.

April ✨

May ✨

PGConf.BE

Date: 6th May || Mode: In-person || Location: Haasrode (Leuven), Belgium.
PostgreSQL Conference

Date: 8th - 9th May || Mode: In-person || Location: Berlin, Germany.
PyCon US

Date: 14th - 22nd May || Mode: In-person || Location: Pittsburgh, Pennsylvania - USA.
Red Hat Summit

Date: 19th - 22nd May || Mode: In-person || Location: Boston, Massachusetts - USA.
Opensips Summit

Date: 27th - 29th May || Mode: In-person || Location: Amsterdam, Netherlands.
PyCon Italia

Date: 28th - 31st May || Mode: In-person || Location: Bologna, Italy.
Open Source North

Date: 29th May || Mode: In-person || Location: St. Paul, Minesota - USA.
T-Dose

Date: 31st May - 1st June || Mode: In-person || Location: Geldrop, Netherlands.

June ✨

Berlin, PHP Conference

Date: 2nd – 6th June || Mode: In-person or Online || Location: Berlin,Germany
OpenSearchCon India

Date: 3rd - 4th June || Mode: In-person || Location: Bengaluru, India.
Community Over Code

Date: 3rd - 5th June || Mode: In-person || Location: Bratislava, Slovakia.
PyTorch Day China

Date: 7th June || Mode: In-person || Location: Beijing, China.
KubeCon + CloudNativeCon China

Date: 10th - 11th June || Mode: In-person || Location: Hong Kong, China
POSETTE, An Event for Postgres

Date: 10th - 12th June || Mode: Virtual || Location: Online
React Summit

Date: 13th & 17th June || Mode: In-person || Location: Amsterdam, Netherlands.
Berlin Buzzwords

Date: 15th - 17th June || Mode: In-person || Location: Berlin, Germany.
KubeCon + CloudNativeCon Japan

Date: 16th - 17th June || Mode: In-person || Location: Tokyo, Japan.
UN Open Source Week 2025

Date: 16th - 20th June || Mode: In-person || Location: United Nations Headquarters, New York - USA.
GitHub Summerfest

Date: 18th June || Mode: Virtual || Location: Online
Open Source Summit North America

Date: 23rd - 25th June || Mode: In-person || Location: Denver, Colorado - USA.
Galaxy and Bioconductor Community Conference

Date: 23rd - 26th June || Mode: In-person || Location: Cold Spring Harbor Laboratory (CSHL), New York - USA.
PyCamp Leipzig

Date: 28th - 29th June || Mode: In-person || Location: Leipzig, Germany

July ✨

Open EDX

Date: 1st - 4th July || Mode: In-person || Location: Paris, France.
Foss4g

Date: 14th - 20th July || Mode: In-person || Location: Mostar, Bosnia.
OpenEdX

Date: 1st - 4th July|| Mode: In-person || Location: Télécom Paris, France.
Debcon25

Date: 14th - 20th July || Mode: In-person || Location: Brest, France.
Open Sauce

Date: 18th - 20th July || Mode: In-person || Location: San Francisco Bay Area, California - USA.
JuliaCon

Date: 21st - 26th July || Mode: In-person || Location: Pittsburgh, PA.
GUADEC

Date: 24th - 29th July || Mode: In-person || Location: Brescia, Italy.
EUROPYTHON PRAGUE & REMOTE

Date: 14th - 20th July || Mode: In person , Remote || Location: Prague , Czech Republic.
PyOhio

Date: 26th - 27th July || Mode: In person || Location: Cleveland State University Student Center in Cleveland, Ohio.

August ✨

FOSSY 25

Date: 31st July - 3rd August || Mode: In-person || Location: Portland, Oregon, USA.
KubeCon + CloudNativeCon India

Date: 6th - 7th August|| Mode: In-person || Location: Hyderabad, India.
useR! 2025 Conference

Date: 8th - 10th August|| Mode: In-person || Location: Duke University & Duke Center for Computational Thinking, Durham USA.
DjangoCon Africa

Date: 11th - 15th August || Mode: In-person || Location: Arusha, Tanzania.
OSCAFEST - Open Source Festival

Date: 14th - 16th August || Mode: In-person || Location: Lagos, Nigeria.
PyCon Togo

Date: 23th - 24th(half-day) August || Mode: Hybrid || Location: Lomé, Togo.
Open Source Summit Europe

Date: 25th - 27th August || Mode: In-person || Location: Amsterdam, Netherlands.
PyCon Kenya

Date: 28th - 30th August || Mode: In-person || Location: Nairabi, Kenya.
PyCon Greece

Date: 29th - 30th || Mode: In-person || Location: Athens, Greece.
PyCon Latam

Date: not announced yet || Mode: In-person || Location: Costa Rica.
COSCUP (Conference for Open Source Coders, Users, and Promoters)

Date: 9th - 10th August || Mode: In-person || Location: National Taiwan University of Science and Technology in Taipei, Taiwan

September ✨

PyCon Taiwan

Date: 5th - 7th September || Mode: In Person || Location: National Science and Technology Museum (South Complex), Sanmin District, Kaohsiung City, Taiwan.
OpenSearchCon North America

Date: 8th - 10th September || Mode: In-person || Location: San Jose, CA USA
DjangoCon US 2025

Date: 8th - 12th September || Mode: In Person || Location: Chicago, Illinois - USA.
csv,conf,v9

Date: 10th - 11th September || Mode: In-person || Location: Bologna, Italy
PyCon Australia

Date: 12th - 16th September || Mode: In-person || Location: Pullman Melbourne, Australia.
Posit::conf 2025

Date: 16th - 18th September || Mode: Hybrid || Location: Atlanta, USA
IndiaFOSS 2025

Date: 19th - 21st September || Mode: Hybrid || Location: India, Asia
PyCon UK

Date: 19th - 22nd September || Mode: In-person || Location: Manchester, United Kingdom.
FlutterCon

Date: 24th - 26th September || Mode: In-person || Location: Berlin, Germany.
PyBeach

Date: 27th September || Mode: In Person || Location: The Illusion Magic Lounge in Santa Monica, California.
PyCon Japan

Date: 26th - 27th September || Mode: In Person || Location: International Conference Center Hiroshima, Japan.

October ✨

PyCon Estonia

Date: 2nd - 3rd October || Mode: In-person || Location: Tallinn, Estonia.
PyCon Africa

Date: 08th - 12th October || Mode: Hybrid || Location: The Wanderers Club, Johannesburg South Africa.
All Things Open

Date: 12th - 14th October || Mode: In-person || Location: Raleigh, NC USA.
Pittsburgh TechFest 2025

Date: 24th October || Mode: In-person || Location: Tepper Building, Carnegie Mellon University, in Pittsburgh, Pennsylvania.
Github Universe

Date: 28th - 29th October || Mode: In-person || Location: not announced yet
LatinR - Latinamerican Conference About the Use of R in R&D

Date: not announced yet || Mode: In-person || Location: not announced yet
PyCon Thailand 2025

Date: 17th - 18th October || Mode: In-person || Location: Microsoft Thailand and Avani Sukhumvit Bangkok Hotel Bangkok, Thailand
OpenFest 2025

Date: 18th - 19th October || Mode: In-person || Location: "John Atanasoff" forum, Sofia Tech Park, Sofia, Bulgaria
GitHub Universe

Date: 28th - 29th October || Mode: In-person || Location: San Francisco, California - USA.

November ✨

SeaGL

Date: 7th - 8th November || Mode: Hybrid || Location: Husky Union Building, University of Washington.
KubeCon + CloudNativeCon North America

Date: 10th - 13th November || Mode: In-person || Location: Atlanta, United States.
Open Forum Academy

Date: 18th - 19th November || Mode: In-person || Location: Rio de Janeiro, Brazil.
React Summit

Date: 18th & 21st November || Mode: In-person || Location: New York - USA.
tiny ruby #{conf}

Date: 21st November || Mode: In-person || Location: Korjaamo Kino cinema in Helsinki, Finland.

December ✨

Open Source Generative AI & ML Summit

Date: 8th - 10th December || Mode: In-person || Location: Tokyo, Japan.
Open source summit Japan

Date: 8th - 10th December || Mode: In-person || Location: Tokyo, Japan.

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