This is a collection of Open Source events or conferences to look out for in 2026.
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.
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:
- Click the "+" next to "Other calendars"
- Select "From URL"
- Paste the calendar URL and click "Add calendar"
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📌 Apple Calendar:
- Go to File > New Calendar Subscription
- Paste the calendar URL or use:
webcal://jonamarkin.github.io/ose-calendar/events.ics
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📌 Outlook:
- Go to Calendar view > Add Calendar > Subscribe from web
- Paste the calendar URL
The calendar is automatically updated daily, ensuring you always have the latest event information.
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Date: 20th January || Mode: In-person || Locations: Various
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Date: 21st - 23rd January || Mode: In-person || Location: University of Canberra, Canberra, Australia.
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Date: 21st - 25th January || Mode: In-person || Location: Nashik, India.
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Drupal AI Hackathon - Play to Impact: 2026 edition
Date: 27th - 28th January || Mode: In-person || Locations: Brussels, Belgium.
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Software Heritage 2026 Symposium and Summit
Date: 28th January || Mode: Hybrid || Location: Paris, France.
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Linux Foundation Decentralized Trust
Date: 28th - 29th January || Mode: In-person || Location: Jersey City, New Jersey, USA.
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Simpl Annual Community Event 2026
Date: 29th January || Mode: In-person || Location: Brussels, Belgium.
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Date: 29th January || Mode: In-person || Location: Brussels, Belgium.
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Eclipse Foundation's code & compliance - FOSDEM Edition
Date: 29th January || Mode: In-person || Location: Brussels, Belgium.
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The European Open Source Awards
Date: 29th January || Mode: In-person || Location: Brussels, Belgium.
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EU Open Souce Policy Summit 2026
Date: 29th January || Mode: In-person || Location: Brussels, Belgium.
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FOSDEM 2026 Fringe: FOSS license and security compliance tools workshop
Date: 30th January || Mode: In-person || Location: Brussels, Belgium.
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Date: 31st January - 1st February || Mode: In-person || Location: Brussels, Belgium.
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Date: 1st February - 1st March || Mode: Online || Location: Global (Open for All) || 30-day open-source contribution program by Resourcio Community
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Date: 2nd February || Mode: In-person || Location: Brussels, Belgium.
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Date: 2nd - 4th February || Mode: In-person || Location: Ghent, Belgium.
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Date: 4th - 6th February || Mode: In-person || Location: LifeLong Learning Institute, Singapore.
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Date: 7th February || Mode: In-person || Location: Bengaluru, India.
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Date: 13th - 14th February || Mode: In-person || Location: Pune, India.
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Date: 18th - 19th February || Mode: In-person || Location: Shankar Lal Concert Hall, New Delhi, India.
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Date: 24th - 25th February || Mode: In-person || Location: Napa, California, USA.
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Date: 20th - 26th February || Mode: In-person || Location: Namibia.
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Date: 26th February || Mode: Hybrid || Location: Los Angeles, California, USA.
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Date: 2nd - 3rd March || Mode: In-person || Location: Amsterdam, Netherlands.
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Date: 5th - 8th March || Mode: In-person || Location: Pasadena, California, USA.
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Date: 9th - 10th March || Mode: In-person || Location: Bankok, Thailand.
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Zephyr at Embedded World Exhibition & Conference
Date: 10th - 12th March || Mode: In-person || Location: Nuremberg, Germany.
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Date: 16th - 17th March || Mode: In-person || Location: Berlin, Germany.
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High Performance Software Foundation Conference 2026
Date: 16th - 17th March || Mode: In-person || Location: Chicago, Ilinois, USA.
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Date: 17th - 18th March || Mode: In-person || Location: Shanghai, China.
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Date: 19th - 20th March || Mode: In-person || Location: London, UK.
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Open Source SecurityCon Europe
Date: 23rd March || Mode: In-person || Location: Amsterdam, The Netherlands.
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Date: 23rd - 26th March || Mode: In-person || Location: Amsterdam, The Netherlands.
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Cloud Native AI + Kubeflow Day
Date: 23rd March || Mode: In-person || Location: Amsterdam, The Netherlands.
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Date: 23rd March || Mode: In-person || Location: Amsterdam, The Netherlands.
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Date: 23rd March || Mode: In-person || Location: Amsterdam, The Netherlands.
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Date: 23rd March || Mode: In-person || Location: Amsterdam, The Netherlands.
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Date: 23rd March || Mode: In-person || Location: Amsterdam, The Netherlands.
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Date: 23rd March || Mode: In-person || Location: Amsterdam, The Netherlands.
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Date: 23rd March || Mode: In-person || Location: Amsterdam, The Netherlands.
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Date: 23rd March || Mode: In-person || Location: Amsterdam, The Netherlands.
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Open Source SecurityCon Europe
Date: 23rd March || Mode: In-person || Location: Amsterdam, The Netherlands.
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Date: 23rd March || Mode: In-person || Location: Amsterdam, The Netherlands.
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Platform Engineering Day Europe
Date: 23rd March || Mode: In-person || Location: Amsterdam, The Netherlands.
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Date: 23rd March || Mode: In-person || Location: Amsterdam, The Netherlands.
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Date: 29th - 30th March || Mode: In-person || Location: Chemnitzer, Germany.
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Date: 8th - 10th April || Mode: In-person || Location: Vilnius, Lithuania.
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Date: 14th - 16th April || Mode: In-person || Location: Frankfurt, Germany.
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Date: 15th - 17th || Mode: In-person || Location: Kensington Town Hall, London.
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Free Software Legal and Licensing Workshop 2026
Date: 15th - 17th April || Mode: In-person || Location: Berlin, Germany.
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Date: 15th - 19th || Mode: In-person || Location: Athens, Greece.
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Date: 16th - 17th April || Mode: In-person || Location: Prague, Czechia.
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Date: 20th - 22nd April || Mode: In-person || Location: Barcelona, Spain.
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Open Community Experience (OCX) 2026
Date: 21st - 23rd April || Mode: In-person || Location: Brussels, Belgium.
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Date: 24th - 26th April || Mode: In-person || Location: Bellingham, Washington, USA.
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FlutterFlow Developers Conference
Date: May (Specific Dates to be announced soon) || Mode: Hybrid || Location: San Francisco, California, USA.
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Date: 3rd - 5th May || Mode: In-person || Location: Portland, Oregon, USA.
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Date: 11th - 14th May || Mode: In-person || Location: Atlanta, Georgia, USA.
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Date: 13th - 19th May || Mode: In-person || Location: Long Beach, California, USA.
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Open Source Summit North America
Date: 18th - 20th May || Mode: In-person || Location: Minneapolis, Minnesota, USA.
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Embedded Linux Conference North America
Date: 18th - 20th May || Mode: In-person || Location: Minneapolis, Minnesota, USA.
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Date: 18th - 22nd May || Mode: In-person || Location: kitconcept office, Bonn, Germany.
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OpenSSF Community Day North America 2026
Date: 21st May || Mode: In-person || Location: Minneapolis, Minnesota.
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Observability Summit North America
Date: 21st - 22nd May || Mode: In-person || Location: Minneapolis, Minnesota, USA.
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Platmosphere Chapter 2026 Master the Vibe
Date: 26th May || Mode: In-person || Location: Milan, Italy.
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Date: 1st - 3rd June || Mode: In-person || Location: Genohotel Karlsruhe, Germany.
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Date: 7th - 9th June || Mode: In-person || Location: Berlin, Germany.
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Date: 8th - 12th June || Mode: In-person || Location: Kerpen, Germany.
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Date: 8th - 12th June || Mode: Hybrid || Location: Maritim proArte Berlin, Germany.
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Date: 10th - 11th June || Mode: In-person || Location: Copenhagen, Denmark.
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Date: 12th - 16th June || Mode: In-person || Location: Amsterdam, Netherlands.
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Date: 15th - 16th June || Mode: In-person || Location: Mumbai, India.
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Date: 16th - 17th June || Mode: In-person || Location: Mumbai, India.
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Date: 18th - 20th June || Mode: In-person || Location: Brno, Czechia.
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KubeCon + CloudNativeCon India
Date: 18th - 19th June || Mode: In-person || Location: Mumbai, India.
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Date: 22nd - 26th June || Mode: In-person || Location: New York City, New York, USA.
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Date: 22nd - 26th June || Mode: In-person || Location: Vienna, Austria.
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Open Source in Finance Forum London
Date: 25th June || Mode: In-person || Location: London, England.
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Automotive Oopen Source Summit 2026
Date: 30th June || Mode: In-person || Location: Starnberg, Germany.
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Date: 16th - 17th July || Mode: In-person || Location: Orlando, Florida, USA.
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Date: 16th - 17th July || Mode: In-person || Location: Orlando, Florida, USA.
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Date: 19th July || Mode: Hybrid || Location: Los Angeles, California, USA.
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KubeCon + CloudNativeCon Japan
Date: 29th - 30th July || Mode: In-person || Location: Yokohama, Japan.
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Date: 26th - 30th August || Mode: In-person || Location: Brisbane, Australia.
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Date: 30th August - 5th September || Mode: In-person || Location: Hiroshima, Japan.
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Date: 31st August - 2nd September || Mode: In-person || Location: Austin, Texas, USA.
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KubeCon + CloudNativeCon + OpenInfra China
Date: 8th - 9th September || Mode: In-person || Location: Shanghai, China.
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Automotive Grade Linux All Member Meeting
Date: 30th September - 1st October || Mode: In-person || Location: Berlin, Germany.
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Date: 7th - 9th October || Mode: In-person || Location: Berlin, Germany.
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Date: 7th - 9th October || Mode: In-person || Location: Prague, Czechia.
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Embedded Linux Conference Euuope
Date: 7th - 9th October || Mode: In-person || Location: Prague, Czechia.
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Date: 18th - 20th October || Mode: In-person || Location: Raleigh, North Carolina, USA.
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Date: 20th - 21st October || Mode: In-person || Location: San Jose, California, USA.
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Date: 21st 23rd October || Mode: In-person || Location: Athens War Museum, Athens, Greece.
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Date: 26th - 29th October || Mode: In-person || Location: Atlanta, Georgia, USA.
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Open Source in Finance Forum New York
Date: 4th - 5th November || Mode: In-person || Location: New York City, New York, USA.
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Date: 6th - 7th November || Mode: In-person || Location: Austin, Texas, USA.
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Date: 13th November || Mode: In-person || Location: Graz, Austria.
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KubeCon + CloudNativeCon North America
Date: 9th - 12th November || Mode: In-person || Location: Salt Lake City, Utah, USA.
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Date: 7th - 9th December || Mode: In-person || Location: Tokyo, Japan.
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Date: 10th - 11th December || Mode: In-person || Location: Tokyo, Japan.