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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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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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: 13th - 14th February || Mode: In-person || Location: Pune, India.
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Date: 24th - 25th February || Mode: In-person || Location: Napa, California, USA.
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Date: 26th February || Mode: Hybrid || Location: Los Angeles, California, USA.
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Date: 5th - 8th March || Mode: In-person || Location: Pasadena, California, USA.
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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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Date: 23th - 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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Free Software Legal and Licensing Workshop 2026
Date: 15th - 17th April || Mode: In-person || Location: Berlin, Germany.
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Date: 16th - 17th April || Mode: In-person || Location: Prague, Czechia.
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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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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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Observability Summit North America
Date: 21st - 22nd May || Mode: In-person || Location: Minneapolis, Minnesota, USA.
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Date: 7th - 9th June || Mode: In-person || Location: Berlin, Germany.
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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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Automotive Oopen Source Summit 2026
Date: 30th June || Mode: In-person || Location: Starnberg, Germany.
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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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KubeCon + CloudNativeCon China
Date: 8th - 9th September || Mode: In-person || Location: Shanghai, China.
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Date: 8th - 9th September 8-9 || 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: 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: October 20-21 || Mode: In-person || Location: San Jose, California, USA.
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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.
- Open Source Summit Japan
Date: 7th - 9th December || Mode: In-person || Location: Tokyo, Japan.