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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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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Kubernetes Community Days Delhi
Date: 21st February || Mode: In-person || Location: 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: 4th March || Mode: Online || Location: Global (Open to everyone).
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Date: 5th - 8th March || Mode: In-person || Location: Pasadena, California, USA.
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Date: 9th March || Mode: In-person || Location: 135 Constitution Dr- Menlo Park, California, USA.
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Date: 9th - 10th March || Mode: In-person || Location: Bankok, Thailand.
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Date: 10th March || Mode: In-person || Location: Shack15, Ferry Building, San Francisco, USA.
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Zephyr at Embedded World Exhibition & Conference
Date: 10th - 12th March || Mode: In-person || Location: Nuremberg, Germany.
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Workshop: Introduction to Python
Date: 14th March || Mode: In-person || Location: Oficina do Futuro, Beira, Mozambique.
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Date: 14th - 15th March || Mode: In-person || Location: Engineering Staff College of India, Hyderabad, India.
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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, Illinois, 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: 21st - 23rd March || Mode: In-person || Location: De La Salle University (DLSU), Manila, Philippines.
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Date: 21st March || Mode: In-person || Location: Inovation Space (Eduardo Mondlane University), Maputo, Mozambique.
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George Washington University Open Source Conference (GW OSCON)
Date: 23rd - 24th March || Mode: In-person || Location: Washington D.C., USA.
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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: 24th - 25th March || Mode: In-person || Location: Stuttgart, Germany.
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Advancing Open Source Security in Africa: Open SSF and OSSAfrica
Date: 27th March || Mode: Virtual
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Date: 27th - 28th March || Mode: In-person || Location: United States International University - Africa Nairobi, Kenya.
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Date: 29th - 30th March || Mode: In-person || Location: Chemnitzer, Germany.
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Date: 2nd - 3rd April || Mode: In-person || Location: Mysore Auditorium, Mumbai.
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Date: 2nd - 3rd April || Mode: In-person || Location: New York City, New York, USA.
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Date: 8th - 10th April || Mode: In-person || Location: Vilnius, Lithuania.
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Date: 13th - 16th April || Mode: In-person || Location: Paradise Valley, Scottsdale, Arizona, USA.
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Open Source in Finance Forum (OSFF)
Date: 14th April || Mode: In-person || Location: Toronto, Canada.
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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: 17th - 19th April || Mode: Hybrid || Location: Austin, Texas.
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Date: 7th - 8th April || Mode: In-person || Location: Paris, France.
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Date: 16 - 18th April || Mode: Hybrid || Location: Santiago de Chile, Chile.
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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: 21st - 23rd April || Mode: Virtual
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The Carpentries Plotting and Programming in Python Instats Seminar
Date: 22nd - 23rd April || Mode: Virtual
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Date: 24th April || Mode: In-person || Location: Mombasa, Kenya.
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Date: 24th - 26th April || Mode: In-person || Location: Bellingham, Washington, USA.
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Date: 28th - 29th April || Mode: In-person || Location: Munich, Germany.
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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: 5th - 7th May || Mode: In-person || Location: Moscone South - San Francisco, California, USA.
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Date: 11th - 14th May || Mode: In-person || Location: University of Ibadan, Oyo State, Nigeria.
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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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Date: 19th - 22nd May || Mode: In-person || Location: Vancouver, BC, Canada.
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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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Date: 23rd May || Mode: In-person || Location: Duke Health, 14 Moore Dr Durham, North Carolina,, 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: 27th - 30th May || Mode: In-person || Location: Bologna, Italy.
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OpenSearch Project - Milan User Group
Date: 27th 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: 2nd - 3rd June || Mode: In-person || Location: Paris-Châtillon, France.
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Date: 4th - 5th June || Mode: In-person || Location: Loyola University Water Tower Campus in Chicago, Illinois, USA.
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OpenSearch Project - Berlin User Group
Date: 5th June || Mode: In-person || Location: Berlin, Germany.
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Date: 5th - 7th June || Mode: In-person || Location: Convene Sancroft, St. Paul's, England.
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Hong Kong Open Source Conference (HKOSCon) 2026
Date: 6th June || Mode: In-person || Location: HKIIT Tsing Yi (IVE Tsing Yi Campus), Hong Kong.
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Date: 7th - 9th June || Mode: In-person || Location: Berlin, Germany.
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Retrieve. Remember. Reason – with Women of Search
Date: 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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OpenSearch Project - Karlsruhe-Pforzheim User Group
Date: 10th June || Mode: In-person || Location: Karlsruhe, Germany.
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OpenSearch Project - Vienna User Group
Date: 10th June || Mode: In-person || Location: Vienna, Austria.
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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: 17th - 20th June || Mode: In-person || Location: Ottawa, Canada.
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Date: 18th - 20th June || Mode: In-person || Location: Brno, Czechia.
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OpenSearch Project - Seoul User Group
Date: 18th June || Mode: In-person || Location: Seoul, Korea.
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KubeCon + CloudNativeCon India
Date: 18th - 19th June || Mode: In-person || Location: Mumbai, India.
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Date: 22nd - 23rd June || Mode: In-person || Location: St. John's Terminal New York City, New York, USA.
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Date: 22nd - 26th June || Mode: In-person || Location: Clermont-Ferrand, France.
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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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Ghana Data Science Summit (IndabaX Ghana)
Date: 24th - 26th June || Mode: In-person || Location: Ho Technical University, Volta Region, Ghana.
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Open Source in Finance Forum London
Date: 25th June || Mode: In-person || Location: London, England.
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Date: 25th - 29th June || Mode: In-person || Location: Greenville, South Carolina, USA.
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Automotive Open Source Summit 2026
Date: 30th June || Mode: In-person || Location: Starnberg, Germany.
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Date: 13th - 19th July || Mode: In-person || Location: Minneapolis, Minnesota, USA.
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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: 18th - 23rd July || Mode: In-person || Location: Krakow, Poland.
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Date: 19th July || Mode: Hybrid || Location: Los Angeles, California, USA.
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Date: 19th July || Mode: Hybrid || Location: Los Angeles, California, USA
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Python Made Easy: Interactive Workshop for Beginners
Date: 21st - 22nd July || Mode: Online || Location: Zoom
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Date: 24th - 25th July || Mode: In-person || Location: Yerevan, Armenia.
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KubeCon + CloudNativeCon Japan
Date: 29th - 30th July || Mode: In-person || Location: Yokohama, Japan.
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Date: 2nd - 7th August || Mode: Hybrid || Location: Pan-Atlantic Univeristy, Lagos, Nigeria.
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Date: 8th - 9th August || Mode: In-person || Location: Taipei, Taiwan.
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Date: 8th - 11th August || Mode: In-person || Location: Las Vegas, Nevada, USA.
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Date: 10th - 15th August || Mode: In-person || Location: Johannes Gutenberg University Mainz, Rhineland Palatinate, Germany.
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Date: 14th - 15th August || Mode: In-person || Location: Flywheel Coworking Greenville, South Carolina.
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Date: 18th - 19th August || Mode: In-person || Location: Hamplus Technologies International [Hamplus Hub], Abraka, Delta State, Nigeria.
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Date: 20th - 22nd August || Mode: In-person || Location: Accra, Ghana.
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Date: 24th - 28th August || Mode: Hybrid || Location: Chicago, Illinois, USA.
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Date: 28th - 30th August || Mode: Hybrid || Location: Lome, Togo.
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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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Date: 10th - 11th September || Mode: In-person || Location: Berkeley, California, USA.
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Date: 12th- 18th September || Mode: Hybrid || Location: Aurora, Colorado, USA.
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Date: 14th - 16th September || Mode: Hybrid || Location: Houston, Texas, USA.
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PyCon Cameroon + Ubucon Cameroon
Date: 17th - 19th September || Mode: In-person || Location: Yaounde, Cameroon.
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Date: 22nd - 26th September || Mode: Hybrid || Location: Buenos Aires, Argentina.
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Open Source Hardware Conference
Date: 23rd - 24th September || Mode: In-person || Location: Halle (Saale), Germany.
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Date: 23rd - 25th September || Mode: In-person || Location: Amsterdam, Netherlands.
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Date: 23rd - 25th September || Mode: In-person || Location: Pescara, Italy.
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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: 1st October || Mode: In-person || Location: Nuremberg, Germany.
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Date: 1st October || Mode: In-person || Location: Helsinki, Finland.
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Open Source Conference Luxembourg
Date: 7th October || Mode: In-person || Location: Belval, Luxembourg.
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Date: 7th - 9th October || Mode: In-person || Location: Berlin, Germany.
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Date: 8th - 9th October || Mode: In-person || Location: Tallinn, Estonia.
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Date: 7th - 9th October || Mode: In-person || Location: Prague, Czechia.
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Embedded Linux Conference Europe
Date: 7th - 9th October || Mode: In-person || Location: Prague, Czechia.
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Date: 7th - 11th October || Mode: In-person || Location: Speke Resort Munyonyo,Kampala Uganda.
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Community Over Code (The Apache Software Foundation)
Date: 11th - 14th October || Mode: In-person || Location: Glasgow, Scotland.
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Date: 12th - 13th October || Mode: In-person || Location: Technopolis City of Athens, Athens, Greece.
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Date: 16th - 18th October || Mode: Hybrid || Location: Kongresshotel Potsdam, Berlin, Germany.
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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: 20th - 23st October || Mode: In-person || Location: Malmö, Sweden.
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Date: 21st 23rd October || Mode: In-person || Location: Athens War Museum, Athens, Greece.
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Date: 22nd - 23rd October || Mode: Hybrid || Location: Panama City, Panama.
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SeaGL (the Seattle GNU/Linux Conference)
Date: 23rd - 24th October || Mode: In-person & Virtual || Location: Seattle, Washington, USA.
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Date: 23rd - 25th October || Mode: In person & Virtual || Location: Kraków, Poland
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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: 7th - 8th November || Mode: In-person || Location: Sofia, Bulgaria.
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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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Open Source Monitoring Conference
Date: 17th - 19th November || Mode: In-person || Location: Nuremberg, Germany.
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Date: 28th November || Mode: In-person || Location: Seoul, South Korea.
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Date: TBD November || Mode: Hybrid || Location: Mexico City, Mexico.
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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.
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Date: 19th - 20th December || Mode: In-person || Location: Chennai, India.
- Southern California Linux Expo - SCaLE 24x
Date: 1st-4th April, 2027 || Mode: In-person || Location: Pasadena, CA, USA.