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October 1 – 3, 2025

A 3-day Virtual Event on Data Governance, and Open Source AI

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OUR 2025 roadmap to a stronger ecosystem

Strengthening collaborations with legal experts, policymakers, and maintainers, as well as addressing the complexities of the Open Source Definition in the age of AI.

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THE open source ai definition 1.0

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About the Open Source Initiative

The OSI is the authority that defines Open Source, recognized globally by individuals, companies, and by public institutions.

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From the blog

Open Source Initiative Helps G7 Deliver Vision On AI Openness
On May 29, 2026 in Paris, G7 Digital and Technology ministers approved a “Vision on AI openness opportunities and shared language”. The vision, which sets out terminology around AI openness, is the result of a three-month …
Open Source Organizations Weigh in on Age Attestation
The Open Source Initiative (OSI), Apereo Foundation, FreeBSD Foundation, and Open Source Technology Improvement Fund (OSTIF) issued the following statement on age attestation requirements for operating systems.
Open Technology Research Symposium 2026 Opens Call for Proposals
The OSI is pleased to support the inaugural Open Technology Research (OTR) Symposium 2026, taking place on 26–27 October 2026 at the historic University of Barcelona. The Call for Proposals is now open through 5 July …
Listening, Learning, and Building Together at OSI
Members Newsletter – May 2026 OSI Executive Director Duane O'Brien: I expect my listening tour will continue for a little while as I make the rounds to meet as many of our stakeholders as I can. …
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Upcoming Open Source Events

June 2026

Berlin Buzzwords

Berlin Buzzwords

June 7, 2026 - June 9, 2026    
12:00 am
Berlin, Germany
Berlin Buzzwords is Europe’s leading conference for modern data infrastructure, search and machine learning and is focused on open source software projects.
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UN Open Source Week 2026

UN Open Source Week 2026

June 22, 2026 - June 26, 2026    
12:00 am
NYC, United States
UN Open Source Week 2026 is the premier global forum for advancing open source collaboration in direct support of the Sustainable Development Goals (SDGs) and [...]
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July 2026

Open Source Innovation Days 2026

Open Source Innovation Days 2026

July 1, 2026 - July 2, 2026    
12:00 am
Berlin, Germany
We are excited to invite you to the Open Source Innovation Days 2026. As a valued community member, we would be honoured to have you [...]
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