The steward of the Open Source Definition, setting the foundation for the Open Source Software ecosystem.
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Open letter: Harnessing open source AI to advance digital sovereignty
Europe is at a crossroads. The Summit on European Digital Sovereignty marks an important milestone for the EU and its member states in aligning on a shared strategy for achieving real and lasting European digital sovereignty. As the EU pursues the goal of digital sovereignty, we urge you to harness open source — that is, technology that is free to use, inspect, adapt, and share — as a key enabler of this strategy.
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Sustaining Open Source: The Next 25 Years Depend on What We Do Together Now
Open source is suffering from its own success. The ecosystem that once thrived on volunteer energy now faces existential questions: How do we sustain the infrastructure that powers the modern world? The answer isn’t just money—it’s people, governance, and collaboration. We need companies to invest not only funds but also employee time, foundations to work together instead of in silos, and communities to plan for the full lifecycle of projects. The next 25 years depend on what we do together now.
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Must-See Recordings Now Available
Members Newsletter – November 2025
October was punctuated by lots of direct connections with the community. In this month’s newsletter, we’ll highlight our experience through our annual “State of the Source” track at All Things Open; discuss our advocacy on behalf of the Open Source community through our public policy work; and share the recorded sessions from outstanding contributors to the Deep Dive: Data Governance virtual event.
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Help us improve the EU Cyber Resilience Act Standards!
As the deadline for the application of the CRA draws closer, the OSI is happy to announce the beginning of an Open consultation on many of the vertical standards.
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State of the Source at ATO 2025: State of the “Open” AI
The OSI hosted the State of the Source Track at ATO. Gabriel Toscano from Duke University led the State of the “Open” AI session, unpacking what it really means when models call themselves open.
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