The steward of the Open Source Definition, setting the foundation for the Open Source Software ecosystem.
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Announcing the 2027 State of Open Source Survey
The OSI has teamed up again with Perforce Zend and OpenLogic, as well as the Eclipse Foundation, for the 2027 State of Open Source Survey.
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Open Enables a Lot: The OSI at UNGA81
At UNGA81, OSI joined conversations on Open Source AI, digital sovereignty, and digital public infrastructure. Open by itself does very little but enables a lot.
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Linux’s 35th Anniversary and the Open Frontier
Members Newsletter – September 2026: Open Source is what it is because of the people who led us here, and keep us here. We all joined the community for different reasons, but many of us stayed because of the relationships and partnerships we built along the way, connections that run deeper than the code.
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Open Weights Are Good. Open Source Is Better.
With openness in AI making headlines, we must educate policymakers, producers, and users of these technologies about what open-weight and Open Source AI mean for the four software freedoms: the freedom to use, study, modify, and share without the need to ask for permission from the rights holder.
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We Must Open the Frontier: OSI, OFAI Support Calls for the U.S. to Develop More Open Models
The OSI joins the Open Forum for AI (OFAI) in supporting calls for the U.S. to develop more open models.