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Permissive and Copyleft Are Not Antonyms

Using the term “permissive” as an antonym to “copyleft” – or “restrictive” as its synonym – are unhelpful framing. Describe...

July 7, 2017 Post
OSI Board Meeting Minutes, Saturday, February 27, 2010 (Face-to-Face meeting, Raleigh)

Attendees Board Members Mr. Michael Tiemann, President Mr. Ken Coar, Director Ms. Danese Cooper, Treasurer Mr. Harshad Gune, Director (joined...

June 6, 2011 Meeting Minutes
The Approved Open Source Licenses never looked better

A license-review project has been underway with the goal of creating a systematic and well-ordered database of all the licenses...

September 7, 2023 Post
Should we use open source licenses for ML/AI models?

Part of the Deep Dive: AI Webinar Series Open source AI models are exponentially increasing in number and the variety...

October 14, 2023 Page
Top Open Source licenses in 2025

The Open Source Initiative (OSI) serves as the premier resource for millions of visitors seeking essential information about OSI-Approved licenses....

December 17, 2025 Post
Building Public Data for LLMs

Part of the Deep Dive: Data Governance Webinar Series As the capabilities and influence of large language models (LLMs) continue to expand,...

October 7, 2025 Page
Top Open Source licenses in 2024

The Open Source Initiative (OSI) serves as the premier resource for millions of visitors seeking essential information about OSI-Approved licenses....

December 23, 2024 Post
OSI Board Meeting Minutes, Wednesday, Octiber 8th, 2014

Board MembersMeeting called to order 16:07 UTCDeb BryantRichard FontanaAllison Randal: (Arrived, 16:25 UTC)Patrick MassonMIke Milinkovich (Departed, 11:30)Bruno SouzaTony WassermanStefano "Zack"...

January 12, 2015 Meeting Minutes
Common reasons for rejection of licenses

An express statement that no patent license is granted. The failure to grant a patent license means the license fails...

February 29, 2024 Page
Patents and Open Source: Understanding the Risks and Available Solutions

Why Patents Licenses Matter: The Benefits of Explicitness Although most people think of Open Source licenses as primarily creatures of...

December 4, 2025 Post
January 2019 License-Discuss Summary

In January, the License-Discuss mailing list discussed: * the opensource.dev info site * Open Data * “intimacy” in Open Source...

February 4, 2019 Post
State of the Source at ATO 2025: State of the “Open” AI

In October, the OSI hosted the State of the Source Track at All Things Open designed to connect developers with...

November 5, 2025 Post