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Introducing the new API for OSI Approved Licenses®

The Open Source Initiative (OSI) is excited to announce the availability of a new API service providing access to the...

June 19, 2025 Post
European Union Public Licence, version 1.2

Please see https://joinup.ec.europa.eu/community/eupl/news/understanding-eupl-v12 for translations of the EUPL-1.2 into various European languages. (This matrix showing the EUPL-1.2's compatibility with other...

November 2, 2011 License
OSET Public License version 2.1

© 2015 ALL RIGHTS RESERVED VERSION 2.1 THIS LICENSE DEFINES THE RIGHTS OF USE, REPRODUCTION, DISTRIBUTION, MODIFICATION, AND REDISTRIBUTION OF...

December 6, 2015 License
OSI’s responds to NTIA on widely available AI models

The Open Source Initiative is pleased to share their formal response to the US National Telecommunications and Information Agency (NTIA)...

April 2, 2024 Post
Public Domain Is Not Open Source

Open Source and Public Domain are frequently confused. Here’s why it’s a mistake to treat the two terms as synonyms....

July 28, 2017 Post
GNU General Public Licenses

This license, commonly known as the GPL, has two versions that are actively and widely used in many open source...

February 5, 2008 Page
April 2019 License-Review Summary

In April, the License-Review mailing list saw extensive debate on the Cryptographic Autonomy License, in particular: * its user data...

May 6, 2019 Post
Policy on Public Communications and Archives

Public forums, which for example include all mailing lists, discussion forums, wikis, issue reporting systems, are essential to The Open...

March 18, 2016 Page
Licence Libre du Québec – Réciprocité forte version 1.1

1. Préambule Cette licence s’applique à tout logiciel distribué dont le titulaire du droit d’auteur précise qu’il est sujet aux...

January 18, 2016 License
Saving What’s Ours: The Data Rescue Project and the Fight for Public Data

Part of the Deep Dive: Data Governance Webinar Series The Data Rescue Project (DRP) emerged as a collaborative effort to protect and...

October 7, 2025 Page
How can the society as a whole maintain control of AI systems?

How can the society as a whole maintain control of AI systems? Transcript from October 13th Deep Dive: AI Society...

November 3, 2022 Page
May 2019 License-Review Summary

In May, the License-Review mailing list saw extensive debate on the Cryptographic Autonomy License. The list also discussed a BSD...

June 3, 2019 Post