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Academic Free License v. 3.0

This Academic Free License (the "License") applies to any original work of authorship (the "Original Work") whose owner (the "Licensor")...

October 31, 2006 License
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
Copyrights and patents not so important, economist says

Michele Boldrin of Washington University in St. Louis talks with EconTalk host Russ Roberts about intellectual property and Boldrin's book,...

May 18, 2009 Post
International Authority & Recognition

The Open Source Initiative (OSI), Open Source Definition (OSD) and OSI Approved Open Source Licenses are internationally recognized, and affirmed...

April 21, 2015 Page
The Nethack General Public License

Copyright (c) 1989 M. Stephenson (Based on the BISON general public license, copyright 1988 Richard M. Stallman) Everyone is permitted...

October 31, 2006 License
Lawrence Berkeley National Labs BSD Variant License

Copyright (c) XXXX, The Regents of the University of California, through Lawrence Berkeley National Laboratory (subject to receipt of any...

August 15, 2019 License
GNU General Public License, version 1

Copyright (C) 1989 Free Software Foundation, Inc. 675 Mass Ave, Cambridge, MA 02139, USA Everyone is permitted to copy and...

August 31, 2010 License
2023 in review: many reasons to celebrate

The year of 2023 was a busy one for the Open Source Initiative (OSI), as we celebrated the 25th Anniversary...

December 13, 2023 Post
What I Learned from the Libertarians

Earlier this summer I attended an event featuring Diane Rehm, host of The Diane Rehm Show. At a time when...

August 16, 2007 Post
Upstream Compatibility License v1.0

This Upstream Compatibility License (the "License") applies to any original work of authorship (the "Original Work") whose owner (the "Licensor")...

June 1, 2017 License
The Open Software License 3.0

This Open Software License (the "License") applies to any original work of authorship (the "Original Work") whose owner (the "Licensor")...

October 31, 2006 License
Frequently Answered Questions

Here are answers to questions we are frequently asked. If you have a question not addressed here, please contact us. Basics...

October 21, 2007 Page