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For questions about changing the license of a work which has already been published under a different license (or published under all-rights-reserved copyright)

4 votes
Accepted

How can I add a license to an existing group project?

"License" is really just another word for "permission" -- putting a license on your code is roughly as simple as deciding that you want to grant some permissions to other people, and then adding docum …
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2 votes

Using only certain files out of GPL code

Insofar as the GNU GPL license allows modification, you may modify a GPL-licensed work to no longer include certain files while retaining other files. However, you may only perform such distribution u …
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  • 37.7k
1 vote

Is it a violation of the GPL (or any other license) for Linux images on Azure to have 'plans...

It sounds like these are all business-logic rules of Azure's VM-orchestration software. Since the software within the VM is GPL-licensed, you are legally free to download it and use it in a totally di …
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  • 37.7k
30 votes

Is it possible to change the current GPLv3 license to something else?

Anyone who received the code under the GPLv3 can redistribute it under those terms forever (and so, too, may those recipients, etc.) so if the set of recipients of your code so far is a nonempty set, …
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  • 37.7k
6 votes
Accepted

Does the Python Software Foundation License permit relicensing to the GPL?

You cannot re-license the individual PSFL-licensed work, because you are not the copyright holder and the copyright holder has not permitted you to do so. Python will remain under the PSFL; the only w …
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  • 37.7k
4 votes

Cloud and AGPL question

The company is free to stop offering new copies of their software under a particular license. Whether they can retroactively revoke a license already granted to someone is a very different question. …
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6 votes
Accepted

Relicensing a fork of a GPL project and source code distribution requirements

Since the project includes GPLv2-licensed parts, the entire work must be distributed under the GPLv2. It is true that a downstream modifier is free to say, "If you use my code that I contributed to t …
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  • 37.7k
7 votes
Accepted

Use LGPL code in an AGPL project

This is a little tricky because the LGPL and AGPL are not strictly compatible. For LGPL code that is linked to AGPL code, compatibility is not required, because LGPL-licensed can be linked to anything …
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  • 37.7k
14 votes
Accepted

If a project only includes a copy of the GPL, can it be relicensed under any version?

Your hunch of "no" seems correct to me. The GPL FAQ has this to say about standalone copies of the GPL without an explicit license grant: Is it enough just to put a copy of the GNU GPL in my reposito …
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18 votes
Accepted

How does re-licensing without the approval of authors work (eg, wikimedia case)?

any licensed material included on a wiki (below, "MMC" material on an "MMC site") posted prior to November 1, 2008 to be re-licenced under CC-BY-SA 3.0 by the wiki operators: An MMC is "eligible for relicensing … The operator of an MMC Site may republish an MMC contained in the site under CC-BY-SA on the same site at any time before August 1, 2009, provided the MMC is eligible for relicensing. …
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10 votes
Accepted

Upstream re-licensing project from GPL-3.0 to MIT allowed?

Wouldn't this change violate the terms of the previous copy-left license? It is indeed true that the GPL itself does not give permission to offer another's work under more permissive terms like t …
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  • 37.7k
6 votes
Accepted

Is it open source for allowing people who have access to the source act as if it's open source?

This comes down to whether you offer the code to the recipients under a true free/open license. The preconditions under which you freely choose to offer the code does not pertain to its status as free …
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5 votes

Is a repo with just a COPYING file GPL-X-only or GPL-X-or-later?

The licensing of a copyrighted work involves: a set of permissions (the license) and an association between a particular work and the license In this case you clearly have item #1 (the GPL is cert …
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  • 37.7k
4 votes

Is it possible to liberate source code through double-licensing changes?

The most obvious problem with this plan is that by including GPL-licensed code alongside code under a GPL-incompatible license, you might make it impossible for anyone else to distribute the software. …
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  • 37.7k
14 votes

Can I relicense my own GPL code into Apache/MIT?

If you hold the copyright to some code (usually, because you are the author), you may license that code however you please, and you may issue different licenses at any time. The matter of revoking pre …
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