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Questions tagged [relicensing]

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)

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95 votes
6 answers

How can a project be relicensed?

I've found out that the license I picked for my project does not quite do what I wanted it do (bad research). Now I want to change the license. Is it as simple as changing the LICENSE.txt in the root?...
ratchet freak's user avatar
51 votes
5 answers

Can there be a copyright on negative code?

This is a hypothetical question, but I am curious. Feel free to ignore it, when it seems too theoretical for you. Some people may know the situation that you implement a feature and in the end you ...
allo's user avatar
  • 781
39 votes
7 answers

Can I take BSD licensed code and distribute it under GPL?

Or in more general terms: Can I take code which is licensed under a permissive open source license (like the BSD license) and distribute it under a copyleft free software license (like the GPL)? ...
Lesmana's user avatar
  • 493
79 votes
3 answers

If I change the license of my project, can someone use the old license by navigating through Git history?

I am creating an open-source library in JavaScript and using Git to control versions and history. I have several commits in which the LICENSE file is X (for example, MIT), but I would like to change ...
Pedro A's user avatar
  • 899
28 votes
4 answers

If I include some GPL code in my project, can I release it as BSD?

I have scientific software that I would like to release under the BSD 3-clause licence, but it includes some old code that was released under GPL. Can I still package it all and release as BSD?
mirams's user avatar
  • 417
18 votes
5 answers

May someone else apply a license to CC0 material?

Alice licensed her work under CC0 1.0. May Bob take Alice’s work and publish it under another Creative Commons license (e.g., CC BY-SA)? If yes, may Bob publish it under his own name (i.e., not ...
unor's user avatar
  • 5,670
9 votes
1 answer

How should I re-license the scaffold code for my new application? (it is licensed under MIT)

If you notice the following scaffold starter kit source code is licensed under MIT throughout the code base. Even the configuration file contain a header of MIT licensed by the creator. Assuming, I ...
Yeo's user avatar
  • 191
1 vote
1 answer

Can I change license of my GPL project? [duplicate]

I have created a project from scratch and made it available online under the GPL license. Can I release a new version of the same project that does not have the GPL license? I would also like to know ...
Mr. Developerdude's user avatar
66 votes
2 answers

Relicensing content under CC-BY-SA

I have compiled a body of work from numerous contributors, who all licensed their individual works to me under CC-BY-SA version 3. Can I now instead redistribute their work under CC-BY-SA version 4?
Prof. Falken's user avatar
35 votes
7 answers

Is it possible to close an open source project?

If yes, what are the consequences of Open Source projects being discontinued, if it's done by a large organization? As per this post, the older version of project can still be used under the same old ...
Ankit Popli's user avatar
20 votes
2 answers

Can I license a project which I have already released without a license?

If I have put my code in one of the online repositories and have made it public but haven't licensed it... (to which the policy is that you retain the copyright). Is it enough to just commit a ...
G.Rassovsky's user avatar
  • 3,047
16 votes
1 answer

Relicensing an MIT licensed project under the GPL that has non code contributions from others

I have an Android Game I've written that I released under the MIT license. Recently, there have been several people who have downloaded the source of my application, added ads and uploaded it to the ...
linuxuser's user avatar
  • 163
26 votes
1 answer

How to deal with licences after forking a project?

I forked a project with an MIT license on GitHub: The MIT License (MIT) Copyright (c) 2012 Some Name Permission is hereby granted, free of charge, to any person obtaining a copy of this software ...
Edward's user avatar
  • 363
18 votes
2 answers

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

Suppose that I distribute my own code with a GPL license, even though the code use just external MIT or Apache code. In particular, no preexisting GPL code is in it. Can I later relicense it under ...
Rexcirus's user avatar
  • 307
17 votes
3 answers

How can I protect the code from being 'rephrased' by AI to avoid license limitations?

I'm thinking of such issue (from the position of an open source/source available software developer). In our days it is very easy to rephrase every text with the help of AI so that the meaning remains ...
chm's user avatar
  • 271
14 votes
2 answers

Is putting a page with javascript in it considered a redistribution

Imagine, I published a page on the web. It contains some javascript code, which uses open source library. Is it in general considered redistribution? On one hand, it's a redistribution. You put code ...
Konstantin Solomatov's user avatar
13 votes
1 answer

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

Wikipedia (and any other Wikimedia product) change to a dual licence since 01/08/2009. As I understand, that implies they redistribute GFDL licensed text in CC-BY-SA without asking every author (wich ...
ESL's user avatar
  • 263
11 votes
2 answers

Is a license bound to a commit?

Lets say there is some software hosted in a public github git repository under some license A. The owner and copyright-holder now decides to relicense the source-code to another license B. If i would ...
tkausl's user avatar
  • 213
11 votes
4 answers

Remove BSD LICENSE file while importing code into GPL project

Can LICENSE file be removed from 3rd party BSD project that is merged with GPLed code? There are license headers in each file, but files will be modified, so BSD license in them will no longer be ...
anatoly techtonik's user avatar
9 votes
2 answers

Does it make sense to license my content under a more restrictive license if it's licensed CC-BY-SA?

Let's say that I make a post on a Stack Exchange site. That content is owned by me, but I gave the company a perpetual and irrevocable license under Creative Commons Attribution Share Alike 3.0. As ...
Thomas Owens's user avatar
  • 1,682
8 votes
3 answers

Can someone re-license an adaptation of my CC BY-NC materials under commercial terms?

In the comments below this answer, it is stated that while there is no ShareAlike clause (that would be CC BY-NC-SA), you would not be allowed to re-license Adapted Materials under commercial terms. ...
Free Radical's user avatar
  • 9,085
7 votes
2 answers

Why does the clause 3 of 4-clause BSD makes it incompatible with GPL?

As explained on the GNU GPL site, the 4-clause BSD is incompatible with GPL because of the clause 3 which states: All advertising materials mentioning features or use of this software must ...
Dmitry Grigoryev's user avatar
7 votes
2 answers

Does the BSD licence implicitly apply to derived work?

Moved from the discussion of this answer, which makes the following claim about BSD licences: The 3BSD licence requires (in clause 1) that your copyright notices be preserved, and that some licence ...
mathrick's user avatar
  • 171
7 votes
2 answers

Global donor to OSI approved licenses

I have some small projects under different open source licenses (I like BSD and GPLv2). I would like to license some new projects under an OSI approved license but make sure any other OSI-approved ...
dashesy's user avatar
  • 181
6 votes
1 answer

Who is responsible for code being in the public domain?

Recently, I wanted a certain functionality that can be difficult to implement due to many special cases and subtle details in technical specifications. So I did a websearch and quickly found existing ...
Marco13's user avatar
  • 161
6 votes
2 answers

Which licenses do "not contradict the terms and conditions" of AFL v. 3.0?

The Academic Free License 3.0 explicitly allows distributing copies of the work "under any license of your choice that does not contradict the terms and conditions, including Licensor's reserved ...
Jellby's user avatar
  • 271
5 votes
1 answer

How to retain complete copyright on a GitHub open source project

I'm about to start a project and make it 'open source' cause I really like it, and would fit perfectly my project spirit. The project is divided in 2 parts: The main application, whose anyone could ...
Alex DG's user avatar
  • 133
5 votes
1 answer

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

(Reposted in here because this is the more correct section.) So the situation is this: I run a project which is a fork of an emulator licensed under GPL v2, my fork respects that and has not ...
J. de C.'s user avatar
4 votes
1 answer

Merge, rebrand, relicense projects

There are two libraries under MIT, that do the same thing, each with some pros and cons. I'd like to merge them, effectively reworking the public API, but keeping the underlying logic (code). The ...
Lukáš Novotný's user avatar
4 votes
0 answers

How can i change the license of an open source project? [duplicate]

What is the good way to change the license of an opensource project? I guess it depends of the agreements of the contributors Do i need 100% approval? What if one contributor disagree or one ...
GuillaumeThomas's user avatar
4 votes
1 answer

Can LGPL 2.1 licenses software be re-published under GPL 3.0?

I have software licensed under LGPL 2.1 and I want to modify it and re-publish the whole software under the GPL 3.0 license. Is this legally possible? I think so, but I'm not completely sure. LGPL 2....
NoDataDumpNoContribution's user avatar
3 votes
1 answer

What must you include in a derived work of an MIT project?

I am very confused about how the MIT license works in detail. In layman's terms, I understand the following: If you distribute copies of MIT source, then you must include the license, and the rights ...
preferred_anon's user avatar
3 votes
1 answer

How did memtest86 transition from GPL to closed-source?

Memtest86, a popular software for RAM diagnostics, was initially developed as open source (GPLv2). Version 3 was forked into a separate project, Memtest86+, also distributed under GPL terms. Source ...
Dmitry Grigoryev's user avatar
3 votes
1 answer

Can I take MIT licensed code and distribute it under BSD?

There is django-auth-kerberos (MIT) which I want to cherry-pick as initial implementation and include+modify as a plugin to python-social-auth/social-core (BSD). Does the MIT license permit this? Are ...
Alexander Todorov's user avatar
2 votes
1 answer

Copyright of modifications and derivative works of Python License 2 licensed software

I am writing a Python package in which I plan to vendorize a modified copy of part of another package that was released under Python License 2 (it is not part of the PSL and not subject to any other ...
ipetrik's user avatar
  • 123
1 vote
1 answer

Most fitting software license for customized client work?

I am struggling with this question about a GitHub project of mine (MIT license). A client wanted me to customize it in a certain way and sell him the customizations (the customizations do not work ...
code_gamer's user avatar