Skip to main content

All Questions

Tagged with
Filter by
Sorted by
Tagged with
5 votes
2 answers
169 views

Choosing an open source license for my up to now commercial project

I'm about to re-license my desktop application as open source software. For several years now, the application is published and sold under a commercial license. While working on a new version (...
z80crew's user avatar
  • 151
2 votes
0 answers
113 views

Are there any ways to distribute a program compiled from both CPL and AGPL source code?

GSDJVU is a CPL licensed driver for GhostScript (AGPL). According to DjvuLibre, it is legal to download the source code for both and compile them, but not to redistribute the compiled program due to ...
CasperScript's user avatar
3 votes
0 answers
26 views

If an MIT licensed repo relicenses to GPL3, is my derived project impacted in any way? [duplicate]

A year ago I participated in a group project to develop a small game for a class. My work involved level generation, and I later reused the code I wrote for the group project in a separate personal ...
deadClicks's user avatar
1 vote
1 answer
427 views

Do I have to remove the license on zLib-licensed code project in order for it to be integrated into a GPL3, Apache2 or MIT-licensed codebase?

As the title states, if I take one code project that is under a zlib license, and incorporate it into a GPL3, Apache2 or MIT-licensed codebase, do I have to remove the license from the code project ...
metamorphosis's user avatar
2 votes
1 answer
123 views

Can a copy-left licensed software mutate to a permissive one? Can a permissive licence mutate to a copy-left one?

I am a bit lost with license compatibility and re-licensing. See this example: Author Alice is author and holds copyright of software under GPL3. This software supports plugins. Author Bob authors a ...
Xavi Montero's user avatar
41 votes
2 answers
4k views

Do I have to change license of fork if mainstream changes license?

I forked a repository a year ago, which at the time had GPLv3 license. Mainstream repository has now applied AGPLv3 license. Do I have to change my license too ? My fork's last commit is over a year ...
Ataberk Özen's user avatar
2 votes
2 answers
110 views

Relicense a GPL 3 project which has other contributors

I am the author of an open-source program. I am the primary author, and the repository on github is owned by me. There are however, ~3 other individuals who have made a few dozen commits into the ...
AndrewGrant's user avatar
6 votes
1 answer
985 views

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

Wappalyzer has recently been re-licensed to MIT; however, it was previously licensed under GPLv3. I had opened an issue to clarify whether it was GPL-3.0-or-only, or GPL-3.0-or-later before this ...
oxr463's user avatar
  • 751
3 votes
1 answer
403 views

Distribute binaries of GNU GPL licensed project without source as copyright holder

I don't quite understand what I, the copyright holder of a project, am permitted to do according to the license I have given my project. I want the source code for most versions of the project to be ...
TwistyTurtleFish's user avatar
14 votes
5 answers
6k views

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

Essentially I am just testing out stuff, here is my situation: I am developing a program which consists of several code files. I made a public repository on github where I regularly update those files....
EVARATE's user avatar
  • 149
13 votes
1 answer
4k views

Can I change the license of a forked project to the MIT if the license of the parent project has changed from the GPL to the MIT?

Some time ago I have forked a project on the GitHub that used the GNU GPL v3 license. So I also had to use the GPL license in my fork. Recently, the author of the original project changed license to ...
Nina Lisitsinskaya's user avatar
7 votes
1 answer
304 views

org-rs: can I use MIT/Apache2/LGPL license?

I am working on a project https://github.com/org-rs/org-rs written in Rust programming language. The goal of the project is to provide a parser for the Org markup language. Because of the ...
Ngor's user avatar
  • 71
2 votes
2 answers
3k views

Is it legal to fork "gpl 2 or later" software and make "gpl 2 only" changes

I've found interesting open source project (mostly dead now) and I would like to fork it, fix some bugs and use it. The project is licensed under "gpl 2 or later", however I'm not big fan of "gpl 3", ...
graywolf's user avatar
  • 221
2 votes
2 answers
295 views

Relicensing from GPLv3 to GPLv2

I have an open source project on GitHub released under GPL3. I want to re-license it under GPL2. 99.9% of the program is written by me, only few lines of code is written by other people. Can I re-...
Madno's user avatar
  • 235
2 votes
1 answer
507 views

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

It is a common convention to include the full license text in a file named COPYING (or LICENSE) in the root folder of a repo. Sometimes, the developer: does nothing more (no copyright byline in the ...
lofidevops's user avatar
  • 2,080
4 votes
1 answer
468 views

Using FreeBSD licensed code in a GPL3+ project

I have a code project which I have released under the GPL3+, which you can see here. I would like to implement a section of code that would use the lmfit nonlinear fitting library, provided here. The ...
KBriggs's user avatar
  • 227
3 votes
1 answer
109 views

How would it be possible to distribute a GPL program with an Apache program?

A friend and I are making a program licensed under the Apache 2.0 license, and we would like to pull in code from one of his old projects licensed under the GPL 3.0 license, but I don't see a way to. ...
Piper McCorkle's user avatar
20 votes
3 answers
3k views

How do I upgrade from GPLv2 to GPLv3?

Consider I've written a program and released it under the GNU GPL version 2. Now I want to release it under the GNU GPL version 3. Let's call this "upgrading the license". Is this possible? How do I ...
user avatar
15 votes
3 answers
2k views

How does one combine differently licensed code in one open source program?

I'm the author of WorldPainter. It's licensed according to the GPL v3, but I am about to include some code (dynmap) that is licensed according to the Apache License version 2.0. According to both ...
Pepijn Schmitz's user avatar