Questions tagged [license-compatibility]

License compatibility is the comparison of two or more licenses to determine if certain usages and actions can be made. Use this tag if the question would like to determine the compatibility of licenses, or their individual clauses.

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7
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1answer
127 views

How to Audit licensing of old project?

I manage a project with a very long open source history - Zikula (and https://github.com/zikula/core). Zikula grew out of PHPNuke and PostNuke. Most of the oldest code is long gone, but some legacy ...
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2answers
2k views

Can I use a proprietary library in my GPL'd program?

The case of proprietary programs linking to GPL'd libraries has been discussed thoroughly. However the inverse case - a GPL'd program is linking to a proprietary library - is rarely mentioned. ...
7
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2answers
281 views

Can I make a derived work of a GPL project and a non GPL project for personal use?

In the GNU General Public License, version 2, some limits on how you can modify the Program are listed. Point 2.b states that (emphasis mine): You must cause any work that you distribute or publish,...
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2answers
421 views

Using GPL-ed library from code with more permissive license (MPL-2)

I'm writing a library and a tool on top of it, and I would like to release both under MPL-2. However, the library has an optional dependency, another library which is released under GPL (not LGPL). I ...
7
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1answer
48 views

In a Wikipedia article am I able to insert information licensed with CC BY even though they use a CC BY-SA license?

Background: While writing an article on Wikipedia I needed to include text that is licensed under a CC-BY license. After a bit of digging I found that Wikipedia uses a CC BY-SA license. Question: ...
7
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1answer
53 views

Can source code that is intended to be used with something with a restrictive license, still be licensed anyway the author wants?

If you make something that is to be used by something with a restrictive license (but not actually included in your work) can your work still have any license? This question asks about restrictive ...
7
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1answer
709 views

Is every license that is GPLv3-compatible also AGPLv3-compatible?

The GPLv3 and AGPLv3 are quite similar. They differ only by an additional requirement in the AGPL that makes a network service powered by a modified AGPL-licensed work operates like conveyance of the ...
7
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1answer
1k views

Compatibility between EPL and LGPL

I'm using LGPL binaries, as well as EPL binaries for my open source project. Is this OK? And if yes, does that mean I should license my project under LGPL? The binaries are being used as dependencies ...
7
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0answers
2k views

Can I copy code licensed under Apache 2 to a project licensed under MIT? [duplicate]

I found a useful class in a project that is licensed under Apache 2.0. Can I copy it to a project licensed under MIT license? Add the library as dependency is not an option. Ideally the answer should ...
6
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3answers
264 views

What does 'terms that are compatible with the GPL' mean?

From Octave's FAQ, Code written using Octave's native plug-in interface (also known as a .oct file) necessarily links with Octave internals and is considered a derivative work of Octave and ...
6
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2answers
243 views

Can I change the license of a GPL derived work to be more restrictive regarding version upgrades?

Specifically, the GPLv2. The creator of a work can allow people to upgrade to a higher GPL version: (emphasis mine) This program is free software; you can redistribute it and/or modify it under ...
6
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1answer
2k views

Do programmers use licenses properly?

First of all you need to know, that I've made a research on Internet and I've read dozens of topics. Moreover I asked another programmers about this issue. I still don't know what to do. The problem ...
6
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1answer
464 views

How can a GPLv2 dependency affect licensing of adjacent components that form an aggregate project?

I've read some of the GPL questions on here that seem relevant, but I haven't found an understandable answer for my particular case. I'll note them here for reference. When does a dependency imply a ...
6
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2answers
644 views

Can I publish my iOS app store app code to GitHub under MIT/GPL

I am about to start developing an iOS app which will be published on Apple App Store. While developing this app, I am thinking to push all the code to GitHub public repository; pull requests from ...
6
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1answer
926 views

Shipping GPL'd binaries in commercial product

I've read lots of discussion on shipping commercial products that link against GPLv2/3 libraries, and products that include code from GPLv2/3 software. But I haven't been able to satisfactorily answer ...
6
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1answer
126 views

Can an interpreted program be under any license without restricted by its GPL'ed run-time environment?

If I write a run-time environment based on some GPL'ed libraries and separately write an program interpreter which is passively used by the run-time environment, can a program (which is intended to be ...
6
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1answer
534 views

CDDL1 and GPL2 + classpath exception incompatible with GPL3?

I am about to decide on the license I can attribute to my free-libre open source software (FLOSS). I have used the Stanford Core NLP released as GPL3+. I have also used the JAXB API which, although ...
6
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1answer
281 views

License obligations when creating a statically linked executable

I've recently completed my first "real" game and although it's not much I'd like other people to be able to play it without having to compile from source and satisfy dependencies on their own. I ...
6
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1answer
364 views

LGPL3 library in Apache 2.0 licensed library

Can I open source my project under Apache 2 if it uses a LGPL3 library without modifying it? I'm not planning to distribute the LGPL3 library along with the code. My understanding is that LGPL3 ...
5
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1answer
193 views

Who owns the rights to a logo contributed to an open-source project?

I recently designed a logo for an MIT-licensed open-source project. That same open-source project has now launched a commercial offering under the same name (just using a .com instead of .org) domain,...
5
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2answers
214 views

What license for code resembles CC BY-SA most?

With the rise of much licensing debate around here on Stack Exchange, there's been a lot of arguments about having a license closest to the status quo. Initially, I would've thought that the closest ...
5
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1answer
92 views

Do I need to protect myself against liability (loss of data)

I've written my first app, to process images (user photos) on the phone. It writes to the jpegs on the phone, and maybe I'll add functionality to delete selected images. Do I need to protect myself ...
5
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3answers
217 views

Does a CC BY-SA 4.0 specification lose any AGPL3+ benefits?

If I release a program specification [1] under the AGPL, and the program itself under the AGPL, the two are obviously compatible: I can develop them at the same time, copy text (for example, method ...
5
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1answer
100 views

Using public domain code within Apache-or-MIT licensed project

I'm interested in borrowing functions from a file in a project dual-licensed as MIT-or-UNLICENSE in my package that I intend to also be dual-licensed as Apache-or-MIT. Is this possible? How should I ...
5
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1answer
865 views

Can a video game have a GPL licensed engine and GPL-incompatible licensed assets? What about scripts?

I've heard that it's possible to use a GPL game engine that interprets/loads/JITs a so-called Game Pack which contains all the important game files such as sprites, sounds, music, levels, missions, ...
5
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1answer
97 views

Integrating code without a patent license into a code base with a patent license

What issues are involved when taking code from (for example) MIT licensed code and including it in a Apache 2.0/GPLv3 licensed project. Does that mean that there is simply no patent license granted? ...
5
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1answer
170 views

Must CC BY-SA be included for ideas and code taken from Stack Overflow?

I'm still unclear about licensing. If I have a project on Github that's licensed under GPL and found pseudocode on a Stack Overflow question, must I now dual license my code on Github and GPL as ...
5
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1answer
73 views

Can I redistribute image containing GPLv2 and Apache2.0 software(packages) on Docker Hub?

I want to redistribute an image containing MySQL and Apache httpd. However, MySQL is GPL-2.0 licensed and Apache httpd is Apache-2.0 licensed. The two licenses are known to be incompatible. Do I have ...
5
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1answer
208 views

Does using an AGPLv3-licensed library prevent me from dual-licensing my own source code?

I wrote some software (a simple command-line utility) and released the source code under the following zlib-style open source license: Permission is granted to anyone to use this software for any ...
5
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1answer
95 views

Can CC BY 4.0 content be adapted into a CC BY-SA 3.0 work?

If an original work is licensed under Creative Commons Attribution 4.0 (CC BY 4.0), can an adapted work (i.e. derivative work) be made from it and published under Creative Commons Attribution 3.0 (CC ...
5
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2answers
78 views

Proprietary Software Leveraging GFDL data?

I am building a website that will allow users to enter preferences for certain things (we'll call them cars), and get suggestions for other "cars" that they may be interested in. Finding similarities ...
5
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1answer
142 views

LGPL license in a concatenated JS file

I came across an old project in which there's a LGPL licensed JavaScript code was used. The code had the commented LGPL license information, but it was in a combined JS file (Not minified though) ...
5
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1answer
716 views

Changing QT library licence for application from LGPL to commercial

I consider myself an amateur and the following is based on my limited understanding. I also live in Germany, but copyright questions would probably cross borders anyway. Situation Let's assume I ...
4
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6answers
820 views

Why don't BSD developers use the SSLeay addendum if they hate GPL?

It's not uncommon to see BSD developers upset that someone takes their project, does a few modifications, and then releases the resulting work under GPL, such that the resulting improvements can no ...
4
votes
2answers
208 views

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 ...
4
votes
2answers
341 views

Including resources with ambiguous license for GPL application

I'm creating a GPL v3 application. I've found some graphics on www.flaticon.com that I would like to use in the application. The application will be distributed as binary, but with the resources as-is ...
4
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2answers
210 views

License similar to GPL, but allowing to incorporate into the commercial version

Continuing this question: I want a license L which is generally like GPL, but allows us to do the following: License our software under both L and a commercial license. Require that every patch (or ...
4
votes
2answers
108 views

Is Open Public License suitable for libraries?

I would like to know if the Open Public License (OPL) allows library being bundled together or be a part of other code covered by other license (e.g. standard copyright - closed source code). I found ...
4
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2answers
62 views

Does Stack Exchange disallow me to use posted contents in an Apache 2.0 licensed project?

Content posted on Stack Exchange sites like Stack Overflow or Electrical Engineering are CC-BY-SA 3.0 licensed. User contributions licensed under cc-by-sa 3.0 See the footer of any SE site: As ...
4
votes
1answer
91 views

What does it mean to say two licenses are compatible?

If license A is compatible with license B, does it mean that one can combine code from those two and should be able to release combination under license B? or Is it just symmetric like 'A is ...
4
votes
1answer
402 views

Is GPLv3-only compatible with GPLv3+?

Suppose I'm working on a GPLv3-only project, and find some code licensed as GPL3+. Can I incorporate that code freely in my software without changing my license? If a hypothetical GPL v4 is released, ...
4
votes
2answers
201 views

Clarification: Dual licensed under the MIT or GPL Version 2 licenses

I've been reading the differences between these two licenses for a few hours now and it is still quite not clear to me how this duality works. As far as I understood, the MIT license basically gives ...
4
votes
1answer
79 views

How could I copyleft a document that contains a substantial amount of both code and prose?

I am writing a document in LaTeX that contains large sections of Python code and output. Typically, I like to license my writing under CC BY-SA 4.0 and my code under GPLv3. I have already placed a CC ...
4
votes
1answer
81 views

Open-source license that should aware if I want monetize my project

I'm creating a website. Some of functionaly is using open-source libraries from npm, github, etc. I want to monetize my sites using ads, or even I want to create some sites template and sell to ...
4
votes
1answer
199 views

Can GPL with linking exception be linked with GPL and non-GPL simultaneously?

Let's say I have: A GPL module with linking exception. A non-GPL module. A pure-GPL module. I know that module 1 can be linked with module 2. My questions are: Can I link module 1 with module 3? ...
4
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1answer
828 views

Bundling JetBrains OpenJDK in closed source software

I am developing a software that comes bundled with JDK. I am planning to use JetBrains OpenJDK for this purpose as it comes with swing support for HighDPI monitors. JetBrains OpenJDK can be found in ...
4
votes
1answer
235 views

GPL3 project with EPL library

I am making an opensource project and I would like to cover it with the GPL3 license. I also plan to use a library that is released under EPL license (https://github.com/forge/roaster). Is this ...
4
votes
1answer
213 views

What's the closest to GPL3 I can get while staying compliant with the EPL and APL?

The Eclipse Public License and the GPL (2 or 3) are not compatible. [ ... ] you may not combine EPL and GPL code in any scenario where source code under those licenses are both the same source code ...
4
votes
1answer
3k views

Why doesn't FFmpeg distribute a binary with libfdk_aac enabled?

From the FFmpeg's Encode/AAC page: The licenses of libaacplus, libfaac, and libfdk_aac are not compatible with the GPL, so the GPL does not permit distribution of binaries containing code ...
4
votes
1answer
406 views

Take portion of MIT license library, and redistribute in new library

I am currently writing a java library that I intend to release under MIT license. Right now I have drawn on another MIT license library. I would like to only use a couple source files/classes from ...