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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5
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1answer
197 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 ...
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1answer
112 views

How can a paid/proprietary module be combined with an open-source platform?

How could licences be chosen to allow this? As an example, how are things done with paid addons with Prestashop?
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1answer
469 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 ...
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1answer
2k 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 ...
2
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1answer
488 views

License of a Linux distribution

I'm helping a medicine student to build a Linux distribution which should include some imaging processing tools. The aim is give to the other students a bootable USB stick to be used for their ...
4
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1answer
229 views

Is the Mozilla Public License 2.0 compatible with the Google Chrome Web Store?

I am working on a Mozilla Firefox Add-on licensed under the MPL-2.0, and just got asked by a user if I have a version for Google Chrome. I'd like to say yes and accommodate this request. However, ...
4
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1answer
120 views

Image copyright in GNU FDL-licensed documentation

I'm creating the documentation for a small FOSS project of mine. I intend to release such documentation under GNU FDL version 1.3. I have one question, though. Someone else has made a graphic art ...
2
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1answer
523 views

What is the licensing for ART (Android Runtime)?

Dalvik was licensed under the ASL on the premise that it was reverse engineered: Licensing and patents Main article: Oracle v. Google Dalvik is published under the terms of the Apache License ...
2
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1answer
56 views

Complex mix of licenses for stand-alone installer, and the softwares it installs

I'm writing an installer for some softwares, and wish to make the installer stand-alone, i.e. everything baked into a single executable. One of the softwares that are installed has GPL 3, built from ...
4
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1answer
396 views

Can software released under the Boost software license be relicensed under the Zlib/Libpng License?

I came across a library on GitHub (now Zlib/Libpng licensed) that is a fork of a library that was originally released under the Boost software license. Is it legitimate/legal to relicense boost ...
4
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1answer
448 views

Can this NVIDIA licence be used for GPL open source product?

For my GPL open source software I use LGPL-based libraries. I recently found a very useful NVIDIA SDK which I would like to use for my software. NVIDIA is using its own license, and I have difficulty ...
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1answer
30 views

Is BioDigital's usage of inline Wikipedia textboxes in complience with CC-BY-SA

In its anatomy browser BioDigital has a feature where the website displays text that it doesn't license under CC BY-SA. At the end of that text the user can click on "Read more". If he does an inline ...
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2answers
100 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 ...
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1answer
674 views

Is it possible to link GPLv2 libraries for Android project

Apache License, Version 2.0 is not compatible with GPL version 2, according to GNU and Apache websites. I worry is it possible to make Android projects under GPLv2 license, because, Android SDK, ...
4
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2answers
404 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 ...
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2answers
523 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 ...
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3answers
1k views

Can I distribute a BSD code with GPL v3 binaries?

I found a GPL v3 licensed library, that I can compile for various architectures and use in the code for a BSD licensed project. This means that I probably have to distribute the binaries with it. ...
2
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1answer
1k views

Relation between the creative commons license and the patent process

I have an algorithm. I'd like to publish this in an open access journal under the creative commons license. But I'm also considering a patent. How do these processes sit together? Does publishing in ...
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 ...
2
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2answers
124 views

If I don't modify a work, can I redistribute it under a compatible license?

Certain licenses are listed as compatible with CC-SA on their website. If I have something that is CC-SA, say, version 3, can I redistribute it under CC-SA version 4, even if I made no modifications. ...
6
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1answer
4k 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 ...
6
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2answers
268 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 ...
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2answers
334 views

Can I use Stack Overflow code by creating a LGPL library of code snippets first and then linking to that library?

All code posted on Stack Overflow is currently licensed under CC-BY-SA. If the code crosses the "threshold of originality", you have to distribute your whole project under a copyleft license. This may ...
7
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2answers
990 views

Proprietary software made of free software parts

Is it possible to use free software libraries or parts of a free software system in proprietary software without violating the licenses? In other words, can I build a system that uses some parts of a ...
4
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1answer
198 views

GPLv3 With Section 7 Exception Linked to LGPLv3

As a follow up from GPL V3 with OpenSSL Exception, I'm curious about linking an LGPLv3 project with a GPLv3 project that has a special exception for OpenSSL. In the answer to the aforementioned ...
9
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1answer
90 views

How to deal with third party libraries?

I'm working on a project I would like to release as an open source project in the future. In my work I'm using a number of third party libraries, either from open source projects or released to the ...
17
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1answer
2k views

GPL V3 with OpenSSL Exception

I've decided to license some code I have yet to release under the GPL v3. However, OpenSSL is used quite a bit in the software and I know that the two licenses are explicitly cited as being ...
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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. ...
13
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2answers
1k views

Is Stack Exchange's CC-BY-SA v3.0 content compatible with the GPL?

Currently, all user submitted content is licensed under "cc by-sa 3.0 with attribution required". This shows up at the bottom of each page: user contributions licensed under cc by-sa 3.0 ...
3
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1answer
80 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. ...
7
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2answers
538 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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2answers
402 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 ...
4
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1answer
344 views

What license should I release my code under? It contains FFmpeg binaries, code from NAudio and code from FFmpeg.Autogen

I want to release my WPF Media Element based on FFmpeg on GitHub. I want to be as permissive as possible. I believe that this control could be of great help to a ton of people. Here are the links to ...
5
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1answer
100 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 ...
12
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2answers
3k views

Can I license Python project under 3-clause BSD while it has GPL-based dependencies

I'm working on an open source Python project and we have plans to use GPLv2-licensed library python3-xlib, but we will not distribute it with our library. So user can install it by pip install our-lib ...
3
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1answer
149 views

Is a ROM image an “executable file” for GPL purposes?

I am planning to include a program covered by the GNU General Public License and a GPL-incompatible program in a collective work designed for a machine that executes programs from a cartridge ...
4
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1answer
945 views

Software license with external libraries

Scenario I plan to share the source code of a larger software that depends on external libraries. The directory structure of the project is as follows src/ ... my source code ext/ ... ...
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0answers
54 views

How to license a mashup? [duplicate]

I have designed a mashup that uses open source software. A substantial part of another open source project was used and the software of that project was made available under the MIT license. There is ...
2
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1answer
317 views

Are CDDL and MPL compatible with each other?

Sun's CDDL is based on Mozilla's MPL, and is expectedly incompatible with GPL. What about the MPL itself? Is the CDDL compatible with the MPL?
13
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5answers
6k views

Are CDDL and GPL really incompatible?

Wikipedia seems to suggest that CDDL and GPL are incompatible, yet no one knows for sure why or how. Why and how are the CDDL and GPL are incompatible?
2
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2answers
163 views

Can a CDDL project import a BSD file without re-/double- licensing?

I'm a bit confused on how CDDL interfaces with other licences. If I want to modify an existing CDDL project, by introducing an extension — implementing a certain feature in a new file — ...
11
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2answers
761 views

Can I use GPL v3 for source code and CC BY-SA v3 for comments?

I have some source code for which I am the copyright holder. I want to release it under the GPL, but when it was closed source, I copied a bunch of a stuff from Wikipedia for a couple of classes and ...
4
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6answers
1k 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 ...
12
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1answer
539 views

Is it possible to release a project under the GPL if it contains MIT-licensed libraries?

Specifically the Symfony PHP framework, which is MIT licensed. I've read that the two are compatible, but I want to make sure that a system I develop can be released complete under the GPL.
11
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2answers
433 views

What counts as adaptation for using code licensed under CC BY-SA 4.0 in software licensed under GPLv3?

Since 2015-10-08, GPLv3 is listed as one-way compatible license for CC BY-SA 4.0: […] you may license your contributions to adaptations of BY-SA 4.0 materials under GPLv3, but you may not license ...
10
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3answers
569 views

Can I use CodeProject code in a GPL project?

I have an open-source project that I originally wanted to license under MIT, but since I'm using a GPLv3 component that I can't quite get rid of (namely, the .g4 ANTLR grammar file that I'm using to ...
9
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3answers
675 views

What is the copyright status of Colossal Cave Adventure?

What is the copyright status of the source code of “Adventure” (also known as Colossal Cave Adventure)? There is a good record today of the history of Adventure. Specifically: The 1975–1976 Crowther ...
13
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1answer
3k views

How to licence a project which includes MIT, BSD, Modified BSD, and New BSD libraries

I've been working on a project for a while, and I'm almost ready to release it, but I've been more concerned with getting it to build than legal considerations, and now I'm not at all sure where I ...
3
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0answers
58 views

Difference between creative commons and GPL? [duplicate]

Why shouldn't I release code under a Creative Commons License? For me the CC-BY-SA sounds very nice and is quite more readable than a whole GPL license, so I would like to know why its such a bad ...
17
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2answers
6k views

Why is GPLv2 incompatible with GPLv3?

As I understood in this wonderful answer, GPLv3 and GPLv2 code can't be used simultanously in the same product. Why?

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