Questions tagged [gpl-3]

The General Public License, offered by GNU. Use this tag if the question involves version 3 of the license.

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22 views

Using GPL v3 for GitHub repo with no source code

I am planning to create a GitHub repo containing a summary of commands to be used as a reference. Some of these commands with a combination of unique flags have been used in the source code of a ...
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1answer
20 views

Do we have to choose a GPL License when we use MIT, GPLv.2+, LGPL2.1, LGPL3, Apache 2.0 licensed libraries in our distribution?

Our question more specific would be if the whole work has to be published (a must) under GPLv.3 or LGPLv.3 as the used gettext.inc, gettext.php, streams.php are GNU GPLv.2 or later and Smarty is ...
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1answer
41 views

Can we modify LGPLv3 license based ERP and change the license to private?

My client wants to use an opensource ERP named Odoo. However modifications like name, UI and languages support would be required. Also the license need to be private onwards If it is permissible under ...
4
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1answer
41 views

Web Frontend uses GPL3 Library

I've heard that license conditions must be applied if only I want to distribute my app. But, if I have a frontend and I use GPL3 licensed library on it, does that count as distributed? Do I need to ...
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2answers
29 views

Freely distributing software with third-part libraries and including R engine and packages

I want to freely distribute a software I developed, very demanded in a specific research and academic field. That's why it's important for me to distribute it freely at least in binary form (easy to ...
2
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1answer
23 views

Is an installer/build script a GPL3 derivative work?

I'm currently creating installers/builders which will allow a specific Linux distro to be installed in a bunch of different container frameworks (Such as Docker). The distro is licensed under GPL3. Do ...
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1answer
25 views

How to interpret the SSPL terms on licensing the service under SSPL?

The SSPL as used by MongoDB is a license based on GPL, but not OSI-approved, thus programmes under that license would e.g. not fall under the topic of this community here. Now, reading through the ...
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1answer
14 views

Deploy GNU GPLv3 licensed SaaS application with custom pricing and closed source enhancements

I want to deploy a SaaS application (Licensed GNU GPLv3) and offer to 3rd parties with my own pricing model. I have few doubts with respect to the license and future development on the same. Can i ...
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5answers
2k views

Choosing the most restrictive open-source license

I am working on a not open source project. As I truly respect the ideas behind the free software movement, I would like to also make my own works open source whenever possible. However, I am not the ...
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2answers
3k views

Can I share a cracked version of a program originally under GPL v3?

The original program is open sourced under GPL v3, but asks for a fee to use it. I did not pay for it, but I'd like to share the no-fee version I compiled with my college friends (obviously under GPL ...
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1answer
30 views

GPL 3.0 license compatibility with this custom license

I want to use paulscode sound system (http://www.paulscode.com/forum/index.php?topic=4.0) in GPL-3.0 licensed open source project. The library has the following license (it seems it is custom written ...
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1answer
39 views

Explicit linkage of GCC STL source code in end user's code - GPLv3 + GCC runtime exception

My question is related to GPLv3 and GCC runtime exception. I need to include GCC source code in my project. I am an author of an embedded library that is intended to be built using GCC C++ compiler ...
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1answer
39 views

Does the use of GCC small macros and linker variables make my work GPL?

when using AVR or ARM toolchains for Atmel microcontrollers, is using GCC macros such as __AVR_...__ or linker variables making my code GPL? I know GCC is covered by "GPL 3.0" + "GCC ...
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2answers
79 views

Why is the GNU GPL v3 compatible with the Apache License v2.0?

I understand that the GNU GPL v2 and Apache License v2.0 are considered incompatible. The FSF's License List explains that this is "because [Apache] has some requirements that are not in that GPL ...
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1answer
72 views

Understanding GPL & LGPL: Free Software with zero-cost, proprietary libraries

Background: This question is derived from a previous question. I am writing a Blender add-on which enables the use of Blender with a piece of hardware (i.e., a lightfield display). Blender and the ...
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1answer
19 views

Can i add copyright and license to a web template with a license?

I downloaded this template for my website & built my website over it. The template license says: This Bootstrap template is 100% FREE as long as you keep the footer attribution link. You do not ...
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3answers
72 views

Understanding GPL: Blender Add-on + System Library

Basic Information I am writing a Blender add-on which enables the use of Blender with a piece of hardware (i.e., a lightfield display). Blender and the use of the specific Python API, which is ...
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2answers
47 views

Call GPL functionality from non-GPL interpreted code

I have code written in R, an interpreted language. The R interpreter and most R libraries are under the GPL. What are the limits upon my code, if I want to distribute it while keeping it proprietary ...
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1answer
47 views

Is there any reason not to always use the AGPL over the GPL?

The AGPL is mostly intended to address "software that runs over a network". However, that is pretty much most software today. And even if not, it seems to me that in light of a piece of ...
2
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1answer
150 views

Software under LGPL and API under GPL, which license do addons follow?

In a specific case where the software is licensed under LGPL but its API is licensed under GPL, which of these should addons (that use the API) follow? Additionally, if it's LGPL are addons required ...
1
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1answer
28 views

Study existing GPLv3 licensed code while working on my own project

I plan to write a toy interpreter for a programming language as a hobby project hosted on GitHub. The official implementation of the language is licensed under GPLv3. I have read some of its code to ...
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2answers
110 views

Adding GPL classpath exception to program

GCC has a special exception that doesn't force you to use GPL for programs compiled with GCC. If I for example had program foo, how can I apply the classpath/GCC/linking exception to it as well? Do I ...
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1answer
59 views

Linking GPL software with “indirection library” with both GPL-compatible and proprietary backends, in constrast with wrapper library

I'm about to publish a GPL3 piece of software I wrote. That software uses OpenCL, and in its normal use one typically links the software against the Khronos OpenCL ICD. The ICD lets the user then ...
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1answer
80 views

Can my proprietary program use a GPLv3 binary?

I want to use in my program (closed source code) binary (GPL v3) which is used by execute it with parameters and read output/log of this execution. Can I do it? If yes, what information should I ...
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1answer
69 views

Accessing a non-commercial API with Software under strong copyleft (e.g. GPLv3) possible?

My intention I’d like to write a desktop GUI program using Qt (which is itself is licensed under GPL) that interfaces a REST API and I want to use a strong copyleft license, preferably GPLv3. (I use ...
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1answer
1k views

Can I fork libstdc++ without disclaiming copyright for the modifications I make?

NOTICE: Not A duplicate of Am I allowed to add additional copyright on modified code that originally the FSF released under GPLv3: The previous question answered if I'm allowed to copyright ...
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1answer
107 views

Am I allowed to add additional copyright on modified code that originally the FSF released under GPLv3

I've ported type_traits from GCC to AVR-GCC with some major modifications to the code structure, style, and used some boost implementations along with some of my own implementations and would like to ...
2
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0answers
51 views

Can PyQt5 projects use the MIT license?

I maintain a PyQt5 project on GitHub under the MIT license but now I am wondering if I am risking getting in trouble by not making it GPL... This answer makes me think that releasing my own code under ...
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1answer
50 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 ...
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0answers
18 views

Can I use GPL v3 licensed software to create my commercial product? [duplicate]

Note that I am not modifying or redistributing the GPL3 licensed software, nor am I selling it. I am merely using it to create a different product, which contains the output of the software for ...
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1answer
54 views

Is it possible to restrict GPL3 licensed software to non-commercial projects?

I am searching for a suitable license for my project (A Grav CMS PHP Website Rating Plugin). I want to ensure that: The code is published open source The code will be kept open source by other users (...
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3answers
4k views

Can I publish a GPL source I'm being paid for to develop?

For a popular program licensed under GPL3, a system of plugins exists. The program and the plugins are closely interoperable and exchange large structures of data, so the plugins will necessarily be ...
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0answers
39 views

GPL v3 library used in custom built Kafka Connector wrapper

Imagine, there is communication library to specialized communication protocol to end devices licensed by GPL v3 and implemented for JVM. Then I implement specialized Kafka Connector on top of this ...
6
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1answer
64 views

PDFs with proprietary fonts in test suite of (A)GPL software

I develop a piece of software that uses AGPL licensed iText7. The licensing options are therefore GPL and AGPL. The software is to be installed locally and acts as a plugin to a proprietary desktop ...
2
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1answer
33 views

Granting exceptions to the GPL so that binary is compatible with 3rd party license

Suppose there exists a software library libfoo distributed under the terms of a hypothetical license we will here call The Foo License (TFL). The terms of TFL are identical to those of the 3-clause ...
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1answer
71 views

How does GPL define the term “release” or “distribute” officially?

Since GPL Require Source Posted Public states about But if you release the modified version to the public in some way, the GPL requires you to make the modified source code available to the program's ...
2
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1answer
64 views

Can I add a proprietary library to GPL software?

I'm considering developing a project based on a modified version of some GPLv3 code. But, I need to use some proprietary library. This is a for-profit endeavour, in which I plan to sell the modified ...
6
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1answer
58 views

Acceptable techniques to verify rootfs without circumventing gplv3 terms

GPLv3 has clause to ensure that device manufacturers are not circumventing "freedom to run modified software by users". 3. Protecting Users' Legal Rights From Anti-Circumvention Law states: ...
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2answers
1k views

Can a company circumvent the freedom of distribution on GPL software for its employees or service providers?

This post contains various related questions, but I think it's needed to solve my doubts properly. As far as I know if I can access a free software I have the freedom to run, study, modify and ...
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1answer
84 views

Can I mix GPL with proprietary if it's a GPL plugin?

I am writing some proprietary library, at least for the time being it is proprietary, until I can get enough money to hire a lawyer to properly unwrap this (as I want to opensource, but keep a way to ...
2
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2answers
64 views

Can I use a GPLv3-licensed workaround for a chrome bug without disclosing the rest of my web page source code?

Chrome has a bug where it doesn't properly report download progress for gzip-encoded content. I found a library that works around it, as far as I understand by injecting the fix into the DOM. Now I'm ...
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2answers
71 views

Adding AGPL patches to a Software with APACHE2 or MIT License

I am interested in creating a fork of an abandoned software. The software which is no longer maintained is release under the terms of Apache 2 license. Am I allowed to create my patches under a less ...
9
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2answers
1k views

GPL code behind a registration form

My employer wants to publish a paper about software and make it open-source under the GPL, but they want to know who is interested and downloads it. Is it legal to ask people to fill in a regular ...
2
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2answers
64 views

Using one source code file from other project with different license type

I want to use one source code file from other open source project which is licensed under GPL3. That source code will be used to perform a single task in my project. My entire project is licensed ...
7
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1answer
129 views

Who is legally eligible to define a new version of the GPL?

Since GPL licenses may contain the notice that derivative software can be released either under the same or under a future GPL version, does the GPL also define who is eligible to define a new version ...
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1answer
68 views

Can i use MIT licensed library in my GPL3 project

I'm writing a library that I want to use in my GPL3 main project and I wonder if I can license the library using the MIT license.
2
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1answer
37 views

I modified an already modified script under GPL v3 and want to allow optional academic citations in my package

I'm building a public open source package that uses, as part of the library, a modified script from an already modified code originally under the GPL v3 license. I want to allow optional academic ...
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2answers
934 views

Can I fork and modify gpl3 licensed code and release it with Apache v2 license?

If I fork a library that uses the GPL3 license and heavily modify it, can I then release the new library with an ApacheV2 license? I actually already did this 2 years ago without putting much thought ...
5
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1answer
132 views

How do products like MongoDB not violate the GPL licenses?

I'm quite confused with MongoDB's licensing model. MongoDB at its core is an open-source project, licensed under the SSPL which is a small modification of the AGPLv3 license. Then how does it release ...
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1answer
2k views

Does “open source” always mean “open access”?

I will frame my question with a concrete example: HELYX is a software based on another software OpenFOAM. OpenFOAM is an open-source freely-accessible software distributed with GPLv3 licence. HELYX ...

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