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Questions tagged [linked-libraries]

For questions concerning the use of linked libraries such as DLLs and linked JARs.

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0answers
118 views

In the .NET AssemblyInfo.cs, where to put the license info?

In .NET, assemblies have their AssemblyInfo.cs file where one can put general descriptive info about the assembly. But, where to explicitly put an (open source) license? I will have a copyright, which ...
2
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1answer
140 views

Can I use proprietary library in a GPL-Compatible library loaded on a gpl Program?

I am asking mainly to be sure. To describe it better, I want to use some external functionality that is available through a proprietary library. Since the library IS NOT compatible with GPL Programs, ...
11
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3answers
2k views

When is my project a derivative work in an interpreted language?

With compiled languages, I understand when a work is considered derivative of another and thus, a license such as the GNU GPL covers the whole work. However, with interpreted languages such as PHP or ...
56
votes
5answers
19k views

Can I use GPL libraries in a closed source project if only the output is distributed?

If I create a closed source application which uses some GPL licensed libraries but don't actually distribute the software, only its output, can I keep the software closed sourced? Specifically, I am ...
1
vote
1answer
45 views

Publishing an open source project linked to commercial closed API

We are thinking about to publish a module of a commercial closed software as open source under e.g. MIT or BSD. The published open source module would have still some dependencies to the commercial ...
4
votes
1answer
221 views

Using dynamically linked library with BSD 3-clause License

If we are loading a closed source - dll dynamically in the source code which comes under three clause BSD license then is it mandatory to change license of my closed source dll to three clause BSD ...
16
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4answers
406 views

What are the arguments for considering dynamic links to *not* constitute derivative works?

The status of programs which are dynamically linked with Copyleft licensed binaries (such as a .dll) is contentious. I have created two questions for each side of the debate. The other can be found ...
10
votes
4answers
2k views

Calling GPL'd programs from a shell script

I have a program written in a shell language that consists of several shell script files. Some of these files execute external commands that have been licensed under GPL. Do I have to release my ...
4
votes
1answer
108 views

Are the Artistic Licence 1.0 and the zlib Licence compatible with one another for distributing sources?

The open-source, community-maintained game Simutrans uses the Artistic Licence 1.0 (AL). I know many people regard this as a poor choice, but the core of the game was written as someone's spare time ...
4
votes
1answer
96 views

Does AGPL introduce a new type of linking?

I understand that using AGPL (specifically AGPL-3-or-later) means: all the linking rules from GPL-3-or-later still apply additionally, a user accessing the software over a network should have access ...
2
votes
0answers
55 views

Proper place to include the license of a dependency

I'm developing a GPLv3 project, and i need to use both the feather's icon set, licensed with MIT license, and the PyQt5 library with GPL. I don't need to rewrite or extend any content of the these ...
3
votes
2answers
273 views

If some software states it is BSD-licensed, how can it be distributing itself with GPL/LGPL components?

For a specific example relating to my question, I offer VisIt. Per the licensing information for VisIt, it is stated that it is BSD-licensed. But, looking over the libraries used in VisIt, it can be ...
16
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1answer
2k views

Using GPL library with MIT licensed code

Let's say I created a project containing hundreds of source files under the MIT License (most of which I wrote myself for this project). Now I want to add a GPL library to the project, that will be ...
11
votes
2answers
713 views

Is use of CC BY-NC-ND 3.0 library in open source project a derivative work?

There is an open source library which I would like to add to my own software repo. However, it is licensed under CC BY-NC-ND 3.0 which does not allow derivative works. I do not modify the library's ...
1
vote
1answer
43 views

Collective work using a GPL library

Assume I have a python script that runs a GPL library binary through command line (through os.system('GPL call') and then analyze the output (which comes from the terminal). Is that a collaborative ...
10
votes
3answers
180 views

What happens if I stop using a GPL library?

If I understand it correctly, when I develop a program that depends on a GPL library, it becomes a derivative work of the library and the GPL license also aplies to it. But what happens if I develop a ...
1
vote
1answer
178 views

GPL and 3-clause BSD together

I want to make DLLs of my code (not the source) publicly available for any type of usage, but the code depends on a GPL-licensed DLL and a 3-clause BSD licensed DLL. What license should I use? And is ...
9
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3answers
2k views

Linking from LGPL 2.1 software to Apache 2.0 library

The FSF claims that GPL v2 is incompatible with Apache 2.0 and that linking to a library generally creates a derivative work of this library. However, the linking exception of the LGPL allows ...
0
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2answers
410 views

copyleft licenses allowing dynamic linking with open-source program only

I am writing a library, currently under GPLv3 because I do not want my lib to be linked with a non open-source software. A friend of mine is writing a program under the MIT X11 License and needs my ...
8
votes
1answer
289 views

LGPL and static linking when third-party tools are required - providing an alternate version that can accept a replacement LGPL library

I've been through a lot of the LGPL questions here but haven't found this specific question. This is probably the closest to my situation: Dynamic linking LGPL library and licensing in Windows Store ...
5
votes
1answer
420 views

LGPL static linking

I know there are already many other questions asked about LGPL requirements, but none of those did match my case I want to distribute a free application which uses a LGPL-licensed library (Qt) ...
2
votes
0answers
119 views

Usage of a part of a EPL library in LGPL or Apache 2 project

As I understand it, I am allowed to link a eclipse licensed jar to an LGPL or Apache 2 licensed open source project, without to change the projects license. Correct me if I am wrong. The question is,...
12
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2answers
314 views

What are the arguments for considering dynamic links to constitute derivative works?

The status of programs which are dynamically linked with Copyleft licensed binaries (such as a .dll) is contentious. I have created two questions for each side of the debate. The other can be found ...
3
votes
1answer
486 views

Can Public Domain use GPL licensed library/program?

A similar question already asked here (https://softwareengineering.stackexchange.com/questions/159023/can-cc0-code-use-a-gpl-library) but my question is a little bit different, perhaps more accurately....
3
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2answers
51 views

Linking vs API vs data

I know that GPL requires linking application to be licensed under GPL. Some database lisense covers data usage. I'm sure there's something for API too. But from the comments here on OSSE I also know ...
5
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1answer
63 views

“Primitive” GPL:ed OS and proprietary programs and address spaces

I have read about FSF plugin policy If modules are designed to run linked together in a shared address space, that almost surely means combining them into one program. (Emphasis mine). Now there ...
3
votes
1answer
310 views

Licencing my project while considering dependencies

I'm considering licencing my projects under the Unlicence licence, but I'm not sure if this is allowed when I have dependencies. For example if my project depends on a GPL or Apache or BSD project, ...
5
votes
1answer
381 views

For Software based on GPL library should I have to release software under GPL license or can I use MIT

I am currently building a generic rest framework and using Jersey and Grizzly as frameworks to build upon. Originally I planned to release (for commercial or public/private use) it under MIT license ...
4
votes
2answers
74 views

Want to release old shareware application as open source but uses commercial libs. Options?

I have some Windows shareware applications built with Delphi 7 that have not been updated for almost 10 years. I was thinking to release the source code as open source on a site like sourceforge. ...
2
votes
1answer
71 views

Do I need to share OSS libraries source code when I only use them in binary?

I'm working on a project where BSD, Apache v2 and MPL1.1 libraries were used. Basically propietary code will link to these libraries to run the Program. Libraries were only used in binary form, though....
2
votes
1answer
263 views

Can I use a library under the Cecill-B licence in my commercial closed-source app?

I'm working on a commercial closed-source app and I need to use a library under the Cecill-B licence. I read the licence terms here and it desn't say it is mandatory to distribute the source code of ...
6
votes
1answer
133 views

Can I create a GPL licensed server and use it in a commercial product?

I have an commercial embedded device which uses linux as OS and I would like to add remote support to my commercial application on the device. I would like to use a dynamically linked library with ...
9
votes
1answer
572 views

Why is the definition of “System Libraries” in GPLv3 phrased the way it is?

I'm curious about the definition of "System Libraries" The “System Libraries” of an executable work include anything, other than the work as a whole, that (a) is included in the normal form of ...
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2answers
1k 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. ...
4
votes
1answer
386 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/ ... ...
10
votes
2answers
1k 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 ...
4
votes
3answers
373 views

Usage of GPL program as optional external tool

My software is designed to use third-party external tools if the user wishes to do so. Some users would like to use GPL-covered binaries as external tools (i.e. they tell my software "use this dll to ...
6
votes
2answers
193 views

What to do if a software component to be published under open source license is linked with other components that are not open source?

In my case we developed several software components that work together to build the final system. Now I want to release my developments under the GPLv3 license. When checking the dependencies I ...
12
votes
3answers
1k views

Am I in danger if a project component is relicensed?

I am currently managing a project, which includes a library that is licensed under the MIT license. My current project is licensed under the Apache 2.0 license. The maintainers of the library that I ...
13
votes
2answers
2k views

Do I have to release my code as GPL when a Java Library is GPL

I have found a Java library that can be used under the GPL licence (not the LGPL licence). Can I embed the library in my program without the requirement of using the GPL licence? I have no ...
9
votes
2answers
173 views

Can I release my plugin scripts as open source if they rely on a proprietary API?

I write scripts for a commercial GIS package (ArcGIS) using Python and the GIS package software API (Arcpy). I had been thinking about putting the scripts that I create on GitHub under an MIT licence ...