Questions tagged [closed-source]

For questions about closed-source software and how it relates to open source.

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29 views

MIT License for a translation

There's a software called vnpy on github that's in chinese. We have a translated copy to english. The goal is to keep their MIT license but just for that code. We're wondering: Should we make a ...
0
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1answer
106 views

Are the terms proprietary software and closed source software synonymous?

I think that when a software is proprietary, then its source code is "legally defended" and hence not released to the general public in any way. Are the terms proprietary software and closed ...
-1
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2answers
75 views

How to include licenses of dependencies in commercial closed-source proprietary software?

Our company is developing an enterprise application that is essentially a set of different applications (microservices). Some of these microservices are based on node.js while others are based on ...
4
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2answers
122 views

How to protect communities from devolving into “open source in name only”?

There are many open source communities that provide good and effective tools and ecosystems for their users. In fact, there is not doubt that the best programming tools available in this age, follow a ...
0
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0answers
63 views

Can the official MySQL connectors be used in a commercial closed-source backend?

The official Oracle MySQL connectors seem to correspond with these GitHub repositories: mysql-connector-cpp mysql-connector-nodejs mysql-connector-python ... They all contain a LICENSE.txt that ...
2
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2answers
121 views

How do you sell a hardware product that uses the linux kernel?

I would like to create a Linux based OS for a VR headset that I'm developing. From what I understand, the Linux kernel uses the GPL-2 license which allows for commercial use but it also requires you ...
1
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1answer
33 views

GPL in Plugin for a open source application

I am trying to do a feasibility study for doing a plugin that implements a 2D geometry solver in various programs. The solver is GPL v3. Some of the programs are GPL themselves but some are not, like ...
1
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1answer
28 views

License compliance for a closed source client calling open source server interface to open source library

We have a large proprietary application, a portion of which is a collection of microservers written in Go. We're considering the following: Write a Go microserver, with a GPL license, on top of a ...
1
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1answer
50 views

Releasing code containing MIT library using all right reserved license?

For example, I have code int main() { myFunction(); MitCopyPastedFunction(); } where I have copied a section of code from a MIT licensed library. In this case, i want to release my project ...
2
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0answers
28 views

Crediting a library [duplicate]

I'm using a library for a commercial application, and I'm wondering how I credit that library. The library is using the BSD-3-Clause license, and my application is going to be closed source. Do I ...
3
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2answers
146 views

Using reverse-engineered closed protocol in open source software

The question is a partial derivative of this one: Someone open-sourced an un-open-source project Here is the situation: There is a device and a proprietary software to manage that device. They are ...
1
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1answer
33 views

Do I have the right to the bundle that generate by / dependent on open-source libraries?

I created a project with the following structure: The question is: Do I have the right to the BUNDLE where I do not want clients to resell the BUNDLE they have bought? Is it sufficient to include ...
5
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1answer
60 views

Does learning boilerplate code from a project with a restrictive license make my own work derivative?

I have an application I want to put my own license on. In order to get my application started, I wrestled with boilerplate code issues I was not able to find answers for online. When I tried launching ...
2
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1answer
107 views

Could the GPL “infect” my Code if the libraries I used violated the GPL?

Let's assume I use in my closed source a library A which is by the Author claimed as a non GPL license (e.g. MIT, LGPL or even a paid license). Now somebody finds out, that one of the used library in ...
4
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1answer
172 views

Is Google's Chrome web browser truly open source?

I have been trying to understand if Google's Chrome web browser is truly open source. Some people claim that it is, while others claim that it integrates binary blobs for which the source is ...
49
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4answers
18k views

Someone open-sourced an un-open-source project

Someone (Person_A) is sharing an open source project (Project_A) on GitHub. The Project_A is a decompiled version of another project (Project_B). But the original Project_B is not open source, and ...
2
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1answer
52 views

Which licence do I choose, publishing a previously closed-source product?

From 2001 thru 2019, a company "A" that I own and I am the CEO of with HQ in EU, had a commercial software product for sale on the international market. We issued perpetual per-site licences to what ...
5
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1answer
552 views

What license to use for GitHub repository containing trademark/copyright protected images?

I just can't seem to find an answer to this. Normally I assign MIT License to all of my GitHub repositories, but so far they have only included code that I have personally written. I think that MIT ...
-2
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1answer
43 views

closed source binary in Linux image

I've got question about following situation: if i have closed source binary and device with Linux, i want to sell this device with Linux and closed binary in its filesystem. Is it legal to keep source ...
28
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4answers
7k views

Can I use my own GPL'ed code in my closed source program?

Let's say that program A was made by me, with me being the sole copyright holder. If I license this program under the GPL-3.0, can I use that program in program B that is closed source?
2
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1answer
48 views

Usage of closed-source software loaded into GPL software as a plugin

I'm distributing a device (ARMv8 server) which runs GNU GPL licensed software. I've changed this software so that it is able to load any plugin in the form of *.so file. I've open-sourced this feature ...
3
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2answers
109 views

Using GLPv3 for open-source library modules that can be extended and linked by closed-source libraries and binaries

I'm developing a pretty big open-source project which will require multiple technology stacks. My hope is that this project will be primarily community-based, which means the community should be able ...
2
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1answer
75 views

Can I sell closed source plugins that interface with a GPL v2 software which is open sourced? [duplicate]

Basically, I have an idea for some software based on an Open Sourced application. If I was to build an application based off of that, and sell my plugins, would this be a breach of terms? This is the ...
1
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1answer
213 views

Open source project on a closed source engine (Unity) with GPL covered data

There's a project called Endless Sky It's license for Source code is GPL, The license for Graphics is CC-BY, CC-BY-SA and Public Domain. The license for Data .txt files with content like this is ...
2
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1answer
109 views

Distributing GPLv2 code and ENTIRELY SEPARATE closed-source software (no interaction between them)

Do I have to GPL all software in a .deb package just because it contains some GPL(v2 in this case) code, even if these things have nothing to do with each other except being distributed in the same ...
4
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1answer
359 views

Use of GPL licensed driver in commercial project

In a commercial project for our customer, I would like to install a driver on all target machines. The driver is on sourceforge (http://com0com.sourceforge.net/). The website states that: The Null-...
1
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1answer
70 views

exe using LGPLv3 lib: must I also ship the exe's object files?

If I ship a closed-source .exe that dynamically links to an LGPLv3 library (such as Qt), must I also ship the .obj files from which I built the .exe? This podcast at 34:30-36:00 claims so, and also ...
2
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1answer
111 views

What do I need the company I work for to do to open source a program I wrote for them?

I would like to open-source a program I wrote for my employer. As I understand it, this is a “work for hire” (at least in the United States) since I wrote the code for them and on their time. This ...
6
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1answer
315 views

Use of closed-source library in LGPL library

I would like to open source my software library under the LGPL license. But I'm not sure if I'm allowed to use that license, as my library uses another library which is currently closed sourced. By ...
0
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1answer
91 views

Can I change my project's license before release?

I started my project with the GPLv3 license, but I haven't released or made available any code related to it yet. As I move further along in my project, I am starting to realize that it is something I ...
0
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1answer
837 views

CDDL library and closed source application

I am working on a project that uses a C++ library licensed under CDDL v1.0. Ideally I would like to publish it commercially as well as keep it closed source (wouldn't mind open sourcing it but then it'...
3
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1answer
582 views

License to disallow distribution in closed source software, but allow exceptions made by owner?

Is there a license (similar to the GNU v3 software license) that forbids the usage of an open-source software in closed-source software, but except parties that receive approval by the original owner (...
3
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1answer
62 views

Recreating assets from closed source projects

Recently I'm working on a game, where I have created some asset from closed source project. To be honest I actually re-created assets similar identical to hill climb. Now if I use those or I use ...
3
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2answers
550 views

Can a closed-source software be free

I saw some closed-source software (for Windows), which license explicitly allows to do everything with it, including disassembling, decompiling and modification, but no source is distributed, though ...
3
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2answers
450 views

Can a copyleft, GPLv3 project be closed by its copyright holder?

Let's say a private company released a popular software product under a copyleft (GPLv3) license. It's business model was offering consulting services and premium features for a fee, which in turn ...
4
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1answer
250 views

Effect of 'download separately' on GPL linking

Suppose I have Java jar-files which I provide to my customers under a commercial closed-source license. But my jar-files depend on a few jar-files released under the GPLv2 (without any special GNU ...
5
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1answer
2k views

Using Qt Designer to create UI design for closed source application

Am I allowed to create a closed-source application using the LGPL licensing scheme for Qt if I use Qt Designer to generate its user interface? I originally thought this was possible until I saw this ...
4
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1answer
143 views

What does it mean for a closed source project to have a permissive licence (CC BY-NC)?

Earlier today I was installing a small free program hosted on GitHub. The End-User License Agreement shown when installing had a few things, but what stood out was: [...] is licensed under a Creative ...
3
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2answers
1k views

IPC between open-source and closed-source applications

We have two applications developed by two teams. One is open-source under GPL, another closed-source without any possibility to open the code. Also there's a requirement to implement some kind of API ...
1
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2answers
342 views

Redistributing 7-Zip Binaries with LGPL & BSD 3-clause License

We want to use 7Zip to extract the contents of the ISO file in our paid product. There is no other API free library available as of now that can unzip ISO files on all Windows platforms that we want ...
-1
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1answer
698 views

A question about closed-source software with GNU GSL for commercial and free-to-use cases

I plan to build a closed-source software with C++ language using GSL (GNU Scientific Library). This software is made by compiling my source codes into executable. By the way, my source codes use GSL ...
3
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1answer
187 views

Subclassing, Unity, and the LGPL

I want to release a package on the Unity Asset Store. Based on this answer, it looks like the best option for my situation would be LGPLv3. However, after doing plenty of research, I've stumbled ...
0
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1answer
136 views

Can you change GPLv2 licensed software, but keep your new source closed?

If I were to make deep modifications to the Linux kernel, virtually make a 'new' kernel in a way, for my project, which is building my own operating system, (yes, I know, a lot of work, but hey, I'm ...
1
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0answers
379 views

libquadmath in binary code

I'm developing a small closed source library in C++ for a small company using gcc. For the numerics part I need 128bit floating point arithmetics. This leads gcc to pull in libquadmath. As far as I ...
4
votes
2answers
301 views

Can a Proprietary Application Exchange Data with a GPL'd Program?

I am considering extending a proprietary application so it communicates with an open source program. This open source program is very similar to Matlab. The user can input commands to execute ...
2
votes
1answer
225 views

If I share code from my personal project with my employer, who owns it?

I have code from a closed-source personal project of which I am the sole author. At work, I have come across situations where the code is useful. I want to take a significant amount of code from my ...
3
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2answers
2k views

Bypass LGPL license using wrapper library

I wanted to use a library which is licensed under LGPL (free, only for open source projects). I wanted to use that in a commercial project. Is that possible that I can develop an open source wrapper ...
3
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2answers
4k views

Apache License 2.0-licensed code included in commercial closed source software

I spent an hour looking for an answer to this question, although I would think a quite common situation, I did not get a totally clear answer to my specific case: So I am selling a (P)roduct which is ...
1
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1answer
1k views

Can I use the Qt Installer Framework in a commercial product?

The Qt Installer Framework (QTIFW) is part of the Qt Framework which is available under the LGPL3. This page lists the components that are available under each license. Unfortunately it doesn't list ...
7
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1answer
12k views

Use of BSD-3 Clause license and python software license for proprietary use

I am making a software in python programming language which uses libraries licensed under BSD-3 clause. Is it necessary for me to show my source code to users? Also can I restrict the distribution of ...