Questions tagged [closed-source]

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

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43 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 ...
-1
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0answers
26 views

Can I publish my closed source game on github and sell it on steam or itch.io for example? [duplicate]

So basically I have finished coding my own game and I want to create a repo on GitHub to manage the code. But can I use the code for commercial use and sell it on steam, and/or itch.io? And do I need ...
3
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2answers
56 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 ...
28
votes
2answers
7k 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
votes
1answer
39 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 ...
4
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1answer
114 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
31 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
20 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 ...
1
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2answers
202 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 ...
3
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2answers
178 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 ...
3
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2answers
2k 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 ...
2
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1answer
45 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 ...
8
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1answer
9k views

Can I use a Apache v2 licensed driver for a commercial project without revealing sources of the project?

I am building a project that will be commercialised. One of the library I use is licensed under Apache v2. To my understanding, if I modify the library, I need to give the source of the library with ...
1
vote
1answer
88 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 ...
3
votes
1answer
143 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-...
2
votes
1answer
77 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 ...
1
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1answer
48 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 ...
6
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1answer
167 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 ...
2
votes
1answer
54 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 ...
0
votes
1answer
84 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 ...
2
votes
1answer
659 views

Am I allowed to use GNU Unifont in a closed source application?

I was looking for a .ttf font, where almost all of the unicode characters are created. Then I've found the GNU Unifont It is licensed under GNU GENERAL PUBLIC LICENSE Version 2 The application I am ...
0
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1answer
391 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
votes
1answer
511 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
47 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
votes
2answers
379 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 ...
5
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1answer
623 views

BSD-3 Closed Source Attribution

I'm having some confusion with the BSD-3 license language. I am going to close source a bsd-3 project and make modifications to it. I will not be redistributing the code. It will be used as a SaaS. ...
3
votes
2answers
295 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 ...
2
votes
1answer
135 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
votes
1answer
1k 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 ...
2
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3answers
813 views

Finding open source in closed-source code?

Sorry for the title, I don't master the subject enough to find a clear one. I see that free licenses come with a "same license" and "disclose source" mentions, like stated here. For instance, I have ...
9
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2answers
1k views

Can I dynamically call a LGPL/GPL software in my closed-source application?

This question was originally posted by marcgg on Stack Overflow (second link might be visible to 10k+ only), but was removed there due to being off-topic. It has been preserved here in light of this ...
4
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1answer
102 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 ...
-1
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1answer
493 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 ...
2
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2answers
639 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 ...
0
votes
2answers
1k 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 ...
4
votes
1answer
328 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 ...
3
votes
1answer
131 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
votes
1answer
108 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
285 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 ...
2
votes
1answer
156 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 ...
0
votes
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 ...
10
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2answers
309 views

Are open source projects growing faster relative to closed source ones?

Are open source projects growing faster (in terms of the number of users and developers) relative to closed source ones? Are there any metrics measuring this?
7
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1answer
10k 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 ...
3
votes
1answer
4k views

Can I use angular-material in any commercial project ? Is there any cost for that?

I have using angular material for quite few days. Now I am planning to develop a commercial software using angular material (https://material.angularjs.org/). While going through the license section ...
3
votes
2answers
536 views

Can I distribute GPL software built by a custom compiler? [duplicate]

The license (I pick GPLv3 as an example) says: The “Corresponding Source” for a work in object code form means all the source code needed to generate, install, and (for an executable work) run the ...
10
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1answer
4k views

Is it legal to Bundle OpenJDK + HotSpot with a closed source application?

As per my understanding, OpenJDK itself is licensed under GNU General Public License, version 2, with the Classpath Exception which should be no issue for bundling with closed source application. ...
4
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1answer
1k views

Legal issues about embedded Linux

I am trying to modernize a current microcontroller solution with a new one based on embedded Linux (Debian), running on Allwinner A10 chips. I plan to make a Linux app doing all user-interface stuff, ...
2
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1answer
45 views

Incorporating closed-source derivative into GPL code

I have a closed-source project. I am the copyright holder. Can I incorporate parts from my closed-source project into an open-source project without running into legal issues commercially using my ...
3
votes
2answers
258 views

Can I open source a closed source project by transcoding/transcompiling its source-code, so it's completely different?

How far I can go in order to open source the project which is based on closed/commercial project where the whole source code (assuming the access is there) has been converted into different state or ...