Questions tagged [proprietary-code]

For questions about works whose authors retain the ability to control derivates or distribution as given to them by copyright law

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can open source software be proprietary? if so, what examples exist?

quick question, i'm doing research into open source software and i was wondering if open source software be proprietary? if so, what examples exist? what examples exist of source code that is open ...
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1answer
587 views

Proprietary Software + GPL: A case study with OctaneRender and Blender

Background: I currently stumbled across an interesting case of a combination between a proprietary software and a GPL software, which I am trying to understand: There is the GPL software Blender - a ...
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Documented protocol of proprietary software + plugin of GPL software

Please assume the following: There is a GPL software (G), which provides API to write plugins to this software (GP). There is a closed-source / proprietary software (P), which has an openly ...
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1answer
53 views

Do we have to choose the GNU LGPL v2.1 license libraries for our distribution?

Our situation - LGPLv2.1 Libraries = LGPL for whole work? Our distribution Package contains libraries which are licensed GNU LGPLv2.1 jquery.form - dual licensed GNU-LGPL-2.1+ - MIT, * ...
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clarify R licenses: machine learning models, developed with R in Azure, possible for commercial use?

i want to estimate machine learning models with R and i need to use it in a production environment, i'll work with Azure Datascience Virtual Machine or Azure Machine Learning. If i use , for ex., ...
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1answer
35 views

LGPL and different architectures

I am in the midst of writing software using LGPL libraries, which will be part of an image for a device. Am I obliged to provide object files for different (micro)architectures than the device the ...
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0answers
41 views

Can I pack art assets from a leaked source code repository? [duplicate]

I am thinking about porting a commercial PlayStation game which had its entire development leaked. This game is SpongeBob SquarePants: SuperSponge. The source code as well as all its development ...
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3answers
2k views

What happens if a company releases third-party confidential code as open source?

This is very similar to this question: What happens if stolen software is published as Open Source? – but it doesn't exactly answer my question. This is also a thought experiment with no real ...
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5answers
3k 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
67 views

Can Non GPL software use GPL code in virtual machine or interpreter

I hope this is the right place to ask these questions. If not please help me find a place so I can safely ask these questions without simply getting a off-topic label. I will describe two situations: ...
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2answers
118 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 ...
2
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1answer
39 views

Free App and non free Pro app source code licensing model

I'm going to build an Android app under some open source license but I want to use this same app as a basis for a proprietary software in the future. So I will have two softwares: My Software My ...
3
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1answer
101 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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3answers
92 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 ...
2
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1answer
87 views

Is it possible to license that header file to LGPL but implementation to proprietary license

Suppose someone is writing a proprietary software that uses a shared or dynamic library that is licensed under the GNU LGPL license. If he wants to change the LGPL library code, he make some functions ...
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1answer
57 views

Can I use the “pro” features found in open source code if it's GPL 2?

I am looking at including a library from Github on my next project that has different tiers. It claims that the lowest free tier is licensed under GPL 2, however to use advanced functions you need to ...
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2answers
70 views

What is a good license model for a game that I want to both sell and show publicly?

I'm currently developing a game. I want to publish its code online (i.e. GitLab, GitHub, etc.) in order for people to review it, learn and get ideas from it. But I also want to be able to sell it at a ...
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2answers
114 views

Can my paid WordPress plugin have a proprietary license?

WordPress is licensed under (GPLv2 or later). WordPress states that all plugins hosted under the WordPress Plugin Directory must be licensed under GPL. We have a Free version of our plugin that is ...
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1answer
72 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
245 views

What kind of license is Redis' RSAL (Redis Source Available License)?

The name would suggest it's not FOSS, but source available, which is a pretty low bar. But when I read about it, they seem to suggest that it's really only source available for specific use cases ...
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3answers
617 views

Do major electronic voting systems use closed-source software?

I have heard that some, if not all, widely used electronic voting systems (e.g., Diebold, Sequioa, Dominion) use closed-source software. If so, how can the public be sure that a closed system isn't ...
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1answer
76 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 ...
3
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1answer
70 views

LGPLv2.1: Distributing dynamically linked executable without the LGPL library

I am developing a proprietary (non-open source) commercial application that depends (both directly and indirectly through direct dependencies) on some LGPLv2.1+ libraries (specifically some MinGW64 ...
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1answer
245 views

If closed source software is distributed along with open source software, will the resulting code still be open-source?

Suppose there is an open source project (a collection of open-source repositories) on GitHub. Can we include closed-source software in the same open-source repository? (Specifically I'm referring to ...
4
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1answer
170 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 ...
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1answer
183 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 ...
15
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1answer
3k views

What is the correct term for software whose source code is available only to read?

The software is distributed under these terms: Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software&...
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0answers
16 views

Selling copy of GPL v3 app under another license [duplicate]

I want to create a library, that can be used for free in any open-source project, so I want to publish it under terms of GNU GPL v3. But, also I want to sell it, so it could be used in proprietary ...
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0answers
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I want to build a new ISO based on official Ubuntu 18.04 ISO, plus some propietary software. What do I have to open-source to comply with GPL2?

What if I do not own the proprietary software but I have been given permission to distribute it (will being able to open-source the build automation help? This would mean only someone with the correct ...
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3answers
108 views

How to enforce CC-BY in data generated by a program, if I open-source that program as well?

I'm running a data journalism operation, and as part of our business, we generate a lot of datasets. We're fine with these datasets being used by just about everyone, as long as they give us credit. ...
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3answers
151 views

How to completely get rid of proprietary code in the library?

I made a small library which I decided to open-source under the Apache 2.0 License on Github. Not long afterward I realized that some of the code in here makes use of proprietary information which ...
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1answer
52 views

Use of GPL software with proprietary network program

I am working on a distributed computing project. The client for this project uses Twisted (MIT licensed) to communicate with the server. The client will locally invoke a PARI/GP (GPL licensed) script ...
4
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2answers
84 views

Is Flameshot mislabeled on the Ubuntu Software Center?

Recently, I have seen Flameshot labeled as proprietary on the Ubuntu Software Center: (german text, "Proprietär" means "proprietary") Is Flameshot mislabeled on the Software Center, as it's official ...
13
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2answers
6k views

Can I sell a proprietary software with an LGPL library bundled along with it, without making my source code public?

I am making a commercial application for my own company. I want to use PySide2 in it which comes under the LGPL license. I will be using PySide2 without any modification to it for designing the GUI. ...
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1answer
32 views

Is it possible to have a proprietary commercial plug-in in a GPL licensed app?

We are developing an automatic machine learning software for researchers under a GPL license. This will allow them to use different ML algorithms on their data. Is it possible to offer an additional ...
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2answers
401 views

Is it legal to remove a dependency with a copyleft license from a proprietary project?

Imagine you have a proprietary project (non open source), and by mistake you added a dependency to a library with a strong copyleft license. You have already distributed your code. And you realize ...
3
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3answers
331 views

Licensing software that uses a proprietary library under GPL-3.0 without linking exceptions: what are the implications?

NOTE: Changed the person in example from "I/me" to "PersonXYZ" Given, hypothetically: PersonXYZ wrote some software (will refer to as SoftwareXYZ) that uses a proprietary library (will refer to as ...
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2answers
492 views

What permissions does LGPL-3.0 grant if the licensed work links against a proprietary library?

According to the FSF "The Lesser GPL permits use of the library in proprietary program". Is this permission granted in cases where an LGPL-3.0 licensed work links against a proprietary library? Both ...
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1answer
76 views

Implications of powershell usage on Linux

Looking, in particular, at: PowerShell 6.0 Linux Administration Cookbook Prashanth Jayaram, Ram Iyer November 30, 2018 566 pages I just want to go in eyes-open, knowing any pitfalls of the ...
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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 ...
4
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1answer
150 views

Can a GPL-licensed library be used in private development builds of a proprietary application?

I'm considering using this GPL-3.0-licensed library as a development aid in a game. Development builds that include this library (and other unrelated tools) would be used by myself and any parties ...
5
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1answer
130 views

Can I release an Excel Workbook with VBA code under the GPL v3?

This is my first foray into the open source world. I've got a Microsoft Excel workbook that I have some custom VBA modules in that I want to distribute under the GPL v3. I can't find much discussion ...
7
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1answer
243 views

GPL Application linked to a LGPL library loading proprietary-plugins

This is a bit similar to what asked in this question, unless that here the case is that the application only directly loads LGPL code, and this one then may dlopen a proprietary lib, so: GPL Program ...
3
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1answer
157 views

Does using libraries under LGPL in my product limit my choice on how to license it?

I am developing a product that links to a number of LGPL (or compatible) licensed libraries. The product itself is a creator tool for intellectual property work of its users. The LGPL libraries are ...
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2answers
105 views

What happens when I use LGPL Qt 5 toolkit to link statically for a closed source (proprietary) application?

I come from a country "ALGERIA" where nobody buys a software license even the government, except fore rare cases where the government institution is very sensitive, other governmental institutions ...
3
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1answer
82 views

What are good arguments against my university teacher's justification, which is that the softwares taught are the industry standards?

I will have the chance to take part in a meeting with the whole department of my university program (translation degree) and I would like to address what I believe to be a major problem, namely the ...
2
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1answer
132 views

Why doesn't Microsoft open-source the existing Edge browser?

Microsoft will soon make Edge a Chromium-based (i.e. WebKit) browser. This is good for Microsoft and the WebKit ecosystem, but not necessarily good for the web as a whole (since this further allows ...
5
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1answer
247 views

GPL Application <-> LGPL Plugin <-> Properietary code

I would like to explicitly consider possibility of having either of Fig.1: (1-A) A GPL application with dlopen-based plugin system. (1-B) LGPL plugin for application (1-A), that is linked to (1-C) (...
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1answer
600 views

Push notifications for Android 8 open source app

I am developing an open source Android app that has push notifications. If I understand https://developer.android.com/about/versions/oreo/background#services correctly, Android 8 forces me to use ...
2
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1answer
101 views

Can I develop a front-end under a different license than the GPL-license CLI application?

I want to develop and distribute a GUI (Graphical User Interface) for an existing command-line tool (LibLouis). I want to do so using .NET WPF or Windows Forms, but the library of Liblouis is written ...