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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4k views

Can GoJS be included into an open source project?

Context: GoJS is not open source, its license stating in particular that modification is forbidden (though the fact that its source code is hosted on GitHub seems to confuse some people). The ...
4
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3answers
160 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 ...
4
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2answers
220 views

Can an open source/free alternative put a company at risk? Has this ever happened?

There is a very nice quote by Alberto Vázquez-Figueroa (Spanish writer and inventor) which reads: "El éxito o el fracaso de un invento no depende de a quien beneficia, sino de a quien perjudica." ...
4
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1answer
217 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 ...
4
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1answer
161 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 ...
4
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2answers
1k views

MIT license ambiguity about copyright?

I asked this question in softwareengineering.stackexchange.com but it was pointed out to me that it is better suited to be posted here. I deleted the original thread in the other subforum. So the ...
4
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2answers
89 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 ...
4
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1answer
140 views

Libre Office and proprietary Microsoft file formats

Libre Office can open proprietary Microsoft file formats (although some features are unsupported). But how was it able to achieve this? Did they reverse engineer these formats from binaries? In this ...
4
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2answers
776 views

Can license-incompatible program communicate with GPLv2 program via websocket?

I'm writing a program for automation under a license that is incompatible with GPLv2 (it's dual-licensed: GPLv3/Proprietary). Let's call it my automation program. And there is third party GPLv2 ...
4
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1answer
175 views

Can software that depends on proprietary software be free?

Suppose I write a Matlab script and place it under the GPL. The question is whether the result can be considered free software. On the one hand, the script itself is clearly free. On the other hand, ...
3
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2answers
583 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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3answers
360 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 ...
3
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3answers
111 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. ...
3
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2answers
78 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: ...
3
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2answers
223 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 ...
3
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1answer
273 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 ...
3
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1answer
489 views

GNU Lesser General Public License with signed C# assembly

We have a closed source software written in C# that we sell. All of our assemblies are signed. We want to use a third party assembly, that is published under the GNU Lesser General Public License v2.1....
3
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1answer
265 views

Android GPL app that opens a closed source app

Is legal if I edit an open source app with GPL license and make it open source again with GPL license but for doing some tasks it opens another app that is not open source? For example: GPL app ...
3
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1answer
116 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 ...
3
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2answers
719 views

Can I publish only select code under GPLv3 from a private project?

So my team is planning to go open source with a project that has been in development together with an industry partner for some time now. We're not sure about the licensing yet, but GPLv3 looks ...
3
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3answers
2k views

Conditions on binaries incorporating BSD 3-clause licensed code

I have developed a software that uses (is statically linked to) code licensed under BSD 3-clause license. Just reading the license terms, it seems to me that I'm obliged to allow any one who I sell (...
3
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2answers
425 views

Are there legal issues with bundling one's own LGPL-licensed code with proprietary code?

My company's legal team is currently worried about how to move forward with some app releases intended for our enterprise customers. Here's the gist of it: We have many products referred to as "apps"...
3
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1answer
95 views

Do I own derivatives of my copy written work? Can I make these open source?

Suppose I have a software program I publish under a non-free license that does not give permission to create derivatives, and I own the copyright. Someone decides that despite the copyright they are ...
3
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1answer
1k views

How can I build proprietary software on top of open source software? [closed]

Lets say that I want to use Linux kernel, but I want to create some proprietary code on top of it (like create a Linux distribution) and later on sell it combined with the Linux kernel (like Mac did ...
3
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1answer
66 views

How do I pick the best suited license for my software?

I own a new software development company, and I developed some software that I want to sell in the future, but for now, I want to give it out free but still want my company accredited in some type of ...
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 ...
3
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1answer
457 views

Will there be any obligation if I distribute GPLv3-licensed software inside the Docker container?

I have a GPLv3 code inside the container which I am planning to distribute. I also have a proprietary code in the same hardware where the GPLv3 code inside the container runs. Does this mean I have ...
3
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1answer
97 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 ...
3
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2answers
550 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 ...
3
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1answer
161 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 ...
3
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1answer
92 views

Mozilla Public License for core open source modules but proprietary modules?

I have built a framework that has the core modules: module1, module2, module3, module4. But I have also build module5 that uses the core modules and also derives classes from the module1. I want ...
3
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2answers
2k views

GPL, LGPL or MPL for open source app with closed source Pro flavour

I have had a fairly popular Android business app on Google Play a while now. It is available as a free version and a version with features targeted to bigger businesses. I am currently in the process ...
3
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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 ...
3
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1answer
342 views

Does an application linking to an unmodified LGPL-3 library need to be debugger-friendly?

I currently work on a proprietary, closed-source software suite, which is distributed to customers as part of a larger package (including various hardware and services). The software suite uses LGPL-...
3
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1answer
115 views

What happens if I use a FOSS library and distribute my program with the proprietary license?

As I said in the title I have created a software that contains a library that has FOSS license.. 1) can I distribute my project with proprietary license (either sell it or give it for free) ? 2) If ...
3
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0answers
196 views

Ok to mix open source with closed source?

I am considering creating a product which has 2 parts: Client (video screengrabbing) - which makes use of an existing (GPL licenced) screen grabber and uploads video + metadata to … Server (video ...
2
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1answer
89 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 ...
2
votes
1answer
135 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 ...
2
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1answer
68 views

Is there an existing license that is copy-left by default, but allows use in proprietary software through case-by-case negotiation?

I'm looking for a license which is designed such that anyone can use my code so long as the license they release it under is copy-left. However, I'd also like to be able to license my code out for ...
2
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2answers
1k views

how did Elastix move from GPL to proprietary?

I'm just scratching the surface for VoIP with Elastix. I notice that Elastix 2.x is "open source" but 5.x is proprietary? Looking into licensing from the manual on Elastix brings: http://www.3cx....
2
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2answers
51 views

Is it possible to link an LGPL v2.1 software with a proprietary library?

If I understand correctly, the LGPL v2.1 (and the subsequent licenses) allow an user to link a proprietary program to the LGPL licensed library as long as the open source library can be modified and ...
2
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2answers
76 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 ...
2
votes
1answer
175 views

Proprietary desktop application that works with AGPL-licensed server application

I'm programming a desktop application that's proprietary. On my server, it will run application with the AGPL (Affero General Public License). Server app will process the data that will come through ...
2
votes
1answer
373 views

How can I structure my program to honor the AGPL and a proprietary license scheme?

I am writing an HTML5/JavaScript app (A) with a closed-source license, into which I wish to import data from third-party program (B). I wrote a library to read (B)'s data files, but as it is a ...
2
votes
1answer
43 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 ...
2
votes
1answer
117 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 ...
2
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1answer
86 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 ...
2
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1answer
92 views

How open or proprietary are the various PBX systems?

Is the following situation with FreePBX standard for VoIP? Why Not Use FreePBX 13? Glad you asked. Despite the freepbx.org facelift1 and the eternal message that “The ‘Free’ Stands for Freedom,”...
2
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1answer
137 views

Can we edit Google Android sample project and create app

I searched all over the Internet but I was not able to find if anyone has raised this issue. I want to edit some files in an open source sample project provided by Google (change some methods and the ...
2
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0answers
47 views

Proprietary app injecting CSS into a remote self-hosted GPL web-app in WebView

I'm building a proprietary application that loads into its WebView a remote, self-hosted GPLv2 licensed web application. I'm sure that loading a resource via WebView will not violate GPL (the web ...