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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19
votes
1answer
3k views

Are all docker images free (i.e. GPL)?

Looking at the GPLv2 FAQ. I'd like to incorporate GPL-covered software in my proprietary system. Can I do this?. Since, any typical Linux distribution base image contains a variety of GPL-licensed ...
35
votes
4answers
14k views

Is it legal to use GPL code in a proprietary, closed-source program by putting it in a separate, standalone program?

As we all know, the GNU General Public License (GPL) is a "copyleft" source license: which means it is designed not merely to make the code to which it is initially applied free and preserve its ...
6
votes
1answer
938 views

As owner of GPL library, can I break the licensing terms?

As far as I understand, choosing GPL licence for library does not permits use of it in proprietary programs as opposed to LGPL. So releasing my library (or code classes), I'm forcing people to use ...
21
votes
3answers
1k views

What happens if stolen software is published as Open Source?

This is not a real world issue, at least for me. It is more about a thought experiment from a talk that I once had with a friend: Let's say that Acme develops closed source software for their own ...
34
votes
6answers
3k views

Is it possible to close an open source project?

If yes, what are the consequences of Open Source projects being discontinued, if it's done by a large organization? As per this post, the older version of project can still be used under the same old ...
4
votes
1answer
98 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) (...
8
votes
3answers
2k views

Can I develop closed source software with an open source development environment? [closed]

Are there any legal consequences that I could encounter with? If it's possible, what should I keep a close attention to while I'm doing it?
1
vote
3answers
128 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 ...
24
votes
2answers
5k views

Why doesn't this GPL loophole work?

Suppose Alice makes some proprietary software. The source is available, but under a proprietary license which prohibits derivative works and sublicensing. Bob writes some GPLv3 code. Carol prepares ...
8
votes
3answers
231 views

What does the Open Source Initiative say about proprietary software?

I found that FSF considers proprietary software to be unethical (bold emphasis mine): Proprietary Software Is Often Malware Proprietary software, also called nonfree software, means software ...
6
votes
1answer
314 views

GPL v2 and proprietary extensions

I am trying to understand when do the GPLv2 spreads from a program to its extensions and vice versa. Everything I've read seems to say that if you use a module (shared library or any other "tightly ...
11
votes
2answers
706 views

How to accept contributions for AGPL / proprietary dual-licensed projects?

Supposed I have written a software that I offer using a dual-license model, using AGPLv3 as OSS license, and a proprietary one as commercial (closed) license. Now, let's assume somebody wants to ...
6
votes
2answers
2k 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. ...
5
votes
1answer
78 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 ...
5
votes
2answers
722 views

Can I sell closed source software which uses some CC BY-NC-SA code?

Can I sell software which uses someone else's code which is licensed under Attribution-NonCommercial-ShareAlike 3.0 Unported? The software is closed source, and aside from the borrowed code, is ...
5
votes
1answer
1k views

How can LGPL and proprietary licenses be combined?

I have a project, a big portion of which can be released as LGPL, but there are still some portions that must keep a more restrictive license. I'm not sure what exactly is allowed. The intent is ...
4
votes
2answers
720 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 ...
2
votes
3answers
918 views

May I use AGPL license in a desktop application without providing the source code?

We develop a commercial desktop application that uses an AGPL library. The lib's code is just used, not modified. Our application runs completely offline. May we use the AGPL library without having ...
2
votes
1answer
154 views

Can an LGPL-3.0 library or application link against a Proprietary library

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 ...
5
votes
2answers
173 views

Licence for open-source code which is part of proprietary code?

I've a proprietary program which is using OOP classes which I want to publish as FOSS (only the classes). Which FOSS compatible license I can choose for the classes which will work with my ...
4
votes
2answers
318 views

Re-implementation of a proprietary API

There is a proprietary library whose API I want to re-implement, which is provided to the users with specification, and its use is limited by its license to internal evaluation (to develop programs ...
3
votes
1answer
940 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
votes
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 ...
2
votes
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....
1
vote
1answer
99 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 ...