All Questions

2
votes
1answer
24 views

Do I have to attribute licenses of all the libraries of the same project?

Let's say I use Jersey Inject, Jersey Container Jetty HTTP, Jersey Container Servlet Core for the backend of my Android App. In the "Open Source Libraries" section, do I have to mention them all ...
3
votes
1answer
42 views

GPL v3 - Does freely distributed software that includes GPL licensed code also require sharing source?

The Arkansas Division of Land Surveys shares all of their documents as pdfs with password protection, and they have a little viewer app that has the password built in: https://surveyor.arkansas.gov/...
3
votes
1answer
17 views

Does using a GPL v2.1 as a resource in studying count as derivative work?

I came across source code for an AI that plays some classic video games. It's licensed as: GNU LESSER GENERAL PUBLIC LICENSE Version 2.1, I understand the Gnu license pretty well and if I were to ...
3
votes
1answer
24 views

Licence for usage of GPL, apache licence

Never though of that before, until read Linus note in Linux kernel: "GPL below is copyrighted by the Free Software Foundation" So, what right do we have to use so called free software licences? ...
0
votes
1answer
30 views

Can i use Qt Virtual Keyboard?

Is this design correct? System Qt 5 has qtvirtualkeyboard thich is GPL. Can I link my proprietary app with system Qt? Can I create open source app which run Qt Virtual Keyboard then load my app as ...
6
votes
1answer
54 views

What are the drawbacks of releasing my language under MPL 2.0?

I'm about to publish the source of the compiler of my new language and the standard library, both written in this language. I need to choose the license. GPL is too restrictive (even with the linking ...
5
votes
1answer
84 views

Is there a legal definintion of a file?

The MIT, GPL, and Apache Licenses all make references to "files". Here are example of such references: (all emphasis added) MIT: Permission is hereby granted, free of charge, to any person ...
3
votes
3answers
90 views

Must a plugin for a GPLv2 work also be GPLv2?

I would like to develop an addon/extension plugin for an existing WordPress plugin, to add some premium features, but the base plugin's source-code is under GPLv2, which makes me doubtful... Is any ...
1
vote
1answer
30 views

Can I use a company's name in my open-source project?

I'm developing a small open-source plugin for a fairly well known CMS, which as far as I can tell has a trademark on the product and company name. It's starting to get a bit of traction, so I'm in the ...
7
votes
2answers
129 views

How do I handle aggressive or toxic project maintainers?

One thing in OSS I have now run into a few times are project owners or maintainers who are very aggressive. Sentences are taken out of context, asking about a design decision is seen as an attack and ...
2
votes
0answers
28 views

Can I use AVS Device SDK to access another voice service API?

We are developing a smart device in China and we would like to use DuerOS as our voice assistant. Since they have a version of API which is fully compatible with the Alexa Voice Service APIs, we want ...
6
votes
1answer
219 views

Modifying the copyright statement in WTFPL

A project I am following uses the WTFPL but updated the text to replace the copyright statement Copyright (C) 2004 Sam Hocevar <sam@hocevar.net> with the project author's name and email ...
2
votes
1answer
40 views

WordPress: is extending plugin allowed by GPLv2?

I would like to extend an existing plugin (for example FileBird), to add some features, and later publish and sell it off... But although the plugin's source-code can be simply downloaded from ...
4
votes
2answers
1k views

GPLv2 - licensing for commercial use

I have a few questions regarding the GPLv2 license: For it to be GPLv2, I need provide access to my source files? If I use the v2 license, but charge for use, do users HAVE to purchase my license in ...
5
votes
1answer
80 views

LGPL license in a concatenated JS file

I came across an old project in which there's a LGPL licensed JavaScript code was used. The code had the commented LGPL license information, but it was in a combined JS file (Not minified though) ...
2
votes
1answer
70 views

How can Qt charge for a commercial license without getting copyright assignments from contributors?

As I understand, if the copyright holder accepts external contributions under GPL / LGPL, they are no longer the sole copyright owner and cannot charge for a commercial license. Or does this only ...
3
votes
1answer
31 views

Can I use cacert.pem file (MPL 2.0) as part of my proprietary program

I need The Mozilla CA certificate store file in PEM format to be always available to my Windows C++ proprietary application. I can copy it to user machine as part of normal installation of software, ...
7
votes
1answer
97 views

Does “the GPL doesn't cover the ouput of a program” also apply if the output is source code?

As it is well known (see for example this question or this one), the GPL licenses do not cover the output of a GPL-licensed program. So, I could for example generate some pictures with a GPL-licensed ...
4
votes
1answer
64 views

Can I sell Wiktionary data?

I'm wanting to sell Wiktionary word definitions - not the raw page HTML and content, but extract the word definitions and package them in a couple of formats: Documents (e.g. PDF) Powerpoints App ...
1
vote
1answer
50 views

Who holds the copyright of standard lib C implementations?

I was wondering, since the ISO standard already gives already examples for a few functions on how to implement them, but by far not all, and I am not too sure, where exactly the functionality is ...
2
votes
0answers
92 views

Can I sell and distribute my software using OpenJDK without having to release my code?

We develop a software for commercial use and sell it to customers. The software is a web based software that requires Oracle JDK for running (JRE). We are considering moving to OpenJDK because our ...
3
votes
1answer
34 views

Can I use separate license for commercial use?

I would like to create a REST API in my server that internally use a GPL library. As far as I know the GPL license affects the 'distribution' not the 'usage'. -So whoever calls(uses) my REST API ...
2
votes
1answer
38 views

Debian packaging … is licensed under the GPL version 3 in copyrights file

On Ubuntu I see for many packages copyright file under /usr/share/doc/%PKG_NAME%/. In the file of some of those packages, I see the following at the end of the file (protobuf, which looks like BSD (...
4
votes
2answers
86 views

Release GPL/Open version of project, still sell proprietary license?

Having witnessed projects such as LUFA, which are open source with the MIT license but still have a purchase button for a proprietary license of the toolbox (revoking the MIT License and offering ...
4
votes
2answers
87 views

Why does the clause 3 of 4-clause BSD makes it incompatible with GPL?

As explained on the GNU GPL site, the 4-clause BSD is incompatible with GPL because of the clause 3 which states: All advertising materials mentioning features or use of this software must ...
4
votes
2answers
74 views

Amount and way of publishing under share-alike license

I found a small C++ code example (containing a function) that is under CC-BY-SA-4.0 license. I am thinking about revising that example, extending it to multiple functions and using it in a much bigger ...
14
votes
2answers
3k views

GPL code private and stolen

I have a question regarding code which was originally under GPL. The code was used and was built upon and used as a service. The code was kept private, which seems okay under GPL. However, if one of ...
1
vote
0answers
26 views

Does rewriting a library in another language allow escaping GPL? [duplicate]

Given a library A, which is written in C and licensed under GPLv2, and lib B, which is written in Rust and compatible with the API/specs of lib A but the devs have read through the code of lib A, can ...
2
votes
1answer
69 views

Can I be accused of using MIT library in my codebase that internally depends on library not compatible with MIT?

In general, when I make my code dependent on library, do I have to check its dependencies licenses or library license is the only one to be checked on my side? Can I be assused of using MIT library ...
4
votes
1answer
58 views

What does it mean to say two licenses are compatible?

If license A is compatible with license B, does it mean that one can combine code from those two and should be able to release combination under license B? or Is it just symmetric like 'A is ...
4
votes
1answer
148 views

Difference between MongoDB SSPL license and GNU AGPL

I'm trying to understand the difference between the SSPL and the GNU AGPL license, after reading the terms of SSPL. The 13th clause of the license states the following: If you make the ...
4
votes
1answer
58 views

Does GPLv2 allow removing link to original work and adding limitations?

I am a new software developer, so I tend to have works with many open source project on the Internet. I have a few question about the GPL licence, can someone help me to understand them, and if ...
5
votes
1answer
52 views

Can I GPL licence a plugin for a non-free program

I am working on a plugin (in lua) for a proprietary program, but would like to make my plugin open source, and require that anyone making derivative works/plugins also do so. This seems like a good ...
4
votes
2answers
63 views

Alternative implementation of an LGPL library

Is it possible to write alternative implementation of a library which is covered under LGPL 2.1 and keeping the same API ? The alternative implementation will be in the closed source.
1
vote
0answers
17 views

mapbox-gl-native license [duplicate]

Mapbox-gl-native is licensed under 3-Clause BSD license. The license states that we need to attribute mapbox in binary form. Buts its not clear if we can mention within a menu of the app we make or ...
3
votes
2answers
113 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 ...
0
votes
1answer
58 views

When must a project that uses GPL licensed projects use a GPL license?

i have a project that needs to use tools licensed under the GNU/GPL license. my question is: must a project that a uses GPL licensed tool like netdiscover be licensed as a GPL project? if my ...
2
votes
0answers
30 views

Releasing a JS library made in TypeScript as MIT including compiled files

TypeScript is a programming language released as Apache 2.0. Can I create my own JS library, using TypeScript, and publish it under MIT, including the compiled results (i.e. including the auto-...
-1
votes
1answer
64 views

Can I create a GPL wrapper that runs my closed source application combined with a GPL part

I have this situation: I have my application implemented as propriety library. (Like a GUI component that could be embedded in something else) I have a virtual keyboard library that is GPL. I would ...
0
votes
1answer
44 views

What is really accepted as an open source project for GPLv3?

Let's say I want to use a Javascript component that is under the GPLv3 license. That forces me to license my product under an open source license compatible with GPLv3. So, let's say I have an ...
1
vote
2answers
77 views

Is it legal to fork “gpl 2 or later” software and make “gpl 2 only” changes

I've found interesting open source project (mostly dead now) and I would like to fork it, fix some bugs and use it. The project is licensed under "gpl 2 or later", however I'm not big fan of "gpl 3", ...
9
votes
2answers
586 views

Is the Maximum Use License for Everybody (MULE) a FOSS license?

I encountered an obscure software license called the Maximum Use License for Everybody (MULE). (I have used text from version 4 below, but my concerns also apply to version 3.) The license first ...
2
votes
1answer
28 views

If I have many distributable packages in the same repository, do I need to include a LICENSE file with all of them?

I'm creating a project with Lerna, so there's multiple NPM packages in the same repository. Is it necessary for me to place a LICENSE file inside each NPM package, such that when the user downloads ...
0
votes
1answer
39 views

BSL Copyright Notice

According to the BSL using Boost requires The copyright notices in the Software [...] must be included in all copies of the Software, in whole or in part, and all derivative works of the Software, ...
1
vote
1answer
34 views

License Selection for An Open Document Project with Codes

I am planning to open some my technical notes with example code snippets. Text will be in Markdown (.md) and reStructuredText (.rst) files. Output document (PDF or HTML) will be generated, let's say ...
1
vote
1answer
49 views

Is LGPL compatible with GPLv3?

If I have a project using LGPL (GNU Lesser General Public License), would I be able to use within it another component which is under GPLv3? Is there any site where I can see all the compatible ...
14
votes
4answers
2k views

When distributing a Linux kernel driver as source code, what's the difference between Proprietary and GPL license?

The company I work for is selling PCIe cards. I'm writing the Linux driver for it as a Linux kernel module. When selling these PCIe cards, we give along the Linux kernel driver as source code. ...
3
votes
1answer
41 views

GNU General Public License version 2 on a game image resource

I am creating a commercial game, with most resources using CC-BY-xx licences for graphics, sound etc. I have found some graphics that i want to add to my game. However, these graphics are licensed as "...
1
vote
2answers
45 views

What widely available software license is appropriate if I want to freely distribute but keep my own right to sell?

Edit: This was originally posted in law.stackexchange and was moved here with no input from me. I'm well aware that most Open Source advocates argue against any license that restricts others from ...
1
vote
1answer
149 views

Java OpenJDK 11 and Spring licenses

I'm developing a web application with Spring (and Spring Boot) and Open JDK 11 and I'm very confused about their licenses and how I can combine them. Open JDK 11 is released under GPL GNU 2 (with ...

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