We’re rewarding the question askers & reputations are being recalculated! Read more.

Questions tagged [lgpl]

Use this tag for questions about the GNU Lesser General Public License, how to apply it, or how to re-use works under this license

Filter by
Sorted by
Tagged with
3
votes
1answer
499 views

LGPL static linking

I know there are already many other questions asked about LGPL requirements, but none of those did match my case I want to distribute a free application which uses a LGPL-licensed library (Qt) ...
2
votes
0answers
145 views

Usage of a part of a EPL library in LGPL or Apache 2 project

As I understand it, I am allowed to link a eclipse licensed jar to an LGPL or Apache 2 licensed open source project, without to change the projects license. Correct me if I am wrong. The question is,...
5
votes
2answers
274 views

Shouldn't LGPL v3.0 provide exception to section 5 (instead of section 3) of GPL v3.0?

Taken from section 1 LGPL v3.0 (https://www.gnu.org/licenses/lgpl-3.0.en.html): You may convey a covered work under sections 3 and 4 of this License without being bound by section 3 of the GNU GPL. ...
9
votes
1answer
660 views

Including untouched LGPL library in a MIT-licenced project

Can I include a library licenced under LGPL 2.1 in an MIT-licenced project without any legal problems? Since it's not a compiled language, I would provide the full untouched source code of the ...
2
votes
1answer
80 views

Are the terms of LGPL 3.0 already covered by GPL 3.0 aggregate definition

Are full terms of LGPLv3.0 already covered by GPLv3.0 section 5 under the terms of an "aggregate"? A compilation of a covered work with other separate and independent works, which are not by ...
3
votes
1answer
720 views

Does compiling a JS bundle with webpack/browserify violate the LGPL license?

According to the LGPL license, you must release your source code if you statically link a library. Here's an excerpt from tldrlegal.com: If the software is statically linked (i.e. compiled into) ...
9
votes
1answer
248 views

What exactly do I need to do license-wise when using LGPL 2.1 licensed code

I am using a LGPL (GNU Lesser General Public License version 2.1) licensed library in my Java project I'm soon about to release. In order to solve a bug in this library I have copied a particular ...
1
vote
0answers
62 views

“Free” licenses understanding and workaround for a simple java app

I'm developing a java app with my hands and feet. I intend to share it with people and it may become commercial. He who knows can write it all down in notepad but I have been using Eclipse. The ...
1
vote
2answers
124 views

GNU Lesser GPL with additional requirement for customer reference

I am planning to release a software under GNU Lesser GPL (not sure yet if v2 or v3 should be used). But I would also like to state a requirement that whenever my software is used commercially the ...
4
votes
1answer
49 views

What are the disadvantages of distributing my commercial application along with Object code as per LGPL licence?

I am considering using a library licensed under LGPL which states... If you link other code with the library, you must provide complete object files to the recipients, so that they can relink ...
6
votes
3answers
3k views

Modifying an LGPL library and using it in a commercial product

I found a library which helps me implement something for a company: https://www.openmuc.org/sml/ Its license is LGPL. Unfortunately, I'd like to use this library for an Android project and there I ...
2
votes
2answers
74 views

Licensing questions

I've been developing a Django app for my work (scientific stuff), and I'm planning to release it on GitHub very soon. But I do have licensing questions to be sure to do it right. This work is ...
2
votes
1answer
415 views

Do I need to provide build/install instructions for LGPL-2.1 or AGPL-3.0 licensed libraries?

We have a Java project which uses a couple of libraries licensed by LGPL-2.1 and uses MongoDB which is licensed by AGPL-3.0 as its database. We don't modify any of them. Our legal team claims we ...
5
votes
3answers
1k views

Dynamic linking LGPL library and licensing in Windows Store app

I've a project in which I would like to use an LGPL licensed library, in this case FFmpeg without changes. I've run through questions and answers regarding LGPL in commercial products with conclusion ...
1
vote
2answers
512 views

Implication of LGPL and MIT licenses for commercial use (of JSXGraph library)

I'm interested in using the JSXGraph JavaScript library in a website project. The library is covered by the LGPL and MIT licenses. I'm new to licensing and am trying to answer the following question:...
4
votes
1answer
773 views

Provide closed-source application with LGPL-Libraries

We plan to ship an application together with the required dynamic-libraries (SO/DLL), we link dynamically against one of these libraries, which uses the others libraries. The LGPL requires us to ...
-1
votes
1answer
55 views

What open-source license should I use for my tool?

I have developed a tool that uses another tool to convert a file from format#1 to format#2. And currently, my tool works only if it is given the file in format#2 as input, and so, it depends on that ...
16
votes
5answers
3k views

How to prevent contributors from claiming copyright on my LGPL-released software?

I have published the first version of my software on my company's git repo and some other developers outside of our company have shown interest in contributing to our work. We are releasing our ...
7
votes
2answers
3k views

What are the implications of glibc (GNU C Library)

What are the implications of glibc? The library is installed on most GNU/Linux systems (and maybe others, don't know). The thing is it is supposedly licensed with LGPL, but I am not sure which version ...
7
votes
1answer
918 views

How to comply to LGPL with Maven/JAR packages?

I’m using Maven to package my JavaFX project for distribution. Since JavaFX is licensed under LGPL, I need to allow users of my project to replace its DLLs by newer or compatible versions. But I don’t ...
1
vote
1answer
1k views

FFmpeg LGPL licence and embedded codecs

I want to use FFmpeg in commercial software using its LGPL licence without enabling the GPL add-on. However, the libavformat library allows decoding for a lot of codecs straight out of the box. These ...
5
votes
1answer
228 views

Javassit: What has to be distributed when using the pre-compiled .jar?

I am using Javassist within my free open-source project (Javassist is included as pre-built .jar file which has been downloaded from the Releases section on their page, no source code). I'm now ...
4
votes
1answer
247 views

Licensing of 3rd party libraries

I'm using a 3rd party lib in Java which has the LGPL license. E.g. jasperreports (https://mvnrepository.com/artifact/net.sf.jasperreports/jasperreports/6.3.0). Which license is relevant for me as a ...
4
votes
1answer
894 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 ...
5
votes
1answer
583 views

Changing QT library licence for application from LGPL to commercial

I consider myself an amateur and the following is based on my limited understanding. I also live in Germany, but copyright questions would probably cross borders anyway. Situation Let's assume I ...
8
votes
2answers
351 views

Redistributing LGPL 2.1 code compiled by a proprietary compiler

Can I redistribute the binary form of someone's LGPL code compiled with a proprietary compiler which is not included in the operating system? LGPL 2.1 says: For an executable, the required form of ...
2
votes
2answers
67 views

Contracting Around LGPL

A client of mine wants to static link its proprietary commercial work to a library that is licensed under LGPL that is sold by VMime in France. VMime's website purports to explain that the purchaser ...
7
votes
2answers
874 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 ...
6
votes
1answer
534 views

Can I use/distribute LGPL command line software in mine that isn't LGPL?

I've developed a little software that use FFmpeg in command line mode. To further clarify: My software launch several times ffmpeg.exe that is stored inside the same folder as my .exe. User never ...
6
votes
1answer
315 views

LGPL3 library in Apache 2.0 licensed library

Can I open source my project under Apache 2 if it uses a LGPL3 library without modifying it? I'm not planning to distribute the LGPL3 library along with the code. My understanding is that LGPL3 ...
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 ...
3
votes
1answer
76 views

Does it make sense to have a program under the LGPL?

A little background: I have a library project which I put under the LGPL v2.1. However, I have two applications inside the project tree using the library. It would be somewhat inconvenient to make ...
3
votes
1answer
1k views

Is it possible to make closed source code while using the following libraries?

I am not good at Licensing issues. So my question - If my program is using these libraries (only linking like -ludev, -lblkid, -lcrypto, -lssl, -fopenmp) - libudev (LGPL version 2.1 of the License, ...
2
votes
1answer
54 views

Complex mix of licenses for stand-alone installer, and the softwares it installs

I'm writing an installer for some softwares, and wish to make the installer stand-alone, i.e. everything baked into a single executable. One of the softwares that are installed has GPL 3, built from ...
1
vote
1answer
48 views

What license to use while using GPL/LGPL source code?

There is an application A. It uses the GPL license. There is another application B that takes all of A's code and improvises it. In its repo, both GPL and LGPL license can be found. We are building an ...
3
votes
1answer
86 views

What exactly is terminated by the breach of LGPL?

One of dependencies of a game engine that I'm using has an LGPL license. If I, for some reason, forget to upload the license file, do I lose rights to my own part of the code that isn't GPL? Likewise,...
4
votes
1answer
183 views

What's the closest to GPL3 I can get while staying compliant with the EPL and APL?

The Eclipse Public License and the GPL (2 or 3) are not compatible. [ ... ] you may not combine EPL and GPL code in any scenario where source code under those licenses are both the same source code ...
0
votes
1answer
149 views

Would I violate anything if I use vlclib for android in my closed-source app?

I'm developing a video player and I want to use vlclib for android for better codec support. I have some questions in mind regarding use of the library in my project. Would I violate anything if I ...
9
votes
2answers
1k views

Own LGPL code in proprietorial project

I've written a library that I use in closed-source project. After a short discuss with my boss we have decided that this library can be useful for many others and we made this library open source ...
1
vote
1answer
73 views

If I distribute amazon AMI with my service that calls LGPL software, do I have to provide source code?

I have a question about licensing, and because my legal English isn't really strong, I was hoping for a simple answer... My idea is to create a set of services, that uses command line programs which ...
6
votes
3answers
1k views

Do I need to host Qt source when compling with LGPLv3 license?

We are using Qt(5.3.2 - opensource) for one of our applications that we are going to be distributing (closed-source). We dynamically link to Qt and have made no modifications to Qt. At Qt's Legal ...
7
votes
1answer
924 views

Compatibility between EPL and LGPL

I'm using LGPL binaries, as well as EPL binaries for my open source project. Is this OK? And if yes, does that mean I should license my project under LGPL? The binaries are being used as dependencies ...
6
votes
3answers
627 views

iOS application using LGPL library

I am integrating an LGPL application to my iOS application. I am modifying the LGPL application in such a way that, I am integrating a new library to it. So the flow is like this: Appl Code >> LGPL ...
6
votes
2answers
243 views

Taking a clone of an LGPL licensed source code and modifying and maintaining in a private repo

We started to use an open source library in one of our projects, and now we need to do some custom modifications to this library. The source of this library is distributed under LGPL and I need some ...
5
votes
2answers
189 views

Pull request ownership, who owns the code committed?

Say I create an Open Source project on Github licensed under e.g. LGPL like Qt. As I understand ownership of code, if I wrote a piece of code, I am free to change the license at a later point, as long ...
-1
votes
2answers
238 views

Can I use Stack Overflow code by creating a LGPL library of code snippets first and then linking to that library?

All code posted on Stack Overflow is currently licensed under CC-BY-SA. If the code crosses the "threshold of originality", you have to distribute your whole project under a copyleft license. This may ...
1
vote
1answer
74 views

Are YouTubers Allowed to Record any Game [closed]

For games like minecraft it is released under "LGPL 2.1 or later", does this mean that if you record Minecraft the video must also be released under the LGPL 2.1 or later? Is a separate license ...
6
votes
2answers
1k views

Using GPL or LGPL licensed framework for web application

I am developing a web application which streams videos. For the frontend I intend to use the richfaces framework for jsf. That framework is licensed under the LGPL v2. Does that mean that I have to ...
4
votes
1answer
263 views

What license should I release my code under? It contains FFmpeg binaries, code from NAudio and code from FFmpeg.Autogen

I want to release my WPF Media Element based on FFmpeg on GitHub. I want to be as permissive as possible. I believe that this control could be of great help to a ton of people. Here are the links to ...
2
votes
0answers
33 views

How is the LGPL different from the GPL with a class path exception? [duplicate]

As far as I understand, the GPL is a license with an incredibly strong copyleft trait. That is, anything that even links to it, let alone modify it, needs to be released under the GPL. Due to this '...