Questions tagged [lgpl]
For questions about the GNU Lesser General Public License, how to apply it, or how to re-use works under this license
346 questions
- Bountied 0
- Unanswered
- Frequent
- Score
- Trending
- Week
- Month
- Unanswered (my tags)
6
votes
2
answers
739
views
Handling client integrity for closed/opensource mixed project
Let's say I have a project in which I use modified LGPL libraries that is used by my own code. As far as I understand it, I am obligated to publish the changes I made to the LGPL libraries, and I am ...
-1
votes
0
answers
26
views
Can I use ffmpeg for commercial use only install in my computer [duplicate]
I want to offer a service,
Custom send video to me
I use ffmpeg transform video format in my computer
Send video to my custom.
I don't very understand "Distribute" in license is include &...
12
votes
1
answer
183
views
What does it mean, if a C or C++ header with non-trivial code is LGPL licensed?
LGPL has certain requirements for software that uses LGPL libraries. The most common way to satisfy these in otherwise closed-source software is to supply the LGPL library as a dynamic library, which ...
8
votes
1
answer
905
views
What license to use when extending a pre-existing library?
I have built a class for extending PHPMailer and wish to release it via composer/packagist.
<?php
/**
* PHPMailerMonkeyZeus - Description.
*
* @author MonkeyZeus
* @copyright 2025 MonkeyZeus
...
5
votes
3
answers
138
views
LGPLv3 section 5
Does section 5 of LGPLv3 apply to opensource library like mit, bsd based based library as well?
As LGPLv3 says in section 5
Combined Libraries.
You may place library facilities that are a work based ...
7
votes
4
answers
1k
views
How to release source-code under GPL with exceptions?
I want to release the source code of a profiling/performance analysis library for a platform that doesn't really support dynamic linking.
If the library code is modified or used in a tool/library that ...
7
votes
1
answer
892
views
Is this a conflict in the GNU GPL v3, section 7?
I need clarification on what appears to be conflicting language in GPL v3 Section 7 regarding additional permissions.
The apparent conflict:
Section 7 states:
Additional permissions that are ...
2
votes
1
answer
319
views
How to use LGPLv3 licensed libraries with pyinstaller?
I have a commercial closed-source software compiled with PyInstaller, and I want to use PySide6 to create a basic GUI. However, I noticed that PySide6 is licensed under the LGPLv3. After researching, ...
8
votes
3
answers
2k
views
Is it difficult for commercial software to comply with Qt's LGPL license terms in practice?
Qt is licensed under either GPL, LGPL or a commercial license that costs to the tune of 5ドルK per developer per year.
One can comply with LGPL by simply linking dynamically or by distributing object ...
0
votes
1
answer
136
views
Bare Minima of Licensing under the GNU GPL and the GNU LGPL
What are the bare minima of licensing a program under the GNU GPL and a library under the GNU LGPL?
7
votes
2
answers
1k
views
Distributing a library under a license different than its examples
Given
I have a single repository that contains the following:
Library source files, written by myself, which I want distributed under the terms of the MIT license
Executable source files, which serve ...
6
votes
3
answers
2k
views
Is showing software on a trade fair 'distributing' the software?
Given I want to write a small GUI for a trade fair with Qt under the LGPL license. I want to distribute neither the software nor the object on which it sits with anyone. I just want visitors to be ...
3
votes
1
answer
143
views
LGPL license clarification
I would like to request some clarifications about the LGPL license. Specifically, I am interested in understanding how it works in the context of selling (for a fee) software that must comply with the ...
3
votes
0
answers
68
views
Error in the text of the LGPL 3.0 linking exception
I have found an error in the text of the LGPL 3.0 linking exception, as follows:
As a special exception ...providing any... Minimal Application Code...
There is no "Minimal Application Code" in LGPL ...
4
votes
0
answers
73
views
How to distribute LGPL2.1 dependency shared lib with a python package?
I am working on python bindings for a C library, which uses LGPL2.1.
My Python bindings for the library link dynamically against it. For the python bindings to work when installed I need to ship them ...