Questions tagged [gpl]
GNU General Public License
114
questions
3
votes
2
answers
608
views
Does FFmpeg LGPL license apply in case if application is using FFmpeg via CLI
Does FFmpeg LGPL license applies when FFmpeg is being used from my application as an external tool, which is being called via command line interface? I do not compile, modify or even include FFmpeg ...
- 33
1
vote
1
answer
1k
views
MySQL Open Source License
I plan to develop and sell a commercial, closed source application and I want to use MySQL to store data.
The application will be written in C++ and the MySQL server will be installed on end user's ...
3
votes
2
answers
221
views
How does GPL v3 work?
I want to use the GPL v3 version of EXT JS for a project, but I'm very confused about how it should be used and whether or not I should get the paid version. I'm seeing different answers on the net so ...
- 195
4
votes
1
answer
291
views
GPL v3 - Do I need to show passwords and secure keys in source
I'm developing in Python using Qt5 (PyQt5), which uses GPL v3 (http://www.gnu.org/licenses/gpl-3.0.txt).
I understand I need to make the source available, but if I create a separate file secret.py ...
- 143
1
vote
1
answer
166
views
GPL - Do I have to distribute the source of my changes?
I will be creating a piece of (probably) commercial closed source software. It will be a web game. I hope to use some software that is GPL licensed, like nodejs or express(js). If I make minor changes ...
- 121
2
votes
1
answer
220
views
Contribution terms for an LGPL Licensed Project
Background: I am making contributions to a certain project which is released under LGPL and also under a commercial license.
According to the terms of contribution in the project by doing so I am ...
- 103
10
votes
2
answers
486
views
At what point and how should I change the license/Copyright notice when I create a derivative?
If I take a piece of software that is licensed as MIT (quoted at the end), and use it as a scaffold to create for my own thing, do I need to keep including the old license perpetually? This would seem ...
- 201
6
votes
1
answer
319
views
Advantage in being first to copyleft a new algorithm?
Say I have created a new (DSP) algorithm. Will I have some advantage if I open source the algorithm under copyleft licence (GPL etc.)? From what I know about licensing this should lock people out from ...
- 430
11
votes
2
answers
762
views
Relicensing software under GPLv2+ without all contributors
I have software licensed under GPLv2, which I would like to relicense under GPLv2+. Unfortunately, I an unable to contact some of the contributors. Can I proceed, or am I stuck?
- 922