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Questions tagged [lgpl]

Lesser General Public License

-1
votes
0answers
5 views

Is using LGPL 1.2 or EPL 1.0 licensed jar allowed in proprietary software in Docker? [migrated]

I am creating a proprietary java application which uses some open source jars licensed with LGPL 2.1 or EPL 1.0. I am deploying the application in docker container with all jars inside it. Is there ...
-3
votes
1answer
170 views

How to revive an abandoned LGPL project? [closed]

There is an LGPL open source code in SourceForge that is quite useful, but entirely abandoned. I can see that the community struggles with code issues, but the original developer does not respond to ...
1
vote
0answers
41 views

Can GPLv3+ library be used as a component of a larger, LPGLv3+ library [duplicate]

The question is in the title. My guess is that the answer is "No", but I would appreciate confirmation. This page mentions as a downside of the Lesser GPL that using it permits use of the library in ...
0
votes
0answers
98 views

LGPL restrictions for a module in a nodejs project

I'm using an open-source LGPL module in a commercial Node.js project where we deploy our Node.js code on the client's servers. I've read that, amongst other legal specifications, i should make it ...
2
votes
1answer
201 views

Using Qt in Open Source App that Communicates with Closed Source Hardware

Preface I'm having trouble determining if I can use the Qt framework for developing a cross platform desktop app. Situation The app is open source, and the libraries it uses are also open source. ...
0
votes
2answers
307 views

Why should I release my code under BSD license and why not under LGPL? [closed]

I think the main difference between BSD and LGPL is that someone who modifies an LGPL library has to publish his modifications. I think this is usually a good idea because it guarantees that someone ...
1
vote
1answer
91 views

Static link GUI project as dynamic library

My app has 2 projects: logic.dll and GUI.dll. Currently, its size is 1MB, but the whole app's size is 60MB+ due to the dependency dlls. I've read about QT-LGPL license and know that to keep my app ...
4
votes
1answer
661 views

Can I use some GPL code in LGPL project?

Well, recently I found a problem about licensing. I have an open source project on GitHub, recently I need some codes which using GNU GPL, but my project is using GNU LGPL, so that's the problem. So ...
1
vote
0answers
486 views

(Node.js) It is possible to use a LGPL module on a Electron app licensed as Apache 2.0?

I'm developing a desktop app (using Node.js and Electron), licensing the code under Apache License v2.0 It's possible to add a module, licensed as Lesser GPL v3, to my app? I know that compiled ...
0
votes
0answers
307 views

Qt open source and DRM/Copy Protection

I have learnt from here and here that LGPLv3 does not forbid the use of a DRM technology: The LGPLv3 doesn’t forbid anyone from implementing any kind of DRM technology. However, if someone ...
0
votes
0answers
132 views

PSFL compatibility with Apache, LGPL, BSD, MIT

Description I start with a simple real case example: the foo.py, my secondary module: import bar #third-party package that use a license (see under) class Interface: #do something (see below) ...
1
vote
1answer
81 views

LGPL library is linked statically to other LGPL library

In commercial proprietary product library1 is used which is under LGPL. According to LGPL library1 is distributed separately as shared library. library1 statically linked to other library library2 ...
1
vote
1answer
1k views

Creating a private in-house application with Qt

I want to create an application using the Qt framework, but can not at all afford a commercial license. While looking at the licensing comparison table, I noticed that the LGPLV3 license said this: ...
10
votes
3answers
306 views

How was the Mono Project able to relicense their LGPLed libraries under MIT?

The Mono project used to have LGPLed libraries. In fact mbundle still says when you run it Note that statically linking the LGPL Mono runtime has more licensing restrictions than dynamically ...
1
vote
1answer
72 views

Software derived from LGPL library

In my project I've used a library marked with the LGPL license as a reference example to developed my own library which is completely different but it works roughly in the same way. Now I would like ...
3
votes
1answer
277 views

Open Source Licenses like GPL in Multiple Licenses models

How can an open source license be compatible with a multi-licensing scheme? According to a similar question, the author of a library could potentially change its license. But problems arise when the ...
2
votes
2answers
676 views

Accomodating a LGPL Python module into a BSD project

I have a program written in Python that I would like to make available to the public under a three-clause BSD license. My program has an import blah statement, where blah is a Python module that is ...
2
votes
1answer
364 views

Using GPLed headers in LGPLed library

For a specific device there exists a Linux kernel module. This module only initialized the device and provides control mechanisms to user land via ioctls and mmap. To use this the device properly one ...
0
votes
3answers
184 views

Re-releasing LGPL code as AGPL : need advice on how to phrase license

I have written a compression codec that I am releasing under the AGPL. I would like to link it with FFmpeg, a video streaming application. FFmpeg is licensed under the LGPL, but since it supports ...
3
votes
1answer
190 views

Distributing commercial software with Apache 2.0 libs that have LGPL transitive Dependencies

I have a commercial software project that uses a third party lib (org.quartzscheduler), this has an Apache 2.0 license. I thought I was ok but when I checked the transitive dependencies I found that ...
7
votes
1answer
2k views

Does providing object files satisfy LGPL relink clause?

From this question on SO, I read that: Proprietary Source code + LGPL Source code statically linked: Either you must release both parts as LGPL. Or provide everything that allow the user to relink ...
4
votes
2answers
3k views

If I create a desktop application using Tkinter, PyGTK or PyGame does my app have to be open source?

I intent to start learning desktop gui programming, so I've been looking to Python and it's Tkinter, PyGTK and PyGame. But I want to make proprietary software, so I'm concerned because of the licences ...
0
votes
1answer
171 views

Calling closed source library from LGPL library

I am integrating an LGPL application to my iOS application. As I am modifying the LGPL application, I am planning to open the modifications I make to the LGPL library. I am modifying the LGPL ...
1
vote
1answer
113 views

Prevent my clients from giving or selling my software using a LGPLv3 library to others

I am developing a commercial closed software using Qt which is under LGPLv3. May I prevent my clients from giving copies to other people?
-2
votes
1answer
530 views

Can I use Qt open-source for my web-scraping website? [closed]

I apologize if I should be understanding this more readily but I'm a little new to this and dont understand the LGPL license. Here is the FAQ for it: http://www.qt.io/qt-licensing-terms/ I am making ...
10
votes
2answers
535 views

Why does the LGPL require combined works to include a copy of the GPL?

I was reading through the LGPL license and found a requirement that I was previously unaware of. Section 4 (Combined Works) states: You may convey a Combined Work [...] if you also do each of the ...
-2
votes
4answers
1k views

Best freeware license for my closed-source application [closed]

I have no experience in software licensing so far. I am releasing my first application but I am not familiar with any licenses. Most of the the summeries found that I can understand (http://opensource....
3
votes
1answer
61 views

Modifying a GNU LGPL v 2.1 code and license

I have found a piece of code online (https://github.com/kenkendk/sharpaescrypt/blob/master/Source/SharpAESCrypt.cs) licensed under GNU LGPL v 2.1 If I would like to make some changes to this file and ...
3
votes
2answers
2k views

Qt, LGPL, Android and GooglePlay licensing

So, you can build Qt apps and deploy them to android. Taking a look at this post, I was wondering if making a game using Qt would be fine with LGPL legal terms given the following facts: The app ...
2
votes
1answer
206 views

Xamarin/Mono LGPL Compliance

The LGPL seems to stipulate that I have to distribute my app in a way that the LGPLed code can be replaced. Xamarin keeps saying that to distribute a mac app in the store, I need to use Xamarin.Mac ...
0
votes
1answer
214 views

Dual licensed (LGPL, commercial) library and contributions

I have dual-licensed library, LGPL 3 and commercial license. Someone downloads the LGPL version, makes some improvements and sends back few patches. So far so good. But what now? It's legal to just ...
7
votes
2answers
1k views

Using an LGPL licensed library that may or may not include GPL licensed code from an MIT licensed library

I have read Interfacing with GPL applications from MIT licensed code - is a dual-license unavoidable? (now deleted) on Stack Overflow, but it doesn't appear to fully answer my question. I maintain a ...
3
votes
1answer
354 views

CentOS/RedHat devtoolset license implications

Can I use the RedHat devtoolset to build non-GPL-ed software? Do I have to mind any caveats? From my understanding, the devtoolset knows the limitations of the standard libraries shipped with older ...
2
votes
1answer
233 views

Does the LGPL apply if I rewrite a portion of JasperReports in C++?

I would like to rewrite a portion of the JasperReports library in C++. The library will read from the same XML format used by JasperReports. If I integrate this C++ library to my proprietary ...
-1
votes
1answer
388 views

Questions about LGPL license [duplicate]

I have a similar problem than this: http://sourceforge.net/p/tcpdf/discussion/435311/thread/32a59ca0/ Developer answered to ask a lawyer but it costs money... a lot? I only use TCPDF, I have not ...
0
votes
1answer
355 views

Uploading Processing Sketch with library to github

I have a sketch I wrote in the language Processing that I want to put up on GitHub. It uses a library released under LGPL so from what I understand, I'm able to (and should) upload the library ...
3
votes
1answer
141 views

Forking a GitHub repo and including code from pull requests within a LGPL license?

There is a project hosted at GitHub which is no longer maintained that I want to use for my project. However it has some bugfixes contained within pull requests from other users, and I would like to ...
3
votes
3answers
208 views

Can I include an LGPLv2.0-licensed XSLT stylesheet into my Apache v2.0-license nodejs package?

I am creating an open source tool which leverages some XSLT stylesheets in order to do its work, which is transforming XML to Java code. One of the stylesheets that I want to use is licensed under ...
0
votes
1answer
821 views

How to comply with LGPL 2.1 source-code request?

I have an iOS app that uses the VLCKit framework for it's video player function. Today I got an email from the creator of VLC and in the email is stated this: According to the LGPLv2.1 VLCKit and ...
6
votes
1answer
2k views

Is it OK to use the MIT license for a project that uses Qt?

I built a Qt application. Am I allowed to LICENSE it under the MIT license? Qt is a cross-platform application and UI framework for developers using C++ or QML, a CSS & JavaScript like language....
1
vote
1answer
106 views

Releasing Qt-based controls under University of Illinois/NCSA

Qt is a graphic framework which has a double license: commercial (statically link and modify at your wish) LGPL (you should either dynamically link against it or release your source code, any ...
7
votes
4answers
1k views

Is it allowed to embed an LGPL command-line tool?

I want to sell a closed-application that depends upon a certain command line tool. Am I allowed to distribute my software including this command line tool? For example, as a separate binary ...
-2
votes
1answer
130 views

What rights do I have if a closed source non-distributed in-home application was stolen? [closed]

I was always wondering about this, because I have been recently reading about many leaks and stolen programs on certain news sites: If a program (running on a server for example, serving http clients)...
3
votes
1answer
199 views

Do I need to include a copy of the GPL / LGPL to every copy of my program?

Is it necessary to include the GPL / LGPL license text to every distributed copy of my program? Or can I just put a link in the About-dialog?
6
votes
3answers
537 views

How long do I have to provide the source code for a LGPL-library?

In case I would dynamically link to a LGPL-licensed library (in this case Qt) in a commercial application: Which way do I have to provide the library's source code? Is a link to the project homepage ...
0
votes
2answers
449 views

Shipping unmodified open source applications with closed source apps

I am creating a closed source application whose task is to launch other open source applications (similar to start menu of windows). So i have included various opensource applications under licences ...
2
votes
1answer
239 views

Using a zLib like icensed library which has dependencies on LGPL or GPL libs; what license am I able to release my project under?

If I use an Open Source library which is released under a zLib like license, but it has dependencies on libraries that are using LGPL or GPL; what license am I able to release my project under? If I ...
1
vote
1answer
2k views

FFmpeg: Can I replace libx264 with OpenH264 in order to go LGPL?

I have some video processing to run and FFmpeg already contains much of what I need. However my videos are all compressed with H.264 video codec and libx264 is a GPL part of FFmpeg. On the other hand, ...
2
votes
1answer
229 views

Can I include a modified GPL/Apache licensed font in my LGPL project?

I want to include a GPL & Apache duel-licensed font in my LGPL project, but didn't really find a clue if that's possible. There are two problems here: I didn't find any clue about Apache license'...
4
votes
1answer
224 views

What precisely do I/my company need to do “make available/publish” source code changes and satisfy GPL/LGPL

This seems like a basic question, but I have not found a definitive source. I need to modify the source for an LGPL application for my employer to plug a security hole. Longer term we will upgrade to ...