Questions tagged [bsd]

The license-specific tag for the BSD family of permissive open-source licenses. Use on questions about them; their origins, use, and design.

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110
votes
2answers
56k views

What are the essential differences between the BSD and MIT licences?

There are many articles out there which cover the topic in length and breadth, but so far I haven't found a nice, concise answer to the question. What are the most important differences between the ...
31
votes
7answers
10k views

Can I take BSD licensed code and distribute it under GPL?

Or in more general terms: Can I take code which is licensed under a permissive open source license (like the BSD license) and distribute it under a copyleft free software license (like the GPL)? ...
26
votes
4answers
2k views

If I include some GPL code in my project, can I release it as BSD?

I have scientific software that I would like to release under the BSD 3-clause licence, but it includes some old code that was released under GPL. Can I still package it all and release as BSD?
19
votes
6answers
5k views

Do the licences permit GPL- and BSD-licensed applications to be used for government work?

I want to use GIMP, Inkscape, and Lightzone for work in a government environment. Not modify the software, just use the applications. Does the license allow me to use the software in such environment? ...
15
votes
2answers
4k views

How is the BSD GPL-compatible?

The BSD license says that derivative works may be distributed under the following conditions: Redistribution and use in source and binary forms, with or without modification, are permitted ...
13
votes
1answer
2k views

How to licence a project which includes MIT, BSD, Modified BSD, and New BSD libraries

I've been working on a project for a while, and I'm almost ready to release it, but I've been more concerned with getting it to build than legal considerations, and now I'm not at all sure where I ...
11
votes
1answer
1k views

Derived work of BSD licensed software, how do I indicate this?

I found a javascript module (file), which contains two functions, and I would like to modify it under the terms of its BSD license. I'm happy for the resulting source file to be declared derived work ...
11
votes
2answers
2k views

Is it possible to include a shorter form of a license if the license would be longer than the content licensed?

For example, Gists on GitHub don't have a field to track the license that they are available under. You can simply choose to create a public Gist or a secret (private) Gist. Many of the open source ...
11
votes
1answer
636 views

Is the Facebook BSD+Patents licence (aka “The React Licence”) compatible with the GPL?

Is the Facebook BSD+Patents licence compatible with the GPL (GPLv3), in the sense that one could: use code licensed under BSD+Patents, as part of a project, the rest of which you write yourself (own ...
11
votes
2answers
2k views

Can I license Python project under 3-clause BSD while it has GPL-based dependencies

I'm working on an open source Python project and we have plans to use GPLv2-licensed library python3-xlib, but we will not distribute it with our library. So user can install it by pip install our-lib ...
9
votes
1answer
1k views

Patent rights: BSD-3-Clause-Clear vs BSD-3-Clause

While the BSD-3-Clause is well known and thoroughly discussed here and elsewhere, I have been unable to find much information on precisely how the additional patent stipulation in the BSD-3-Clause-...
9
votes
1answer
82 views

How to deal with third party libraries?

I'm working on a project I would like to release as an open source project in the future. In my work I'm using a number of third party libraries, either from open source projects or released to the ...
8
votes
1answer
2k views

Can someone fork my GPL licensed project and re-license it under MIT or BSD?

I want all the people who link to my software should also release their code under GPL. But what if someone forked it and attempted to relicense it under the MIT, BSD, Apache, or LGPL licenses? Can I ...
8
votes
2answers
393 views

Under what licenses can I release open source software that uses PyQt?

Situation I have two software packages for which I need to choose a license and I'm not sure if they get along with the PyQt licensing schema (which uses the GNU GPL). Package A uses PyQt in a sense ...
7
votes
1answer
1k views

Does the three-clause BSD license hinder academic citations?

The third clause of the 3-clause BSD license says: Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this ...
7
votes
1answer
10k views

Use of BSD-3 Clause license and python software license for proprietary use

I am making a software in python programming language which uses libraries licensed under BSD-3 clause. Is it necessary for me to show my source code to users? Also can I restrict the distribution of ...
7
votes
1answer
3k views

How does the BSD 2-Clause License copyright notice work?

I'm currently developing software which I later want to distribute. The software itself is open source and makes use of the MIT license. Now, here is the problem: I use one library which is licensed ...
7
votes
2answers
735 views

Can I relicense software under the modified BSD licence?

I want to modify and merge some software that is available under the two clause BSD license into a project that is available under the GNU GPL version 2. I want to distribute the result under the GNU ...
7
votes
2answers
587 views

Is it possible to move from MIT to BSD?

I commited some work on GitHub under the MIT license. Is it possible to move from MIT license to BSD-3 or 4 clauses for some of the projects? And as an extent, to any other license? If possible, is ...
7
votes
1answer
116 views

What's “no longer necessary” about parts of BSD-3?

I've read that the BSD-2 or "Simplified BSD" software license removes from the BSD-3 "some language that is no longer necessary". Looking at the difference between these two licenses, it appears that ...
6
votes
1answer
203 views

Why is CC BY better than the four part BSD licence?

The 4 clause BSD licence required that any advertised software with the code must say that a project component created by the UC. Many complained that the list would be impossibly long if you have ...
6
votes
1answer
678 views

Copying a file from an open source project

I want to copy a file from a project licensed under a New BSD license. My own project is licensed under an MIT license. The file is simple batch script for locating build tools and starting the build. ...
6
votes
1answer
169 views

Opensource software company and license obligation

There is a company that uses opensource code licensed by GPLv2 and BSD, they have a page in their site that specifies a contact mail to request the opensource code and a list of the used open source ...
6
votes
1answer
93 views

Valid locations for propagated MIT/BSD licenses?

Background My own project is a module for Python (without GUI, so this answer does not fully apply). It’s licensed with a three-clause BSD license which resides in a separate file (say License), and ...
6
votes
1answer
1k views

How do I license code when rewriting code in another language? [duplicate]

I took the C code from the png2theora example tool of Xiph.Org Theora which has a copyright header: /******************************************************************** * ...
6
votes
2answers
232 views

Is there a simple web licence for a backlink?

I'm a BSD developer, and I prefer to have a clear ISC licence at the top of every file that is fully self-sufficient in regards to the exact terms that I'm imposing on my work. Is there a variation ...
5
votes
2answers
290 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 ...
5
votes
3answers
4k views

How should you put attribution into your project?

When you're copying open source from another project (not simply linking), how should you provide attribution in your source repo? I've copied some things into my code base that are probably not ...
5
votes
1answer
618 views

BSD-3 Closed Source Attribution

I'm having some confusion with the BSD-3 license language. I am going to close source a bsd-3 project and make modifications to it. I will not be redistributing the code. It will be used as a SaaS. ...
5
votes
3answers
681 views

What difference does a MIT and BSD license bring to my PHP framework project?

I am making a PHP application for a PHP framework for a client, currently deciding which framework to use and the license will have a bearing on this. Will building it in Laravel/Codeiginter(MIT) or ...
5
votes
2answers
364 views

Can I add “third clause” to BSD-like license?

I forked a project which is licensed under “BSD-like” license. This goes as the following: Copyright © 20xx Author CopyRight © 20xx Another author All rights reserved. Redistribution and use in ...
5
votes
1answer
201 views

Can I combine multiple 2-Clause BSD LICENSE files into one?

Suppose I have a program which uses the BSD 2-Clause license: Copyright (c) 2016 Myself All Rights Reserved [BSD 2-Clause boilerplate here] It happens to use a library, in some foo/ subdirectory ...
5
votes
1answer
397 views

License details in languages other than English (American)

I am adding support to allow the use of GUI languages other than English (American) with a large GPL project that uses some MIT/3-Clause BSD libraries and I was wondering whether I should produce ...
4
votes
6answers
865 views

Why don't BSD developers use the SSLeay addendum if they hate GPL?

It's not uncommon to see BSD developers upset that someone takes their project, does a few modifications, and then releases the resulting work under GPL, such that the resulting improvements can no ...
4
votes
1answer
546 views

Copyright unitl the “present” year in BSD license?

I have the following line in my BSD (new, 2 clause) open-source code: // Copyright (c) 2003-present, Jodd Team (http://jodd.org) Previously, I've used a real year (e.g. 2003-2014). However, updating ...
4
votes
1answer
124 views

Changing the binary/project name under BSD 3-clause license

Can I change the name of the BSD 3-clause project and its binary name? To be specific, I have forked EACopy with a BSD 3-clause license. Its project name and binary name are the same, EACopy. I ...
4
votes
1answer
391 views

What does the Zstandard dual license mean?

I am looking at the Zstandard library and it says that it is dual licensed, BSD and GPLv2. What does it mean? If I use libraries in a non open source program will the license be GPL or BSD? In the ...
4
votes
1answer
188 views

Is it possible to move from BSD to MIT without author consent?

I'm author of a Python package released under BSD license. This work was published in a GitHub repository. Someone forked my repository. Did some improvements and published code under MIT license with ...
4
votes
2answers
117 views

Releasing Patch File for BSD3 Licensed Project

There is a simple project licensed under BSD3 that provides a CMake module. The project has a CMake build system that builds an example document by including the provided module. The CMake module has ...
4
votes
1answer
315 views

Using dynamically linked library with BSD 3-clause License

If we are loading a closed source - dll dynamically in the source code which comes under three clause BSD license then is it mandatory to change license of my closed source dll to three clause BSD ...
4
votes
1answer
81 views

What is the difference between the Apache License v2.0 and the BSD+Patent License?

To my current understandig, both the Apache License version 2.0 and the BSD+Patent grant you a license to any patent that the software is using. In what situation is the BSD+Patent license preferred ...
4
votes
1answer
139 views

Distributing BSD-3 code under the Apache license v2 only

Alice and Bob write a piece of source code (call it Source1) and publish it under the BSD 3-clause license. Later, Bob and Charlie are working on a software project, licensed under AL2 (Apache License ...
4
votes
1answer
609 views

Do packages listed in a package.json file need to be documented individually?

I am trying to understand the general clause contained in most licenses that reads as follows The above copyright notice and this permission notice shall be included in all copies or substantial ...
4
votes
1answer
259 views

Using FreeBSD licensed code in a GPL3+ project

I have a code project which I have released under the GPL3+, which you can see here. I would like to implement a section of code that would use the lmfit nonlinear fitting library, provided here. The ...
3
votes
2answers
472 views

3-Clause BSD vs AGPL for a startup FOSS product

It appears that many startups are using both licenses to create commercial FOSS products (note I am here more interested in complete products not libraries). Is the 3-clause BSD more protective for ...
3
votes
2answers
112 views

Adding a very minor part of GPL3 code to a BSD-licensed project

I am porting a library that somebody else released under BSD-3 license from Fortran to C++. In order to make it run easily under C++, I am using an interface that is only a very minor and almost ...
3
votes
3answers
875 views

Can I distribute a BSD code with GPL v3 binaries?

I found a GPL v3 licensed library, that I can compile for various architectures and use in the code for a BSD licensed project. This means that I probably have to distribute the binaries with it. ...
3
votes
1answer
1k views

What's the usual procedure when using MIT or BSD-2-Clause licensed source code with something like `<script src="…`, `require(…` or `import …`?

This is not a legal question. It might touch the legal aspects around Open Source licenses but I need general help understanding how they work and what the usual procedure is. Part 1 of my question: ...
3
votes
1answer
367 views

winpthreads license in a GPL project

I have a project that i have licensed under the GPL, and I would like to start working on parallelizing parts of it using OpenMP. To do this on windows using GCC, I apparently have to include the ...
3
votes
1answer
72 views

What are my license obligations if I modify eclipse mosquito for commercial use

I am working for a service company. As per client requirement we need to slightly modify eclipse mosquito source code. It is dual licensed with EPL and EDL. (https://github.com/eclipse/mosquitto/blob/...