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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217 votes
3 answers
115k 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 ...
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38 votes
7 answers
15k 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)? ...
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27 votes
4 answers
3k 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?
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23 votes
3 answers
6k views

Can someone re-license my BSD-3-licensed project under the MIT license, remove my copyright notices, and list me as a "collaborator" without consent

I maintain an open source numerical computing library. I license my project under BSD-3. Another developer has copied 90% of the source code to a new project with the same name, while changing the ...
19 votes
6 answers
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? ...
18 votes
2 answers
7k 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 ...
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15 votes
2 answers
4k 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 ...
13 votes
1 answer
3k 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 ...
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13 votes
1 answer
3k 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 ...
12 votes
2 answers
3k 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 ...
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11 votes
1 answer
3k 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-...
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11 votes
1 answer
863 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 ...
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10 votes
1 answer
6k 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 ...
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9 votes
1 answer
3k 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 ...
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9 votes
1 answer
96 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 ...
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8 votes
1 answer
2k views

Given the existence of the Apache license, and the reasons for it over MIT/BSD license, is it still safe to use MIT/BSD?

Apache license exists as a permissive open-source license as opposed to MIT/BSD license with the perceived benefit that it also protects authors from patent violations. Although I think I read ...
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8 votes
1 answer
2k views

Who owns copyright if I place code in a repository but do not update the copyright notice?

I think my case is covered by Who will be the copyright owner of a new file in a forked repository on github?, but I want to be sure that it applies in my situation, too. I forked a project licensed ...
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8 votes
3 answers
7k 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 ...
8 votes
1 answer
2k 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: /******************************************************************** * ...
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8 votes
2 answers
834 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 ...
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7 votes
1 answer
2k 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 ...
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7 votes
2 answers
1k 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 ...
7 votes
3 answers
2k views

Preventing commercial exploitation of small changes that require a lot of work

At my previous job I was responsible for building and maintaining a library in their ecosystem. The project is mature in the sense that no major new features are being implemented. It is still ...
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7 votes
1 answer
14k 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
2 answers
1k 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
1 answer
1k views

Copyright until 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 ...
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7 votes
2 answers
971 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 ...
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7 votes
1 answer
206 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 ...
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7 votes
2 answers
827 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 ...
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6 votes
1 answer
4k views

BSD 3-Clause: where to place license for binary installation?

We want to publish a project that does use some components under BSD-3-Clause license according to below: Redistributions in binary form must reproduce the above copyright notice, this list ...
6 votes
1 answer
503 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 ...
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6 votes
1 answer
1k 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
1 answer
198 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
1 answer
147 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 ...
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6 votes
2 answers
253 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 ...
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6 votes
2 answers
477 views

Does the BSD licence implicitly apply to derived work?

Moved from the discussion of this answer, which makes the following claim about BSD licences: The 3BSD licence requires (in clause 1) that your copyright notices be preserved, and that some licence ...
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5 votes
4 answers
2k views

How to change the licence of Java project from GNU/ GPL to MIT / BSD / Apache

I had developed a Java application which is connected to MySQL Workbench by using mysql-connector-java-8.0.21.jar file. When I deploy the project and send source code to the client he says that: The ...
5 votes
3 answers
4k views

Can an NPM package have an MIT license on github if it depends on MIT packages with BSD-2, BSD-3 and Apache 2 licenses

I am trying to understand if an NPM package can be open-source on GitHub with an MIT license if it depends on NPM packages that are open-source on GitHub with a BSD-2, BSD-3, Apache 1 or Apache 2 ...
5 votes
1 answer
457 views

Reuse of source code having BSD License in Android App

I have successfully developed an Android App in Android Studio but the final thing which is disturbing me is that, my app contains code from a GitHub repository that has BSD license as given below: ...
5 votes
1 answer
1k 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 ...
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5 votes
1 answer
1k 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. ...
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5 votes
3 answers
1k 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 ...
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5 votes
1 answer
1k views

3-clause BSD or MIT license for software that imports numpy and matplotlib?

I wrote a Python script (a .py file) that I'd like to publish and license correctly. My script imports numpy (3-clause BSD) matplotlib.pyplot (Matplotlib license [BSD-compatible]) os and argparse (...
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5 votes
1 answer
521 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 ...
5 votes
1 answer
2k views

BSD 3-clause: how to update with modifications?

Let's say I start with code that is (c) 2014 Struvious Featherstone and licensed according to the BSD 3-clause license. Now I make some changes for my employer Zippety Duda, Inc. and I want to ...
  • 153
5 votes
1 answer
203 views

I'm creating a code generator that uses BSD licensed code as a reference. How do I give proper attribution to the referenced code?

I'm writing a code generator in Java that will generate GNU linker scripts and C header files for microcontrollers made by Microchip Technology. I want both the code generator itself and the files it ...
5 votes
2 answers
560 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 ...
  • 153
5 votes
1 answer
682 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 ...
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5 votes
1 answer
1k 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 ...
  • 153
5 votes
1 answer
436 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 ...
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