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Questions tagged [licensing]

Licensing refers to applying a license to an area of software. Only use this tag if your question concerns the application of a license to an area of interest. If your question concerns a specific license, use the tag that corresponds to your license. For more general questions, use this tag.

77
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5answers
7k views

How can a “crayon” license be a problem?

Bruce Perens (co-founder of OSI) has coined the term "crayon license": I've been calling these "crayon licenses", taking a line from an old Monty Python sketch about a dog license with the word "...
50
votes
2answers
6k views

Why is CC BY-SA discouraged for code?

Everybody knows that you shouldn't use a CC BY-SA license on your code. Even the Creative Commons folk recommend against it. What I don't know or understand is why. I can't seem to find any ...
47
votes
5answers
3k views

How can a project be relicensed?

I've found out that the license I picked for my project does not quite do what I wanted it do (bad research). Now I want to change the license. Is it as simple as changing the LICENSE.txt in the root?...
47
votes
2answers
2k views

What can I assume if a publicly published project has no license?

There is some code on GitHub that I would like to use. The repository has no public declaration of license that I can find. But this particular project has over 200 forks and is a pretty active ...
40
votes
3answers
911 views

Can I “Override” a licensing policy?

On many sites, especially Stack Overflow, I can't help but notice such amazing code snippets. However, they come with a "catch" designed by the author. With user contributions being licensed with the ...
38
votes
5answers
13k views

Is Microsoft VS code really open source?

I have been using MS VS Code since a while now and I am I really loving it. Although the other day I was having a discussion regarding editors with my mentor where he pointed to me this. It's ...
29
votes
3answers
1k views

Do I really need to include a licence file for common licences like GPL or MIT?

The GPL3, for example, says: Conveying Verbatim Copies. You may convey verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and ...
27
votes
10answers
9k views

Is there a generally accepted “anti-copyleft” clause or license?

I would like to publish code for an application under an open source license like BSD, MIT, or Apache 2 which allows for changes and derivative works to be contributed back to the open source project ...
26
votes
2answers
7k views

What's the difference between Copyright and Licensing?

Preamble There are two other questions, specifically related to Licensing and Copyright. In reviewing the answers and comments, I get the feeling that people generally consider the two to be the ...
24
votes
3answers
875 views

How could using code released under CC0 infringe on the author's patents?

Creative Commons defines a CC0 license type (here's the full legal code) that claims to allow creators to release their works into the public domain by waiving "all their copyright and related rights ...
23
votes
4answers
1k views

License for code snippets?

I share small snippets of code with friends, and would like to post them online for others to use. I'm not sure of the best license? I was thinking MIT, but it includes this clause: The above ...
23
votes
2answers
825 views

Ramifications of the proposed new SE licensing model

Like many other people I read this meta post. Since I don't really understand what is at stake I became confused and worried. Does this mean that I can legally force any organization to let me see ...
22
votes
3answers
432 views

What happens if I share code online without any licence declaration?

What will the licence of the code be? If this is jurisdiction / country based what is relevant in this case? The place of origin of the poster, the host where the code lives, or the one who tries to ...
22
votes
2answers
283 views

Is OSI approval important for a license?

I've heard an open source license described as "popular and OSI-approved". To that, someone asks: Is OSI approval important? which is a great — and important — question in its own right. So, is ...
21
votes
3answers
225 views

For what reasons should you make the user agree to a FOSS licence during installation?

Most Windows installers for FOSS software make the user agree to the licence during installation: there'll be a page where the text is shown and a little tick box, you must have seen it before. But ...
21
votes
2answers
6k views

Is Docker still free and open source?

Docker recently introduced the Moby project, which Docker is now based on, and which is free software (Apache 2.0). But the instructions to install Docker CE don't mention Moby at all, and they don't ...
20
votes
4answers
3k views

How can I forbid shady resale practices?

From time to time, I come across a website that is clearly selling my MIT-licensed, FOSS project verbatim to unsuspecting buyers under an alternative name. Of course, they do not acknowledge the fact ...
20
votes
2answers
258 views

Will a dual license lock me in to a provider?

I want to use open source software for my business, and it is dual licensed. If I choose the paid license which provides support for any changes we require, will this mean that we are unable to change ...
19
votes
4answers
697 views

Can I create my own license by modifying an existing one?

I'm taking the following Stack Overflow question and its answers into consideration: Can you create your one software license? My question here however is not creating a completely new license from ...
19
votes
1answer
294 views

What are the licensing terms of the text of the GPL?

The text of the GPLv3 starts with the following disclaimer: Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. What does this ...
19
votes
3answers
1k views

Do I have to offer the source of an AGPL (v3.0) licensed Web app even if I didn’t modify it?

The point of using the GNU Affero General Public License (Version 3) is that it allows "users who interact with the licensed software over a network to receive the source for that program" (FSF). ...
18
votes
3answers
546 views

Obtaining MIT licence for own plugin

I wrote a simple plugin in JavaScript and I want to put it on GitHub for people to download and use it freely. I saw many people include MIT licence in a file. How can I obtain the MIT licence? Do I ...
18
votes
2answers
6k views

MIT license and “All rights reserved.”?

I recently saw something like this: Copyright (c) Some Corporation All rights reserved. MIT License ... And then the MIT license follows. Now, from what I know the MIT license is one of the most ...
18
votes
5answers
953 views

Does being open sourced mean others can use my logo?

Suppose I have created an open source application I have also created a snazzy logo to go with the application (for example, the Eclipse logo) I released my application's source code under a ...
18
votes
1answer
867 views

Why are you obliged to comply with the license of an anonymous project?

Is there any point in complying with the licence which comes with a project published anonymously (like the initial Bitcoin source code)? If so, in case of breaking the rules of your license, who has ...
18
votes
2answers
858 views

Are licenses irrevocable by default?

I've noticed that some FOSS licenses explicitly mention that they are irrevocable (as long as their conditions are met) and others are silent on this point. Does this matter? Are the licenses that don'...
18
votes
2answers
1k views

Copyright and Contributing to an Open Source Project

I'm a little confused by copyright notices on open source projects. Let's say that a particular project is covered by a very permissive license, such as MIT or BSD. A copyright notice appears from ...
16
votes
2answers
469 views

Can I restrict who can utilize my software?

Can a project be licensed as "open source", yet place a restriction on who can utilize the software? For example, if my software falls under software export controls, can I continue to license it as "...
16
votes
3answers
6k views

If I'm using a GPL 3 library in my project, can I license my project under MIT license?

If I'm using a library that is licensed under GPL v3 in my project, can I license my project under the MIT license? I tried to read the GPL v3 text but I cannot understand it without your assistance.
16
votes
1answer
880 views

GPL v3 “convey” vs. GPL v2 “distribute”

I've noticed that the GNU GPL version 3 uses the word "convey" where version 2 used "distriubte": GNU GPLv3: To “convey” a work means any kind of propagation that enables other parties to make or ...
16
votes
3answers
203 views

Can I force my work to be open sourced in the future?

Is there a mechanism or service that allows me to offer my work under non-free terms, but guarantee that some time in the future, the work automatically becomes open source? For example, could I ...
15
votes
1answer
2k views

How much is “substantial portion” in MIT licence?

MIT license says: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. How much is that substantial portion? For ...
15
votes
1answer
989 views

How do I license an open source application that uses closed source libraries?

I'm not sure if this is the right place for this question since the software I'm developing isn't completely open source, but here goes. Long story short (and for context), I'm a member of a not-for-...
14
votes
2answers
2k views

Is my code FLOSS just because it is published it on GitHub?

Does publishing my code on GitHub make it FLOSS automatically? Is there some license automatically assigned to it? Is it "technically or say literally, open source"?
14
votes
3answers
813 views

Are the new GitHub Terms of service a kiss of death for open source projects?

This recent post tends to say that the new GitHub TOS make most open source projects at odds to comply with both their FOSS licensing and the TOS. Is this right? Anything copyleft (GPL, AGPL, LGPL,...
14
votes
1answer
863 views

Why shouldn't Creative Commons licenses be used for software? [duplicate]

Suppose I was finishing up an open source software. I needed to license it under an open source license. My question: Why would I not want to license my software under a Creative Commons license? ...
14
votes
1answer
201 views

What license must I use on a commercial version of an open source project?

Suppose I have published a project under the Apache 2.0 (or similarly permissive license). Internally I have another version of the same project, which provides significantly extended functionality ...
14
votes
2answers
150 views

The Stack Exchange licence: Can I post open source code here?

Stack Exchange applies CC-BY-SA to all posts. How does this interact with free or open source licences? If someone wants to ask a question about a piece of open source software can they post code ...
14
votes
1answer
1k views

Can hardware have a license?

I was reading a previously asked question, Can I distribute related software and hardware under the same license?, and then it occurred to me that hardware might have patents. Does this mean that ...
14
votes
3answers
3k views

Common practice on GitHub and license/copyright

I have been searching the web for quite some time now, but the plethora of opinions/comments/articles about licensing questions make it difficult to verify how trustworthy the various sources are. ...
14
votes
1answer
329 views

Can I open source my music which includes copyrighted sound effects?

If I compose a piece of music using instruments and sound effects that I don't own the copyright to (but am licensed to use), can I release my composition under a free/open license that allows ...
13
votes
2answers
6k views

What exactly is Tivoization and why did Linus Torvalds not like it in GPLv3?

I still don't understand what is Tivoization and why Linus Torvalds did not like it. Can you explain to me the big idea of Tivoization?
13
votes
3answers
2k views

Is it OK to remove the license terms for a code snippet?

A while ago, I encountered an edit suggestion on Stack Overflow. The OP had posted a snippet that was under the GPL, and included the GPL in the snippet. The editor tried to remove the GPL as it was ...
13
votes
2answers
790 views

Are you obliged to enforce your license?

I've got a number of software projects, licensed under varying licenses. For simplicity, let's take one of them, licensed under the GPL. Obviously, the GPL requires various things, and there may be ...
13
votes
2answers
6k views

What is the point of including the MIT copyright text if you use someone's code licensed under MIT?

I'm confused as to what this license really means. Say I have a large piece of software I plan on selling and keeping closed source. It makes use of several small resources that are under the MIT ...
13
votes
3answers
327 views

Can Apple require users to accept the Xcode/iOS license to use git?

After launching an upgrade of XCode on a MacOS Sierra, calling git in a terminal suprisingly results in: $ git Agreeing to the Xcode/iOS license requires admin privileges, please re-run as root via ...
13
votes
3answers
1k views

How does one combine differently licensed code in one open source program?

I'm the author of WorldPainter. It's licensed according to the GPL v3, but I am about to include some code (dynmap) that is licensed according to the Apache License version 2.0. According to both ...
13
votes
2answers
967 views

When folks send me pull-requests on GitHub, what are their copyright/licensing terms by default?

Say I'm maintaining a GPLv3 project on GitHub with a LICENSE file, code headers and all. Now, a few folks made some code enhancements and sent me a pull-request. Does that automatically mean that they ...
13
votes
1answer
2k views

Using GPL library with MIT licensed code

Let's say I created a project containing hundreds of source files under the MIT License (most of which I wrote myself for this project). Now I want to add a GPL library to the project, that will be ...
12
votes
5answers
234 views

Software licensing - Pre 1970's

From reference, page 4, The official ubuntu book, Eighth edition, As computer’s became cheaper and more numerous in the late 1970’s, producer’s of software began to see value in the software itself....