Questions tagged [mit]

Use this tag for questions pertaining to the MIT/Expat license or the MIT/X11 license.

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208 votes
3 answers
108k 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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35 votes
2 answers
17k 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 ...
34 votes
10 answers
9k views

Do Open Source Licenses allow authors to corrupt their own code, like in the colors.js case?

I was seeing a lot of news about the colors.js library. I would like to know if the open source license entitles the developer of the colors.js library to make it dysfunctional and create the damage ...
33 votes
3 answers
19k 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.
27 votes
9 answers
8k views

Can I modify an open source license to require that I be notified?

I often use the MIT license for my projects. But recently I've had the thought that I really would like to be notified if someone forked my software, whether it's for personal use, released or not I ...
27 votes
4 answers
12k views

I am using a MIT licensed module in a closed source consumer device. What are my obligations? [duplicate]

I am working on a piece of embedded software for a consumer device. For a small part of the software, we are using a third-party library that is licensed under the MIT license. As the MIT license ...
27 votes
4 answers
3k 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 ...
  • 2,849
27 votes
1 answer
1k 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 ...
  • 381
26 votes
2 answers
18k views

Where to put license for MIT licensed code on website

I'm a freelance web developer building a site for a client. I found some code I'd like to use on CodePen which uses the MIT License. As far as I understand the license, I can use the code freely on my ...
user avatar
24 votes
2 answers
8k views

Can I sell my MIT-licensed software if it is modified by others?

Suppose I create some software from scratch. I sell the software, but I also keep it open source under the MIT License. Someone forks my repository and makes some great improvements to my software. ...
  • 469
22 votes
1 answer
5k 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 ...
  • 405
21 votes
1 answer
8k 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 ...
20 votes
2 answers
5k views

Combining code written under different licenses (Eiffel Forum License, MIT and Apache), what are my options?

So I'm new to all this licensing jazz, and I've just started work on a project I'd like to one day publish as open source. I've found a couple of projects so far that have code to accomplish stuff ...
  • 303
20 votes
1 answer
3k views

Forking GitHub repository (MIT): what references to the original author should remain intact?

I'll pick one of the most popular React boilerplates as an example here. Assume I've forked it (the commits history till the fork date remains intact). According to the text of MIT license, the only ...
  • 369
19 votes
4 answers
5k views

Can the MIT license be applied to music?

If not, are there any other good options for me to effectively allow use by everyone for almost any reason? I'd prefer to take a hands-off approach as opposed to attempting to place anything in the ...
  • 191
19 votes
2 answers
2k views

How should I assert copyright when I'm forking an MIT project?

I have an open source software project licensed under MIT. The MIT License (MIT) Copyright (c) 2016 Håvard Fossli Permission is hereby granted, free of charge, to any .... I found ...
  • 293
18 votes
3 answers
879 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 ...
user avatar
18 votes
1 answer
9k views

What should be written in MIT license (year, full name)?

I am creating an open source project and I want to use an MIT license for that. I have found this page: http://choosealicense.com/licenses/mit/ What should I write under "full name"? Should the group ...
  • 183
17 votes
3 answers
7k views

What if somebody removed my name from MIT license

Case: I developed a software and uploaded it to Github with MIT license. To apply the license, I created a LICENSE file with MIT license preamble (as mentioned in choosealicense.com) Somebody cloned(...
  • 173
17 votes
2 answers
16k views

How to apply MIT license in the GitHub repo for fully free project?

I have a public repository for an open source project on GitHub. It's main goal is to make this code available to anybody (including myself) who may what to use it, for free, for all the time, with ...
  • 223
17 votes
2 answers
6k views

License that requires attribution to end users?

I'm looking for an open source license that requires attribution to end users. Thus far, I've looked at the MIT license and Apache 2.0. But I am not convinced that they require attribution to end ...
  • 273
16 votes
1 answer
17k views

How to use MIT license in a project?

Let's say i used a MIT program as a base for a new project, and modified about 50% of the program files. How should i specify that the program is a derivative work? Do i need to keep track of every ...
  • 173
16 votes
1 answer
3k views

If I translate/port a repository from one programming language to another, do I need to use the license file (Github) from that original project?

If I translate/port a repository from one programming language to another, do I need to use the license file (Github) from that original project? Or can I use my own license file. I intend to use the ...
15 votes
2 answers
6k views

Can I relicense my own GPL code into Apache/MIT? [duplicate]

Suppose that I distribute my own code with a GPL license, even though the code use just external MIT or Apache code. In particular, no preexisting GPL code is in it. Can I later relicense it under ...
  • 277
15 votes
4 answers
4k views

If someone purchases a MIT license for code that is otherwise GPLv3, may they redistribute it? May they upload it on Github?

A fellow developer has done something that has made me curious, he has a popular javascript front-end package on GitHub which for years was licensed under MIT, then all of a sudden he released a v2 ...
15 votes
2 answers
4k views

Is it legal to remove a contributor's name from the licence?

User Mark makes repository A and releases the code under the MIT license with their name in the license. User Jeff forks the repository makes some improvements and adds their name to the license file (...
  • 153
15 votes
1 answer
893 views

Can I make typographical changes to the MIT license?

If I make some typographical changes to the default MIT license, does it still count as the MIT license? Example Copyright (c)© [year], [organisation] Permission is hereby granted, free of charge, to ...
14 votes
3 answers
3k views

Since some software is open source, can you add a feature you created and use it for your own personal use?

For example, if I want to add a bunch of lines in VS code using a single command and say I'm able to build this feature, can I use this on my version of VS code without the community acceptance?
14 votes
3 answers
4k views

What is the use of attaching a license like WTFPL?

I've been checking out the different licenses and I came around WTFPL. I understand the basic intention of the license. But how much appropriate is this license to use for any work? It says, You ...
  • 340
14 votes
2 answers
3k views

MIT License Violation caused by copying source code partially or fully

I have a project on GitHub licensed under MIT. Some other person contributed to another unknown-to-me organisation on GitHub two months ago with a commit which copies a part of my code with just a few,...
13 votes
5 answers
9k views

What prevents a large company with deep pockets from rebranding my MIT project and killing me off?

I'm planning to start an MIT licensed project for a Web Server like Apache and Nginx, but primarily targeting the Windows Platform. Those that don't understand open source software are calling me ...
  • 1,125
13 votes
2 answers
5k views

If my repository uses a MIT license, can I submit a DMCA takedown for someone who copied it?

I have an MIT-licensed repository which has been copied entirely, just replacing the author's name. I've heard that MIT takes away most copyright and permits free use, but if anyone can copy code and ...
13 votes
1 answer
3k views

Relicensing an MIT licensed project under the GPL that has non code contributions from others

I have an Android Game I've written that I released under the MIT license. Recently, there have been several people who have downloaded the source of my application, added ads and uploaded it to the ...
  • 133
13 votes
1 answer
3k views

Is there any particular reason to license docs with CC BY 4.0 rather than MIT?

MIT license can be used for "software and associated documentation files". But a few big open source projects licensed under MIT (for example, dotnetcore, reactjs), explicitly use Creative Commons ...
  • 139
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 ...
13 votes
1 answer
1k views

Has the MIT license been "Battle tested" in court?

The GPL has been pertinent to several court cases. We know it is strong because it has been "battle-tested". Can the same be said to be true for the MIT license?
13 votes
1 answer
1k views

MIT-licensed project with CC-BY-SA dependency

I have a project (code) that I am wanting to license as MIT. It has a few dependencies, mostly assets (icons and images). Some dependencies are MIT and I include their licenses in the source, but a ...
  • 233
12 votes
3 answers
1k views

Am I in danger if a project component is relicensed?

I am currently managing a project, which includes a library that is licensed under the MIT license. My current project is licensed under the Apache 2.0 license. The maintainers of the library that I ...
  • 6,259
12 votes
1 answer
4k views

Can I change the license of a forked project to the MIT if the license of the parent project has changed from the GPL to the MIT?

Some time ago I have forked a project on the GitHub that used the GNU GPL v3 license. So I also had to use the GPL license in my fork. Recently, the author of the original project changed license to ...
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 ...
  • 1,447
12 votes
1 answer
563 views

Is it possible to release a project under the GPL if it contains MIT-licensed libraries?

Specifically the Symfony PHP framework, which is MIT licensed. I've read that the two are compatible, but I want to make sure that a system I develop can be released complete under the GPL.
12 votes
1 answer
2k views

Proper way of “migrating” MIT-licensed code to Apache 2.0 License

I am building a software which I plan to release with Apache 2.0 License and some components are code based from a repository released with MIT License. MIT License states: "The above copyright ...
  • 223
11 votes
3 answers
5k views

If I fork a lib that is MIT / Apache 2.0 dual license, can I change it to CC0 for redistribution?

A lot of our projects are CC0 licensed and I had been researching across the web to find any information regarding the legalities of this, and to retain the original author's moral rights. I have not ...
11 votes
2 answers
1k views

Does a copyright notice in a file header affect the licensing?

I'm a little confused about the licensing. In the LICENSE file it says that the repository is under MIT license. But in the header of some js files there is a copyright notice with apache-2.0. Does ...
11 votes
3 answers
1k views

How is the Expat (MIT) license compatible with the GPL?

Suppose I come across Project G, an open-source project licensed under the GNU GPL, and Project M, an open-source project licensed under the Expat license (also called the MIT license). I want to ...
  • 1,015
11 votes
3 answers
446 views

Can I apply one license to specific users and another to others?

Suppose I am a developer. I am developing a piece of software. I decide I want to make this code open source. But... I only want developers (or people that will be using the code in other projects) to ...
11 votes
2 answers
3k views

Does the MIT license's right to "sublicense" allow me to change the license of someone else's work?

I understand that, generally speaking, you may not issue a license on a copyrighted work if you do not own the copyright to that work. Licensing is an exclusive right of the copyright holder. Instead, ...
  • 31.6k
10 votes
2 answers
2k views

Who will be the copyright owner of a new file in a forked repository on github?

Let's say there is a MIT Licensed repository on github, then by definition all the files that belongs to the repository is owned by the copyright holder of the repository. But if I fork the project ...
10 votes
1 answer
1k views

MIT-licensed data as part of Android app

I have developed an Android app with Kivy, which I'd like to publish in Google Play. Now, I'd like to use certain MIT-licensed data, which will ship as part of the app. Is this legal? As far as I ...
  • 203
10 votes
1 answer
4k views

Include duplicate MIT licenses for every project even if my code base is available in GitHub?

I use three MIT licensed projects in my source code. Do I need to duplicate the three copies of the license (in different directories)? Or is a single copy of the license sufficent? If a commercial ...

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