The MIT License is a free software license originating at the Massachusetts Institute of Technology (MIT).

learn more… | top users | synonyms

118
votes
3answers
3k views

Meaning of MIT license [duplicate]

Suppose I use this ActionScript API released under MIT license to build a software: http://www.cove.org/ape/docs/api/ Can I sell that software? Do I need to give the source code of my software away? ...
99
votes
8answers
10k views

How to avoid being forked into oblivion by a more powerful contributor?

As recently reported here: Xamarin has forked Cocos2D-XNA, a 2D/3D game development framework, creating a cross-platform library that can be included in PCL projects. However the founder of ...
41
votes
1answer
9k views

MIT vs. BSD vs. Dual License

My understanding is that: MIT-licensed projects can be used/redistributed in BSD-licensed projects. BSD-licensed projects can be used/redistributed in MIT-licensed projects. The MIT and the BSD ...
32
votes
3answers
14k views

Why do people pick the MIT license over BSD, if BSD's “non-endorsement clause” is a good idea? [closed]

According to this question and it's replies What is the purpose of the "non-endorsement clause" in the New BSD license? it seems smarter to pick the BSD license over the MIT, to prevent ...
28
votes
7answers
1k views

Choosing a licence for open source projects

I've done some open source projects, and I plan to do more in the future. So far, I've released all my code under GPL, but I've read a few articles which claim GPL is too restrictive for any code to ...
26
votes
3answers
1k views

What to do when a company request permission to use open source code without attribution?

I have an opensource project currently under MIT license. I have received a request from a company to use my code for their commercial project without having to give any attribution or credit. To be ...
17
votes
4answers
5k views

Can you change code distributed under the MIT license, and re-distribute it under the GPL license?

Is it possible to alter the code of the Chili plugin, which had its latest release on July 2008, and it is licensed under the MIT license, to then license it under GPL? As far I can see, there is no ...
17
votes
1answer
2k views

What exactly does the condition in the MIT license imply?

To quote the license itself: Copyright (C) [year] [copyright holders] Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated ...
16
votes
5answers
4k views

How to manage a copyright notice in an open source project?

I'm working on, and adding to, a GitHub-hosted project that includes this LICENCE.md (apparently the MIT licence verbatim): Copyright (c) 2012 [Acme Corp] Permission is hereby granted, free of ...
14
votes
5answers
1k views

Can I use MIT license to give some of my previous written code to employer so that I protect myself and don't lose my copyright?

My situation: I have written a framework before I started my new job. I own the copyright. It has a bunch of boilerplate logic inside of it, like any piece of software. (duh!) I don't want to use ...
13
votes
4answers
2k views

What is the purpose of the “non-endorsement clause” in the New BSD license?

Note: This question is not about the "obnoxious BSD advertising clause". The New BSD license does not contain that clause, and is compatible with the GPL. I'm trying to pick between the New BSD ...
13
votes
11answers
1k views

Difference between free and open software? [duplicate]

Possible Duplicate: Open Source but not Free Software (or vice versa) I recently was at talk were Stallman was the keynote speaker, and he stated he hated the term open software, because it ...
12
votes
2answers
2k views

How does using a LGPL gem affect my MIT licensed application?

I am developing an open source ruby application under the MIT license. I am using this license because I don't want to place any restrictions on the users of the application. Also I can actually ...
11
votes
2answers
1k views

MIT and copyright

I am contributing to a library that is licensed under the MIT license. In the license and in each class file it has a comment at the top saying: Copyright (c) 2011 Joe Bloggs ...
10
votes
2answers
750 views

Best practices for releasing an open source PHP application

I'm a PHP developer for a living but have never worked on or contributed to any open source projects before. I am developing a CMS for my own use. I have a working prototype and I think that once ...
9
votes
1answer
1k views

ISC license advice

Is the ISC license suitable as a MIT or Simplified BSD license replacement? What are the pros and cons of ISC compared to MIT or BSD?
8
votes
4answers
2k views

Why is jQuery released under MIT and not LGPL?

Why is jQuery released under MIT and not LGPL? What are the benefits of using MIT compared to LGPL for a framework?
8
votes
3answers
1k views

Is it OK to learn an algorithm from an open source project, and then implement it in a closed source project?

Reference The post that started it all In order to clear up the original question I asked in a provocative manner, I have posed this question. If you learn an algorithm from an open source project, ...
8
votes
1answer
3k views

Confusion about dual license (MIT/GPL) javascript for use on my website

I've read all of the posts I can find on this and I'm still not sure of the answer. I'd like to use a jQuery plugin on my website that is dual licensed under MIT and GPL. Does the dual license mean ...
8
votes
1answer
2k views

Microsoft Public License vs MIT?

I'm working with a new plugin (flexbox), and I ran into the MS-PL license, which I had not run into before. In the past, I've used mainly MIT and Apache licensed projects, so I have no idea what the ...
7
votes
3answers
542 views

Why do I have to keep my open source software license in the root?

Nearly all open source software licenses require (or at least lawyers generally suggest they require) users to include the full license in the root of the project that they are protecting. One lawyer ...
7
votes
4answers
672 views

Open source library, can the project owner change the license to be more restrictive?

A company releases a library with an open source MIT license. If they wanted to, could they change the license to be very restrictive so competitors cannot use it? What impact would this have on ...
7
votes
2answers
1k views

Does the MIT open source license implies work derivatives to be made public (under MIT license)?

I am looking for an open source license for a library I want to publish. Ideally, one should be allowed to use this library in free or commercial applications without paying me a fee, but if any ...
7
votes
1answer
278 views

MIT licence copyright notice for derived works

We're thinking of using some open-source MIT-licensed software in one of our web projects (a jQuery datetime plugin). The first line of the MIT licence is: Copyright (c) [year] [copyright ...
6
votes
1answer
909 views

What's the fundamental difference between the MIT and the Boost Open Source licenses?

What's the fundamental difference between the MIT open source licence : Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation ...
6
votes
3answers
930 views

MIT License in a referenced library: legal implications?

I'm trying to determine what my legal obligations are if I use an MIT-licensed library (JAR file) in my program. Do I need to include the library's source code when I distribute my program? Do I need ...
5
votes
3answers
423 views

How to use my proprietary framework on a new job without making it open-source?

I have been working on a framework for years. It is solid, extensive and tested. It is exactly what the employer needs for the foundation of its new project. There is no point in rewriting the whole ...
5
votes
1answer
800 views

How do I correctly sub-license a library that is under the MIT license?

How do I correctly sub-license a library that is under the MIT license. I am using and extending the library. The MIT license states that I am free to sub-license the library. Can I simply state: ...
5
votes
1answer
130 views

How to add contributors to LICENSE file?

I am the main developer of a library, licensed under the MIT license, and hosted on Github. The Github repository includes a LICENSE file. When someone sends me a pull request, do I have to list ...
5
votes
1answer
719 views

How to include licenses for third-party Maven dependencies?

I'm producing a binary distributable for my Java project. I'm releasing it in two ways: Maven Central Zipped distributable on Google code My project is licensed under the Apache 2.0 license. I use ...
4
votes
5answers
725 views

How can I comply with Open Source licenses, and yet protect my own work + App Store

I recently developed an application for an organization (and I'm not charging them). I want to maintain total ownership of the source code and there are various Open Source Project that I've used. I ...
4
votes
2answers
311 views

How do I deal with a MIT project with no included copyright notice?

There's a (possibly abandoned) library I'm using in my project. Its Google Code project page mentions it's MIT licensed. Nowhere in the code itself, nor any of the included files, is there a ...
4
votes
2answers
252 views

When forking an dual-licensed permissive/GPL project, can I drop one of the licenses?

Consider an existing project that is dual-licensed GPL + either MIT or BSD. Since it's dual-licensed, when I fork, can I pick one license in the fork? Or do my forked files need to continue to be ...
4
votes
2answers
2k views

how to properly credit authors of MIT license program

Although I have found similar questions on this site they were not what I was looking for. I have modified the source code of an MIT licensed project, and I have added new classes to it as well. ...
4
votes
1answer
103 views

If I use MIT-licensed components in my software, can my customers resell it?

My amateur reading of the MIT license suggests that any software is distributed to my customers containing any MIT-licensed components can be freely re-distributed in its entirety. Permission is ...
4
votes
1answer
193 views

How do I correctly include copyright statements for included libraries?

How do I correctly include copyright statements for included libraries? I have a program that uses libraries which are licensed under the GPL and MIT (either jointly under both, just only MIT) ...
3
votes
2answers
814 views

MIT License: Why isn't it considered viral?

The first part of the license implies you can do basically whatever you want with it (copy, modify, sell etc). But the second part says that these freedoms must propagate into all copies of the ...
3
votes
3answers
3k views

What “sublicense” actually means?

First, it is clear that the right to sublicense doesn't give you the right to relicense. Let's say we have a library with MIT license(1 file), someone adds some features to the library but puts them ...
3
votes
1answer
52 views

Software License change after version change

I used a open source software to build an application about few months back. The license on the software states, "XXXYYY is Free Software, licensed under the MIT license - so it's free to use for all ...
3
votes
3answers
265 views

Is the MIT license suitable for an open source library that is only used in unit testing scenarios?

Some time ago I developed a small project for use in unit testing scenario's and published it on Codeplex. Back then I choose the GPL license but I didn't really understand it. Today I changed it to ...
3
votes
3answers
3k views

How to include an apache library with my opensource code?

I have this open source code with MIT license that uses an Apache 2.0 licensed library. I want to include this in my project, so it can be built right away. In the point 4 of that license explains ...
3
votes
1answer
104 views

Open source licensing of derived works

I derived an open-sourced work, Service-Nucleus, based on Netflix's Karyon (Apache License) and Google's AngularJS (MIT License). I want to make sure proper licensing and copyrights are in place, and ...
3
votes
1answer
79 views

Forks of MIT licensed projects

Let's take an example: User A MIT license Copyright (C) 2014, User A User B other license (not MIT) in which people who fork won't require mention of the current copyright ...
3
votes
1answer
187 views

Best way to reliably recognize open source licenses?

In many projects these days most of the novel code consists of glue code that helps combine dozens of different libraries, plugins and helpers that are licensed under a variety of open source ...
3
votes
1answer
125 views

How to handle multiple licenses in your code

So let’s say I make a script/small app that has a ton of my own code, and only a small section of it is comprised of a utility from someone else (let’s say a simple operation like sending files to the ...
3
votes
3answers
366 views

Sharing code in LGPL and proprietary software

I'm working on a piece of software that'll be released as a dll under LGPL. The software interfaces with hardware from a small company that has provided me with the needed libraries and some code to ...
2
votes
2answers
125 views

Software license without modify

I have my own company, and I would like to release our customer management system as open source so everybody can see what we do. But it is very important to me that I don't want anyone else to use ...
2
votes
1answer
2k views

Is it legal to modify MIT licensed code and sell it?

I have a project and I want to use a ready-made script that is licensed under MIT in it. But using this script separately will be redundant. So I've decided to merge my code and the MIT licensed ...
2
votes
1answer
235 views

Do I have to include full gpl v2 license information in my commercial project if I use another author's work?

I would like to use another author's work in my commercial project. That author's work is licensed under GPL v2. I'm not using full code. I'm using only part of the code. Also I modified it as per ...
2
votes
1answer
170 views

Licensing code from my personal project to my company via an open-source license

I'm currently working on a certain problem for my company (i.e. where I work for hire and don't own the code I produce in any way). It appears, that in one of my past (or, who knows, maybe still ...