Questions about the implementation of software licenses on software, including questions about open-source licenses.

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4
votes
3answers
3k views

Can I use Apache Software License, Version 2.0 and GNU LGPL 3 licence plugins in my commercial web application?

I have two plug-ins. One has the GNU LGPL 3 license and the other has the Apache Software License, Version 2.0. Can I use them in my commercial app? And if yes, what precautions should I take?
3
votes
2answers
292 views

Can the GitHub pull request process constitute an electronic signature of a CLA?

I appreciate the need for a Contributor License Agreement (CLA) in open source software projects and even understand that some tools are starting to make this process easier (like the low-friction ...
9
votes
5answers
4k views

Is there a modified LGPL license that allows static linking?

LGPL requires that it if a program uses LGPL-ed library, users must be able to re-link the program with a different version of the library: ... d) Do one of the following: 0) Convey the ...
2
votes
2answers
264 views

How “viral” is the Affero GPL? [duplicate]

MongoDB is licensed under the AGPL, and interestingly, its licensing page says the following: To make the above practical, we promise that your client application which uses the database is a ...
1
vote
2answers
93 views

Where is “the line” for copyleft licenses [closed]

Where exactly is "the line" between needed to copy a copyleft license and not? For example, I am writing a non GNU GPL program that uses git. I do not mean that I use git to write it, I mean, git is ...
3
votes
0answers
146 views

how does CC licenses (0,BY,BY-SA) affect proprietary/closed source applications?

I think this question is specific to indie developers be concerned about. Think about it as a "license clarification" or a "license practical use case". I need to know how must be my project basic ...
0
votes
1answer
51 views

Can your staffs distibute your company non-distirbuted GPL licesned code?

Let say you use libmysqlclient to connect to MySQL, and since the client is GPL licensed and so your program. That's fine since you are the only one working on the project. Then, you have a staff to ...
6
votes
2answers
603 views

What's the difference between WTFPL, CC0, and public domain?

What's the difference between WTFPL, CC0, and public domain? Are they essentially the same thing?
0
votes
1answer
82 views

Can I use in a non-free script a code example that doesn't mention license but which is used by its author in a GPL'ed script?

After seeing the following question one of my problems came in mind: I want to couple two different scripts in two different languages. I found a solution for that, and I copied that solution. ...
0
votes
2answers
114 views

Is it necessary to apply to anywhere other than to add a file as LICENSE.txt for open source or free software licensing? [duplicate]

I am going to continue a game engine project I didn't engage in for a long time.I amatourly writed some core libraries using OpenGL with C++. Because I am not that into programming in general, I am ...
2
votes
2answers
321 views

Can I license a program under Apache License 2.0, if it is using/including Eclipse Link (EPL or EDL)?

Can I license a program under Apache License 2.0, if it is using/including EclipseLink? (EclipseLink under Eclipse Public License or Eclipse Distribution License) I did not change anything in ...
2
votes
1answer
148 views

Using Unlicensed Code

Say for example, I was to find a github project that was started but not quite complete or that was complete and I wanted to use that code within a larger project but the author of the code has not ...
2
votes
1answer
24 views

Redistributing vendor libraries license exemption

I have a library that is MIT licensed. All of the vendor files (located in a vendor/ folder) are MIT licensed as well, so I'm not too worried about my current situation. I am curious what the legality ...
0
votes
1answer
88 views

Open Source code in Closed Source project [closed]

If I am using open source code in my project but don't want to release any source code, what license should I use?
15
votes
4answers
3k views

Can someone relicense my code, then sue me for distributing it? [closed]

Let's say I have published some code, and have relinquished all copyright interest to that code by some extremely permissive license (e.g. unlicense). Can a corporation take my code, republish it ...
12
votes
6answers
2k views

Can you change a license once you pick one?

I am working on a product that I don't feel is completely ready but I have a set of users that are very interested in using it now as "alpha" testers. I would like to give them the product now for ...
23
votes
7answers
2k views

Can I use GPL libraries temporarily for prototyping and make the future code closed source?

I am working on a prototype for a software system, which (at least at the start) will be closed source. In order to save time, I'm thinking of using (that is, statically linking) a library that is ...
0
votes
1answer
50 views

Can I include mongod.exe in my commercial destop based or user self hosted app withou open sourcing it?

I have read the doc and the apgl blog post, but I still have some concerns: Can I include mongodb.exe in my commercial desktop based app? Can I include mongodb.exe in my commercial user self hosted ...
1
vote
2answers
85 views

Can one deny specific parties the right to use and modify otherwise open source software?

I have an open source project that has the attention of some peers, and several of them are eager to contribute. There is one amongst them, however, who I wish (largely for comedic purposes; it's a ...
0
votes
2answers
111 views

Can I license software under MIT license when using Librarys licensed under the GPL [duplicate]

I'm developing software that i want to license under the MIT License. My software uses libraries licensed under the GPL. I'm NOT recompiling, building, or modifying the Library but I am linking to it. ...
16
votes
3answers
499 views

Should I include myself as an author after modifying 3rd-party code?

It's common practice to make some tweaks or fixes in 3rd-party code (be it a simple gist or an entire library). But it's also common that many of these code have their own licensing rules and ...
7
votes
1answer
544 views

Can a programmer renounce ownership of source code? [closed]

I came across this license: /** * The author disclaims copyright to this source code. In place of * a legal notice, here is a blessing: * * May you do good and not evil. * May you find ...
2
votes
1answer
47 views

Can tools.jar from OpenJDK can be installed in public repository

Is it legal to install tools.jar from OpenJDK in public maven repository? I found at least three topics on the Internet which conclusion was that such action is forbidden for jar provided by Oracle, ...
97
votes
14answers
11k views

Is it possible to rewrite every line of an open source project in a slightly different way, and use it in a closed source project?

There is some code which is GPL or LGPL that I am considering using for an iPhone project. If I took that code (JavaScript) and rewrote it in a different language for use on the iPhone would that be ...
1
vote
0answers
39 views

Creating derivative work based on a project under apache license - Dealing with original notices in source codes

There is a library licensed under Apache License 2.0 that I extended its functionality in multiple new Classes. Also some of the original Classes of the project had to be modified in which some of ...
1
vote
1answer
61 views

Reimplementing algorithm from GPL program

If I reimplement an algorithm of a program covered by GPL v2 do I have to also license my program as GPL v2? And to be specific: I need a javascript library to compare debian packages versions. ...
1
vote
1answer
37 views

Restrictions of using a CC BY-NC resource in software?

Lets say there is a resource published under the CC BY-NC license that is not itself in any way related to software, but rather a database of sorts for example. As I understand, this places ...
0
votes
1answer
43 views

Mixing BSD + GPL, and dual licensing

I am the sole author of a piece of C++ software which so far I have kept under the GPL license. For uninteresting reasons, I am considering a switch to a MIT/BSD style license. As far as I have ...
29
votes
1answer
4k views

What is wrong with the Unlicense?

I have often heard that I should not use the Unlicense because of issues regarding putting things into the public domain. However, I do not understand why this would be an issue for the Unlicense. The ...
0
votes
2answers
69 views

Can I modify existing GPL software to use a proprietary (closed-source) library and then distribute one or both?

Say I have GPL software A and proprietary library B. I modify A to use B. Am I then free to distribute A by itself? The GPL FAQ seems to indicate that is there case here: ...
3
votes
1answer
99 views

Do I need to include a copy of the GPL / LGPL to every copy of my program?

Is it necessary to include the GPL / LGPL license text to every distributed copy of my program? Or can I just put a link in the About-dialog?
-1
votes
1answer
59 views

License for internal program [closed]

Pending approval, I will be using NPOI for internal programs at work. I will be documenting the associated license, and I find myself wondering about licensing on the programs themselves. In short: ...
1
vote
2answers
55 views

(How) should I change the copyright notice in a translated work?

I cannot find any guidance on this. Do I need to change the copyright notice for an application that is automatically translated from a programming language into another one (and recompiled and ...
2
votes
1answer
378 views

Copyleft Licenses - Need to attribute?

I'm currently evaluating which license to use for my next OS project, and things are getting more and more interesting after I decided that I really want to understand what the licenses mean. Up ...
0
votes
2answers
227 views

Forking EPL library. Can I change license?

There is library OpenCl.NET licensed under Eclipse Public License. I want to fork it to change some errors and add some functionality. Is it possible to license my changes by Apache 2 license?
0
votes
1answer
34 views

How to distribute copyrighted resources with and open source project?

I would like to create an open source GPLv3 project that will work with other resources that are under different types of copyright (e.g. free to use, but must not sell). Because of this, I can't ...
0
votes
2answers
58 views

When do I have to provide source code for firmware that uses GPLv2 libraries? [duplicate]

Suppose that I am writing the firmware F for the device D, and that I am using the library L which is licenses under GPLv2. The library L is a "source code library" that means that it is not compiled, ...
0
votes
1answer
40 views

Software License question [duplicate]

I am building some software which I am storing on Github (public). Is it possible to change the license so that I can sell my software at some later point in time, as long as no one has contributed ...
0
votes
2answers
80 views

Does Un copyrighted software or code fall automatically under copyright? [duplicate]

A programming tutorial, code, software anything that doesn't have a copyright notice or a license ,is it automatically copyrighted to the author ? or its the same as something under public domain or ...
-2
votes
1answer
71 views

How to enforce copyright in source code for use by others [duplicate]

I have coded a project for private use. I currently have no intention for commercializing it but the plan might change in the future. A friend of mine now wants to use it for his project, and asks if ...
3
votes
4answers
239 views

Can GPL licensed code be close sourced later by the author? [duplicate]

Suppose someone writes some code, and publishes it as open source under the GPL. Later they decide to close source their application and put it for sale. Is that in violation of the GPL? All code in ...
0
votes
2answers
153 views

What open source library licenses can I use in closed-source?

I like to create a closed-source program and sell it. I would like to make use of various open source libraries to make it easier to write this program. So how I will choose the libraries that I ...
0
votes
1answer
22 views

Using Database licensed under Creative Commons Attribution v3

I have access to a database which data is released under Creative Commons Attribution v3.0 I understand that using this database/data requires me to give credits on information origin in different ...
0
votes
2answers
122 views

Finding a Pre-Written Software License

I've been researching licenses for a few days for a software project I've been working on that I'd like to add a license to. I'm looking for a fairly restrictive software license that allows access ...
0
votes
1answer
64 views

Which open-source license is right to keep some advantage for me AND for the developer-community?

I know that this question has been asked a many times but there are at least that much different answers. I'd like to release a software, i developend for about a year. So i would like to keep some ...
1
vote
4answers
144 views

Why are FLOSS licences applied to files instead of diffs/deltas?

In the case of open source software development, where contributions build on previous work I would find it more sensible for each copyright holder to hold copyrights on the diffs/deltas he/she ...
0
votes
2answers
77 views

When are you violating a license like the GPL? [duplicate]

Specifically in the following scenarios where you're working on an open source library using an incompatible license like the MIT license. You copy & paste a method from a GPL library - ...
0
votes
1answer
91 views

Software previously licensed under GPL now APL2, can I use it in a commercial application?

A software I would like to use in a commercial project switched from GPL to APL2. The news cites: Please note that the new code that is currently developed as part of the 2.0 code base is licensed ...
1
vote
2answers
70 views

GPLv3 + commercial license on the same project? [duplicate]

I'm trying to find a solution to publish my source as open source just for personal and no-profit use, and sell licenses for commercial use. I see Packery which uses GPLv3 for non commercial, and a ...
1
vote
3answers
50 views

Is using data generated using AGPL-v3 licensed code considered distribution?

I'm considering using parts of a GNU Affero General Public License v3 (GNU AGPL v3) licensed library in a commercial context, but we obviously can't afford to release our whole code-base. We would ...