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

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16
votes
3answers
482 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
528 views

Can a programmer renounce ownership of source code? [on hold]

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 ...
-3
votes
0answers
49 views

What to know prior to open-sourcing a project from legal perspective? [duplicate]

Previous questions and answers are focusing on "usability" and promotion (as if we are living in some ideal world). I am wondering what could be potential negative legal consequences. For example: ...
0
votes
3answers
131 views

BSD-2 Licence Code modifying

I'm using a BSD-2 Licence code in my project and with author permission, I modify the code. Now, I am using this code in my project. I know, I should mention Author's name and copyright information. ...
0
votes
1answer
108 views

How and when had the CC BY license become GNU GPL-compatible?

I believed that Creative Commons Attribution License, even being non-copyleft one, was always and still is incompatible with GNU GPL because of multiple minor issues; which, however, were gradually ...
-4
votes
0answers
65 views

I'm about to sell my app. What are my options? [on hold]

I've developed a medical app, which I think is pretty revolutionary. I haven't yet released the app on the market, because the database is incomplete, and I probably won't be able to finish it on my ...
2
votes
1answer
34 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, ...
93
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 ...
0
votes
0answers
22 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
48 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
29 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 ...
5
votes
1answer
124 views

Open Source license that prevents from bundling with adware?

I wrote a small tool I published on my blog. I did not even think about the license, just put the binaries there for everyone to download. Now I am thinking about making it open source (BSD or GPL) ...
0
votes
1answer
29 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 ...
0
votes
2answers
76 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. ...
23
votes
1answer
3k 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
59 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
90 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
57 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
votes
0answers
4 views

Remove Copyright Template Headers from Java Source in IntelliJ [migrated]

IntelliJ adds too many copy right headers I setup IntelliJ to include a licence into source code as a comment into the header. For some reason IntelliJ repeated the copy right statement for several ...
1
vote
2answers
48 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
364 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
1answer
43 views

Creative Commons ShareAlike

Some of the CC licenses define ShareAlike term: ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original. ...
0
votes
2answers
216 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
31 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
50 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
36 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 ...
2
votes
2answers
297 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 ...
0
votes
2answers
74 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
50 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
213 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
97 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 ...
0
votes
2answers
129 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
109 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
57 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
138 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
67 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
69 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
53 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
32 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 ...
2
votes
3answers
72 views

Displaying copyright notice for OSS in closed source Android app

I am considering the usage of various open source libraries in a closed source Android app. The libraries are released under various licenses (MIT, BSD modern, Apache 2.0) which allow this kind of ...
2
votes
1answer
46 views

Releasing libraries used in a commercial application as GPL [duplicate]

While I was at university I developed some PHP libraries which I intended for personal use. I used them in a few personal projects. When I joined my current job we created a commercial product which ...
-4
votes
2answers
90 views

Intellectual property on software: how does it work? [closed]

I've developed software (web development) and before launching it I'd like to know how exactly can I keep this in my name and rights and avoid further mimics of the idea, just like in a regular ...
1
vote
2answers
94 views

Is a software licence required? [duplicate]

I'm a developer of open source applications and publish my applications and smaller source code snippets on my personal website. I also often find and use code by others, often from blogs or small ...
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 ...
1
vote
2answers
202 views

Best approach to develop / distribute proprietary module

I've been brainstorming for a while regarding the best approach to distribute closed-source modules. I'd like to mention that I have found similar question(s) on SE sites but don't think this is ...
9
votes
3answers
11k views

Is Java free/open source or not?

On November 13, 2006, Sun released much of Java as free and open source software, (FOSS), under the terms of the GNU General Public License (GPL). On May 8, 2007, Sun finished the process, making all ...
11
votes
7answers
2k views

Open source code with no license… can I fork it?

A few years ago somebody created a bunch of really awesome and quite popular shell scripts. They don't work in the latest version of Mac OS X, because a filepath has changed. All you need to do is ...
3
votes
1answer
92 views

Do I need to handle licenses of immediate dependenies?

Let's assume within my project which is GPLv3 based I'm using a single library called a-lib.jar. That jar itself is licensed using Apache v2 license, so I should be fine with the GPL as long as I ...
2
votes
1answer
104 views

Is a license header in source-files required?

Reading through the Apache Software License 2.0 appendix I am left unclear what exactly I have to do now: APPENDIX: How to apply the Apache License to your work To apply the Apache License to ...