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

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1answer
68 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
221 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
134 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
111 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
59 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
142 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
73 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
76 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
63 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
40 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
89 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
48 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
92 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
209 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 ...
11
votes
3answers
12k 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 ...
3
votes
1answer
141 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 ...
0
votes
1answer
94 views

How to comply with LGPL 2.1 source-code request?

I have an iOS app that uses the VLCKit framework for it's video player function. Today I got an email from the creator of VLC and in the email is stated this: According to the LGPLv2.1 VLCKit and ...
6
votes
5answers
4k views

How can I create my own software license? [closed]

I have seen numerous licenses for any kind of software such as the GNU GPL, BSD License, MIT License, and LGPL. What is the process for creating a new software license, such as "John Doe's generic ...
0
votes
1answer
129 views

Using GPL’d software in a proprietary web application

We are developing website that we charge money from members to join it as membership annual cost, so, we decided to put a plan for the second stage so we are choosing now the load balancer that we ...
19
votes
4answers
2k views

Should I change the name of the WTFPL?

I'm using the WTFPL in my personal projects that I have published on GitHub. Currently I'm using the license verbatim, but I have a suspicion that I shouldn't be leaving the third line: Copyright ...
9
votes
4answers
6k views

Is BSD license compatible with Apache?

Can I develop a BSD-licensed software that extends an Apache-licensed software (and vice-versa)?
1
vote
1answer
96 views

Is it OK to credit (CC BY 3.0) icons in my (GPLv2) Github project with a CREDITS.txt file?

I'm in the middle of uploading a project to github. My software uses some icons which are licensed: "Creative Commons (CC BY 3.0 US)" Should I hardcode the credits in a... let's say "Help->About" ...
1
vote
1answer
197 views

Including GPLv2 code in GPLv3 code

I would like to use some code that was released under GPLv2 in my project. I released my project with the GPLv3 license. Can I do this, or do I have to downgrade to GPLv2?
2
votes
3answers
95 views

GPL covers the linguistic data in *spell dictionaries?

There are good annotated vocabulary in {a,i,my}spell dictionaries, giving the lexical class et all. I'm writing a program that needs a large vocabulary, but with a reduced scope, so I don't need all ...
3
votes
1answer
182 views

Is it OK to use the MIT license for a project that uses Qt?

I built a Qt application. Am I allowed to LICENSE it under the MIT license? Qt is a cross-platform application and UI framework for developers using C++ or QML, a CSS & JavaScript like ...
2
votes
1answer
39 views

License of library used by one library include in my project

I am developing a small project to sell and I have used several Java libraries, mostly with LGPL or Apache 2. And I have one question, for example, I am using jasypt, wich is an Apache 2 license ...
-1
votes
1answer
47 views

Licensing: CC-BY-SA to CC-BY-NC-SA

Disclaimer: I am not a lawyer, and I don't expect anyone answering this question to also be, and I will not take the answer as legal advice. Starting from a piece of software (in this case, a game ...
2
votes
1answer
303 views

Modern.IE VM license

Microsoft provides some VMs for testing purposes (advertised on StackOverflow) and I'm trying to understand the license terms. The one I don't really understand is 1.b. You may use the ...
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votes
2answers
28 views

Licensing subcomponents

Say I produce system X, which contains some components (A, B and C, say) which are specific to X, but ripe for generalisation. Let's say X is licensed with a viral open source license ([AL]?GPL). If ...
5
votes
2answers
314 views

Does distributing non-GPLd assets with a GPL application violate the license?

This is somewhat related to my other question, but is actually different. I would like to license a Windows Phone application under the GPL. All other Windows Phone Marketplace issues aside (I'll ask ...
3
votes
2answers
265 views

can a closed source commercial software make system(3) calls to GPL applications (not libraries)?

The closed source commercial software (CSCS), will just make system(3) calls to GPL applications. The user machine will run CSCS and it will call these GPL applications, in realtime, in the very same ...
1
vote
1answer
56 views

Releasing Qt-based controls under University of Illinois/NCSA

Qt is a graphic framework which has a double license: commercial (statically link and modify at your wish) LGPL (you should either dynamically link against it or release your source code, any ...
1
vote
1answer
62 views

PirateBrowser Licensing

I am sorry if this question isn't appropriate here, but this made me confused. But what I read in MPL 2.0, any software derivated from a existing one with this license should keep it under such ...
11
votes
6answers
7k views

License key solution in web application, what is the best approach?

I am stumped by a request from my manager. I work for a small startup and we developed a web application for a fixed rate with a maintenance agreement for a MUCH larger company. Knowing horror ...
6
votes
4answers
983 views

Is it allowed to embed an LGPL command-line tool?

I want to sell a closed-application that depends upon a certain command line tool. Am I allowed to distribute my software including this command line tool? For example, as a separate binary ...
-4
votes
1answer
146 views

Does a licence exist where forking forces the developer to resell it when developer want to redistribute? [closed]

Imagine i create a great framework. I ask a small licence fee for usage, let's say 10eur. Then I would like to allow other developers to create a fork/derived works. When they want to distribute and ...
-3
votes
3answers
132 views

How can a community continue support for a product (*not* open source) discontinued by it's owner [closed]

A web-project (I don't want to go into details about who/what/why) has been replaced by it's company with a "version 2" that means version 1 owners have been abandoned at the end of this month (all ...
0
votes
1answer
100 views

Can a single GitHub repository include source code released under multiple licenses?

I want to gather several sub-projects in a single GitHub repo for the convenience of the users. But I wonder if it's actually possible to have folders in a single repo each of which is covered by a ...
9
votes
2answers
780 views

How can a company sell licenses for GPLed software without violating rights of others [duplicate]

There are tons of questions like "Can I use GPLed code X in my commercial project?" but I found nothing which answers my question. I take ExtJS as an example, but actually you can any commercial / ...
0
votes
0answers
22 views

Maven Repository Jars for commercial purpose [duplicate]

I am developing a web application on Java J2EE platform. I want to use maven repository jars like spring, hibernate, commons-*jar etc. Are these jars free for commercial purpose? I just want to use as ...
1
vote
1answer
41 views

The term “aggregate” in GPL3

What does this part of GPL3 mean in simpler or more readable terms? If I decide to enhance a GPL3 Program in which some snippets of the codes I could add are generic (may it be on a separate file or ...
3
votes
1answer
73 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 ...
0
votes
1answer
86 views

Copyrights for Open Source projects [duplicate]

Say I'm developing a piece of Open Source software (BSD-Like permissive license) and I write the initial release entirely on my own. After the initial release however I would like numerous other ...
1
vote
2answers
75 views

GPL license for software and online service comparison

I have two questions that are linked : 1) Can someone sell a fork of an open-source software under GPL without distributing the source? Example: Can I modify a little bit GIMP, repackage it under ...
38
votes
14answers
4k views

What do I need to do to NOT steal “Hello World” code with a GPL license?

In the project, I found a file, math.c, with a big GPL header and ... //------------------------------------------------------------------------------ /// Returns the minimum value between two ...