Questions about the implementation of software licenses on software, including questions about open-source licenses. See the full description for more information about which questions are on topic.

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1answer
141 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 ...
1
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1answer
120 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
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1answer
204 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
97 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
226 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
45 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
52 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
2answers
29 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 ...
3
votes
0answers
149 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 ...
1
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1answer
62 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
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1answer
63 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 ...
4
votes
2answers
321 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 ...
6
votes
4answers
989 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
147 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 ...
0
votes
1answer
153 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 ...
-3
votes
3answers
133 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
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
44 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
78 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
89 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
80 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 ...
3
votes
1answer
102 views

How to license open source code you have heavily modified under the BSD license

I've created a heavily modified and more reusable version of this Qt Quick Scene Graph example. Every source file includes a BSD license. The following lines basically say I have to include the entire ...
1
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1answer
70 views

Open-source licenses and modifications

I see in the GPL license FAQ : Does the GPL require that source code of modified versions be posted to the public? (#GPLRequireSourcePostedPublic) The GPL does not require you to release ...
1
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2answers
66 views

Reuse a small method from Apache Ant: How to do that correctly

I adapted some code from the Apache Ant project in my work. The part I used is really small: ~70 lines, ~2000 characters. Adding dependency to ant to use that a single method seemed like an overkill. ...
9
votes
2answers
808 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 / ...
2
votes
1answer
76 views

What are my rights if software didn't come with a license? [duplicate]

I have downloaded some software which I'm using. I'd like to include it in my project but I don't know if I'm allowed to do so due to the software not having a license. What are my rights? If the ...
1
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1answer
328 views

PrePros license MIT but shareware at the same time?

PrePros a compiler for the LESS/CSS languages is licensed under MIT But from version 5.0 it being presented as 'Shareware' which requires payment and activation, although it does not impose any ...
1
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1answer
118 views

Is there any license which prohibits usage for hiring purposes?

I develop code review tool which analyzes the code and gives it passed grade and output details of code review. I want to prohibit to use this software for recruiting/hiring purposes. I don't want ...
1
vote
2answers
245 views

It is safe to accept money for open source software that you've written? [closed]

I've written an open source library for iOS, and I've received an email from an overseas developer who wants to pay me for my work so that he doesn't have to attribute in his app. The code is ...
-2
votes
1answer
110 views

What rights do I have if a closed source non-distributed in-home application was stolen? [closed]

I was always wondering about this, because I have been recently reading about many leaks and stolen programs on certain news sites: If a program (running on a server for example, serving http ...
-3
votes
1answer
84 views

What license is this source code published under?

Could someone help me determine the license under this source code is published? And what obligations I have if I want to use the code. ...
2
votes
2answers
175 views

Software licensing of free abandonware

I recently found the game that was my first encounter with a computer, a DOS game running in text mode. It was released in 1984 and is available on abandonware sites, but I've started to wonder if I ...
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votes
2answers
42 views

OSS Non-Commericial License

I'm working on a project I want to keep open source on GitHub, but I have a licensing problem. I have searched for hours, but I haven't found a license which disallows commercial use/sale of the ...
1
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1answer
127 views

Why are Apache 2.0 works excluded from OpenBSD?

From http://www.openbsd.org/policy.html The original Apache license was similar to the Berkeley license, but source code published under version 2 of the Apache license is subject to additional ...
2
votes
2answers
287 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 ...
-2
votes
2answers
138 views

Do I have to distribute my code if I use GPL based jquery controls in my commercial application

I have been thinking about using 3rd party GPL based jQuery controls in our in-house ASP.NET project. As far as the 3rd party license is concerned, I think I can use any jQuery controls in my ...
14
votes
2answers
9k views

Understanding Visual Studio Community Edition license

Recently Microsoft has released a free version of Visual Studio: Visual Studio Community Edition the license says IF YOU COMPLY WITH THESE LICENSE TERMS, YOU HAVE THE RIGHTS BELOW. ...
0
votes
1answer
77 views

Original GLUT library was open source, but license prevented releasing any changes to it. What could be the rationale behind such license? [closed]

Original GLUT library is open source, even on GitHub, yet the license doesn't allow any changes to be released publicly (but you can change it for use in your own projects, as is often exercised in ...
0
votes
1answer
46 views

The usage of server under GNU GPL

I have found an open sourced server that is licensed under GNU GPL. We would like to use that server at our client's hardware as a part of our solution for him (we provide our own software but we need ...
1
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1answer
79 views

When to choose an open source license?

There are many good questions out there about choosing an open source license, reasons to go open source, etc. However I have not seen an answer to this question and I feel like more people could ...
9
votes
2answers
825 views

Must I provide my project source code if I use a library licensed under Apache 2.0?

I have a private (i.e. no chance of sharing the source) and commercial application, now I would like to use a library which is under the Apache 2.0 license. I've read the Apache license and FAQ ...
3
votes
1answer
103 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
68 views

Which license should I choose for binary patches? [closed]

I want to publish my work which consists of patches for program binary. I do not have source code of the program and have no way to get it. Since binary patch does not quite meet definition of source ...
1
vote
0answers
65 views

Is conversion from C/C++ to Verilog/VHDL for FPGA a derivative work? [duplicate]

Say I have a C/C++ software licensed under GPL that gets converted into hardware design. By this conversion I mean that the exact functionality of the original software is being programmed into an ...
2
votes
2answers
275 views

Can software with a restrictive open source license (GPL,AGPL) be used as part of a tool chain in a commercial software package? [duplicate]

If we use a nice library like TetGen, generate a simple application-wrapper that simplifies our needs and publish it as open source, can we use it inside some Pipe/Chain of applications used in our ...
-1
votes
1answer
122 views

Linux or Kernel [closed]

Question: when people use linux kernel, they have to distribute the kernel source code also? Is it mandatory, if yes, in which scenario or any link which states the same. If i develop application on ...
2
votes
1answer
84 views

Removal or footer text in an open source

We know that open source software can be used for commercial and non-commercial purposes. Some open source sofware (e.g. some CRM software) places a footer at the end of the page such as "Powered by ...
2
votes
2answers
136 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 ...
4
votes
4answers
376 views

Do I have to make source code open, if I use GPLv2 licensed software to derive data

I'm working on a calendar project, on my own. In this project I've to use Swiss Ephemeris. It is licensed under GPLv2 and commercial. With commercial version of license, developers entitled to ...
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votes
1answer
74 views

Java Licenses, GPL, GNU Questions

I would like to ask a few questions about software licenses, with regards to a (Java) program I am making. I am very very new to licenses, so please bear with me. 1. If I produce a Java program using ...