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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0
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1answer
33 views

How to handle modification on MIT Licenced project

i'm about to work fork an MIT licenced project, i'm planning to use it as a starter. I was wondering how i have to handle the licence. What I understand When I will mimifie my javascript ...
-3
votes
1answer
110 views

Is it legal to copy an MIT-licensed software and change the copyright holder and software name and claim to be the creator of it? [on hold]

According to MIT License any person can: Obtain a copy of the software Modify it Distribute it Is it legal to copy an MIT-licensed software (let's say Expressjs), change its name and copyright ...
4
votes
3answers
1k views

Software licensing and Copyright of Open source

I have seen some source code containing Copyright notice in the beginning of the file. Most of them are either GNU General Public License or Apache License. If I want to develop any open source ...
2
votes
2answers
59 views

Accomodating a LGPL Python module into a BSD project

I have a program written in Python that I would like to make available to the public under a three-clause BSD license. My program has an import blah statement, where blah is a Python module that is ...
0
votes
1answer
164 views

Script to protect code duplication [duplicate]

I want to sell my source code, it's written in PHP and CodeIgniter. And it's actually a CMS for personal website. My intention is to create only one license for one use only, if someone buy this code ...
4
votes
1answer
46 views

How to redistribute modified code under PSF license

I spent a few hours cleaning up a really old Python library, ProxyTypes. Two days from now will mark 10 years since it was updated. Today, I updated it to support the newer Python 3, and to be ...
7
votes
5answers
8k views

Using C++ / Java to develop software for commercial purpose

I'm planning to develop a program which I intend to sell later. I'm trying to decide upon a language to code it with, and have narrowed down to C++ or Java. I've been through the GPL v2 and v3 ...
-2
votes
0answers
5 views

What license to use on a package containing MIT, Boostv1, and public domain? [migrated]

I have written an R package whose source code requires several libraries, whose source is therefore included in the package. These libraries are licensed Boostv1, MIT-style, and public domain. I am ...
2
votes
1answer
61 views

Can I use R via RDOTNET without having to provide the source code of my application

Can I use R via RDOTNET without having to provide the source code of my application. R is covered under GNU GPLv3. RDOTNET is under New BSD. From the RDOTNET description: "R.NET enables the .NET ...
3
votes
1answer
185 views

Open Source - what if someone commits a crime with my application

I have been recently asked to prepare a network scanner for association that teaches and lectures about security in information technology (mainly pro bono). I'm thinking of putting it as an open ...
0
votes
1answer
45 views

AGPL 3.0 where staging & production has to be purchased possible?

I would like to acheive the following with AGPL and wondered if it is possible: release an open source software product where everyone can share and contribute free for non-profit charge "...
0
votes
1answer
187 views

Using JDK in Google Android Studio License Issues

I'm new to android developing and maybe my question is strange. If I want to make commercial apps, libraries, or services for android and use Google Android Studio + Oracle JDK (not OpenJDK) is there ...
36
votes
6answers
10k views

Do you have to include a license notice with every source file?

I've been looking for various licenses that I can use for an open-source project of mine, but all of the projects that I've seen, with all kinds of licenses, appear to have a giant, obnoxious (in my ...
3
votes
1answer
43 views

Licensing when Porting

So I recently found some homebrew software for the Nintendo DS (NDS) which I like to use. But I have a Nintento 3DS (3DS) with homebrew enabled and I am thinking about porting it to the 3DS. I want to ...
1
vote
0answers
74 views

How to distribute FSharp.Core.dll and others?

I would like to distribute two files with my application: FSharp.Core.dll System.Collections.Immutable.dll The license for distribution requires to (according to the EULA): "require distributors ...
25
votes
4answers
4k 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 ...
0
votes
2answers
61 views

What exactly do I have to distribute to comply with GPL license?

I'm programming a game and am considering using some code released under the GPL license. I realize this means I will have to make the source code available and that won't necessarily be a problem ...
0
votes
1answer
90 views

How to implement licensing? [closed]

Is the following an acceptable way of doing program licensing? A license file containing following informations: Magic identifier (to verifiy that it is a license file for the program) License id ...
0
votes
3answers
879 views

How to stop a .NET application from being duplicated?

I have created a .net windows form application that I want to restrict from being duplicated. I want this application to be portable, so I would like to allow it to be moved. How would I be able to do ...
42
votes
4answers
51k views
0
votes
1answer
19 views

Distribution of application with Apache modules

I am about to release my first ever app, I have used a library that is licensed under Apache 2.0, my question is do I need to communicate with the library owner before I release it or in case I decide ...
3
votes
1answer
80 views

Do I lose the copyleft protections of GPLv3 when I publish my code on PyPI?

I created a Python package and licensed it under GPLv3. When I created an account on PyPI, I had to agree to the following: The PSF is free to use or disseminate any content that I upload on an ...
1
vote
1answer
54 views

Open source transitive dependency licenses

Suppose you have top level Dependency A. Dependency A is licensed under MIT. Dependency A packages Dependency B as part of its distribution. Dependency B is licensed under GPL. In order to use ...
4
votes
1answer
89 views

If I develop a media player for mobile or desktop do I have to pay for a license if my player is able to read MP3 files?

I know MP3 is not open source format but proprietary and I found this website http://mp3licensing.com/help/developers.html that states that you need a license for basically everything that uses MP3. ...
139
votes
3answers
23k views

Meaning of MIT license

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? ...
2
votes
3answers
110 views

Can government use a GNU GPL licensed sofware (phpBB) without posting the source code?

I'm now doing my internship in a government company (in India) and I've been assigned a project to create an online forum for the company.. I'm about to use phpBB forum software to create it, which ...
1
vote
1answer
72 views

Using GPLed headers in LGPLed library

For a specific device there exists a Linux kernel module. This module only initialized the device and provides control mechanisms to user land via ioctls and mmap. To use this the device properly one ...
3
votes
1answer
23 views

Using AGPL v3 software in an enterprise deployment

An enterprise utilizes the source code of a network software product licensed under the AGPL v3. It modifies the source code but does not share the changes with the original developer and copyright ...
1
vote
1answer
816 views

Correct way to sell commercial product with small scripts in it that are GPL? [closed]

I'm developing a commercial CMS, which I'm going to sell. I use jQuery, also I use date and time picker jQuery plugin in it, I can say this is just a 1% of my big script. I don't want sell my whole ...
0
votes
0answers
43 views
1
vote
3answers
83 views

Can I sell an application under the GNU Affero General Public License (GPL)?

I am using GhostScript on a desktop application that I intend to sell online. The GhostScript library has an AFERO license (see here). I do not mind to make the source code of my application available ...
2
votes
0answers
183 views

Software License for project using .NET and Sql Server Express

I considering making my application open source on github. I don't intend to sell it (neither in binary form nor source code form). It probably isn't even useful to a lot of people except maybe for ...
0
votes
1answer
36 views

Software Licensing - indirectly use an installed application

I have built a small Windows desktop application that I intend to sell and distribute copies over the internet (not as SaaS). The application in question uses ImageMagick library, which has a free ...
0
votes
1answer
42 views

AGPL alternatives for commercial software

Are there any real alternatives (i.e. non-customized software license agreement) to the AGPL license if you want to share your source code and make money selling software licenses?
11
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3answers
2k views

What kinds of Open-Source licenses are NOT OK to use internally in a corporation? [closed]

I have recently learned about several cool open source add-on tools and libraries for Microsoft Visual Studio. The tools just help you be more productive; the libraries would get linked into the ...
1
vote
2answers
105 views

Can I revoke the project's license after I translate its code?

I am planning on converting an old project originally from Objective-C to Swift. The project is currently under the MIT License, and any distributions of it must maintain the same MIT License. ...
3
votes
1answer
33 views

Do I need to add the copyright notice of the original contributors in the SaaS service contract of a forked AGPL sofware?

Context I have modified a lot a software that in under Affero GPL. I have contributed back what made sense, as it has a completely different direction. I plan to build a SaaS around it and charge ...
1
vote
0answers
76 views

Legal problem on lifting from open source libraries

Background Our project, written in Java, is now trying to eliminate unnessceary external dependencies introduced during prototype development. We feel it easy when killing simple static utility ...
0
votes
1answer
27 views

Can I use libraries published under MPL 2.0 and MIT in a project that uses APL 2.0?

I want to use two particular open-source libraries, in unmodified form, as dependencies of a project. One of the libraries is published under the MIT license; the other library is published under the ...
14
votes
3answers
1k views

Own project: Open source to closed source [duplicate]

In this thread it is discussed if it is legally possible to take on open source project and close its sources. But this seems to refer to someone else's project. So, my question is: What about my own ...
2
votes
1answer
30 views

Web-service which uses GPL software [duplicate]

here's the problem. I have developed an Azure-Based Web application which exploits some VMs. On top of these VMs I'm running a modified code which is licensed under the GPL license. Here's the flow: ...
1
vote
0answers
60 views

If I don't have an EULA, can I just display a general license? [closed]

I wrote a library in Python and I want to have an EULA and agreement box to pop up upon opening the program for the first time, but I don't have a lawyer. I don't know much about terms and conditions, ...
0
votes
0answers
39 views

Exclude files from open source license?

I'd like to use the MIT License for a project I'm working on. Most of the files in the repository are mine but 1 had to be copied from another open-source project (also under the MIT License). What ...
0
votes
1answer
41 views

License for header exposing functions in a BSD 3 clause licensed source

If I were to write a header exposing functions in a sample source file that was licensed under the BSD 3-Clause License, what would I put up in the header? Should I simply copy-paste the license ...
1
vote
1answer
20 views

Another Apache 2.0 license question, regarding modifying files

I have a slight case of OCD. That means I've read multiple questions that are similar but I'm still paranoid. I'm distributing a commercial application that relies on a 3rd party library that's ...
10
votes
3answers
213 views

How was the Mono Project able to relicense their LGPLed libraries under MIT?

The Mono project used to have LGPLed libraries. In fact mbundle still says when you run it Note that statically linking the LGPL Mono runtime has more licensing restrictions than dynamically ...
35
votes
7answers
5k views

Software License which discriminates on 'ethical' grounds

I've spent some time reading the common copyleft and permissive software licenses. Is there a license which allows the creator of an application or algorithm to broadly specify who may use/distribute ...
5
votes
1answer
81 views

Is restricting endorsement using author's name compatible with GPL?

I would like to link a GPL project to another project with the following clause in its license: The name of the author may not be used to endorse or promote products derived from this software ...
2
votes
2answers
151 views

Removing MIT licence credits upon paying

Is it possible to buy the authorship of a piece of software just to be able to remove the credits from its source ccode? Would that be ok if the author of the library agrees to do so for a price?
4
votes
1answer
201 views

Signification of YOLO LICENSE

I am using darknet framework for object recognition listed here: https://github.com/pjreddie/darknet This is its license: YOLO LICENSE ...