Questions tagged [licensing]

Questions about the implementation of software licenses on software. If you intend to ask something about free or opensource software, CONSIDER NOT TO ASK HERE. Instead check if **Opensource.SE** (https://opensource.stackexchange.com) would not be more appropriate for your question than this site.

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84 views

Windows c++ (piracy): strategies for preventing multiple binaries from being cracked by a single patcher [duplicate]

I am developing a piece of commercial software for Windows, that requires users to obtain a license key in order to use it. It is run locally by clients with the assumption that their machine may not ...
1
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1answer
80 views

License control for an on-premise application

TL;DR How do you build an airtight license control system for your onprem application, which revokes access once subscription ends? Premise I am building this application in Python that needs to ...
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4answers
168 views

How do I prove an app is mine? [closed]

So I am in the process of finishing an app (android for now), and I have a doubt about if I should have papers that proof that I made that app. Its the first time for me to publish an app, and I am ...
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0answers
25 views

What happens when a MIT licensed project uses Apache 2.0 drivers to connect to GPLv3 databases? [migrated]

I'm working on a SaaS medical research startup project with a MIT license. The goal is for the source to be open (because then customers can help improve it and find bugs), and end-users who want to ...
13
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3answers
769 views

Licensing on Github

I'm uploading to GitHub for the first time and I am facing all sort of doubts about licensing. I did not know that topic was that uncovered in the net! But even it is complex, my situation is so ...
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1answer
59 views

Do I include the open source copyright notice in an enterprise software (for commercial use)? [closed]

I have included OpenCV libraries in the enterprise software written in c++. I know that OpenCV is a BSD 3-Clause license, which means most of its libraries are free to use, modified, and redistribute. ...
0
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1answer
111 views

How do companies ensure that a commercial license for their Framework is used?

I was wondering how does a Company make sure that a Commercial License was purchased for a Framework they are providing? For Example Qt is a Framework for C++ and it can be downloaded and used ...
19
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3answers
26k views

How does the GPL static vs. dynamic linking rule apply to interpreted languages?

In my understanding, the GPL prohibits static linking from non-GPL code to GPL code, but permits dynamic linking from non-GPL code to GPL code. So which is it when the code in question is not linked ...
2
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3answers
511 views

Do I need to put a license in my website's HTML and/or CSS?

I am making a website for a competition my school is taking part in, however I am not on the team and am not receiving any compensation (save for better references :P). The only condition I have set ...
19
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6answers
6k views

How could we rewrite the 'No Evil' license to make it 'free'?

I did not find the lawyers' SE site, so I thought it best to post here. /* * ...subject to the following conditions: * * The above copyright notice and this permission notice shall be included in ...
0
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2answers
5k views

Making profit using OpenCV?

I was looking to use OpenCV to program an image recognition app for iOS. One thing I wanted to check is if I were to charge $0.99 or $1.99 for the app, would I be breaking OpenCV's license? I didn't ...
118
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7answers
43k 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 ...
25
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2answers
14k views

Mozilla Public License (MPL 2.0) vs Lesser GNU General Public License (LGPL 3.0)

I would like to release a software library written in a class-based, object-oriented programming language (Java) on a web-based source code hosting service, that allows forks of the project to be ...
64
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1answer
25k views

What is the best practice for arranging third-party library licenses “paperwork”?

I am developing a small open source project. The application uses many third-party libraries released with a range of licenses: Apache, MIT, BSD, LGPL and CDDL. Each of these licenses has its own “...
6
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2answers
3k 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 ...
17
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3answers
1k 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 ...
20
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0answers
5k views

What is the license of a GitHub Gist? [duplicate]

Sometimes a GitHub Gist contains carefully crafted code that seems to qualify for what the Apache License would call a "original work of authorship", but the as far as I can tell the author never ...
6
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1answer
5k views

Should I add the license in every header and source file?

I'm about to push my first project to GitHub (a mini toy lisp interpreter written in C). I've noticed that the vast majority of open source projects include their license in every source file (at the ...
7
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4answers
1k views

How should I implement my chosen software license?

I have always kind of wondered, but never took my time to actually ask these questions regarding licensing. Most of these questions are presumably pretty basic, but I have no idea what I'm dealing ...
1
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3answers
604 views

How to prevent unfair use of open source software licensed under Apache 2.0 [closed]

I have released many open source software under Apache 2.0, now I'm providing a SaaS using that software. Basically, I need to prevent people just taking my software and just rebrand it to provide it ...
57
votes
3answers
30k views

Can you change code distributed under the MIT license, and re-distribute it under the GPL license? [closed]

Is it possible to alter the code of the Chili plugin, which had its latest release on July 2008, and it is licensed under the MIT license, to then license it under GPL? As far I can see, there is no ...
9
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3answers
8k views

How to include an apache library with my opensource code?

I have this open source code with MIT license that uses an Apache 2.0 licensed library. I want to include this in my project, so it can be built right away. In the point 4 of that license explains ...
15
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2answers
5k views

Is a license header in source files required when applying the Apache Software License 2.0 to a project? [closed]

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 ...
8
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2answers
3k views

Is Creative-Commons license compatible with Apache License?

For example if I have code that contains parts of code rewritten from code found here or on Stack Overflow or other Creative-Commons licensed code, can my final code be licensed with an Apache License?...
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1answer
65 views

How to handle third-party licenses of indirectly used packages [closed]

We develop an application using npm with several third-party packages. Now we want to release our app to the public. That we have to reference the licenses of the packages should be self-evident. But ...
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votes
1answer
188 views

What approach should i use to license a local web application with no internet?

I built a .Net web application for a company and it is going to be hosted on their own web-server that don't have access to the internet. the solutions i have thought so far is to get the MAC address ...
4
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2answers
322 views

Licencing FOSS for profit

Some projects are available under restrictive FOSS licenses (GPL or AGPL, for example) which preclude them from being used in proprietary projects. The developers can then sell separate commercial ...
25
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1answer
19k views

What to keep in mind when releasing an app which uses libraries licensed under the Apache 2.0 License? [closed]

I'm creating an Android app which is soon ready for release. I'm just going to implement a tab system using this library. I read that it is licensed under the Apache 2.0 License. I've never used any ...
0
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1answer
95 views

How to manage user serial keys for an application

I have an application in C# where several users access it. Each user will have a serial key associated with his username in a table users in a local MySQL database. Example of the table users: User ...
71
votes
3answers
22k views

What does “GPL with classpath exception” mean in practice?

Oracle seems to license all their Java-related open source code under the GPL with a classpath exception. From what I understand, this seems to allow to combine these libraries with your own code into ...
2
votes
0answers
78 views

What's the best way to control distribution/usage of proprietary, internal software?

I was tasked with writing software for my company. As I am now writing a third program (with many more coming), what's the best way to control the distribution/usage of our software? The software I'...
57
votes
4answers
22k views

Is there a chart for helping me decide between open-source licenses? [closed]

The Open Source Initiative lists 9 different licenses in their list of "License that are popular and widely used or with strong communities". I want to license my project as open-source. ...
22
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2answers
13k views

Confusion about dual license (MIT/GPL) javascript for use on my website

I've read all of the posts I can find on this and I'm still not sure of the answer. I'd like to use a jQuery plugin on my website that is dual licensed under MIT and GPL. Does the dual license mean ...
1
vote
1answer
488 views

Do I need to make my code open source or buy a license? [closed]

I want to develop a GUI in python for my company in order to sell it to the customer. Being fresh from the university where I used pyQt, I promptly started programming using that library, just to ...
-2
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2answers
72 views

Question about Restricting Features and Licensing [closed]

We have a product that contains features (Let's say feature A, B and C). We are about to move it to production (a web application) for a certain client. However, as per my boss, we will deploy the ...
161
votes
2answers
143k views

Best existing license for closed-source code [closed]

I'm creating a few closed-source applications on my own (no big company behind me) and am wondering exactly how to protect them. At the top of all the source code files I have this pretty basic ...
1
vote
0answers
679 views

It is possible to use a LGPL module on a Electron app licensed as Apache 2.0? [closed]

I'm developing a desktop app (using Node.js and Electron), licensing the code under Apache License v2.0 It's possible to add a module, licensed as Lesser GPL v3, to my app? I know that compiled ...
16
votes
2answers
4k views

MIT and copyright

I am contributing to a library that is licensed under the MIT license. In the license and in each class file it has a comment at the top saying: Copyright (c) 2011 Joe Bloggs <joe.bloggs@...
16
votes
5answers
13k views

Does the LGPL allow me to do this?

I am planning to develop a commercial software using a LGPL software. In the LGPL software that I am using some functions in a class are not fully implemented. I want to modify the LGPL code so that ...
19
votes
3answers
8k views

How are GPL-compatible licenses like MIT usable in GPL programs without being subject to the copyleft provision?

I'm currently examining the possibilities and implications of linking against a GPL library for an application in a commercial context. From what I've understood of the GPL, as long as the ...
46
votes
1answer
4k views

Altering author names in MIT license [closed]

Some years ago I wrote and released some software under the MIT license. Recently I noticed that one (or some?) of the forks have altered the leading copyright notice at the top of the license, i.e. ...
3
votes
2answers
154 views

What Software Delivery Guidelines are appropriate when outsourcing?

I started working at a very small company that regularly (not too often) has to outsource some software developments. The external suppliers than have to deliver something. As I now have seen is that ...
3
votes
3answers
2k views

Can I include a GPL v3 binary with my proprietary application if I prompt the user to download it at install time?

I have a proprietary application that I want to distribute and sell. The application uses a GPL v3 licensed binary/library. Since I don't want to distribute the source of my application and also want ...
42
votes
6answers
14k views

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

Years ago somebody created a bunch of really awesome and popular scripts. But they were not updated for a long, now they no-longer work (target platform were updated, and some changes are needed). He ...
3
votes
5answers
11k views

Use MAC address for license

One of my company product need to implement a license mechanism. I'm planing to generate a key base on users PC MAC address. But I'm bit scared is this method confuse with some advance hardware. ...
127
votes
2answers
32k views

Which SPDX license is equivalent to 'All Rights Reserved'?

I've got a package.json that's expecting a SPDX-approved license acronym, but I can't find one that means 'proprietary commercial license, all rights reserved'. Is there one for non-FOSS, where I ...
3
votes
1answer
637 views

Is it mandatory to obtain a licence for distributing software uses bundled Mono runtime?

My software composed of an EXE and dependent class library dlls, built on Windows using visual studio C# Compiler. I've been able to run it directly on Mac OS X using mono myApp.exe without rebuilding....
35
votes
3answers
14k views

Best Mechanism for Generating License Keys [closed]

What methods / libraries / tools would people suggest for generating license keys (those lovely AAAAA-AAAAA-AAAAA-AAAAA-AAAAA things you put in when you register software)? Any gotchas to look out ...
3
votes
2answers
216 views

Ban redistribution, but still allow code changes?

I have an app that was created from a follow-along tutorial. I was first using the Apache license for it until some people began to copy the code, insert ads and then redistribute the app. Would there ...
2
votes
1answer
121 views

Are there accepted alternatives to having boilerplate (e.g. copyright, OSS, xport ctrl, classification) in the sourcecode itself?

An increasing amount of effort is being put in keeping company code "boilerplate" header up-to-date according to classifications and templates from an external application, leading to "source code ...

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