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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33 views

How to stop refund abuse?mfrdg [closed]

An user use can easily download the paid app and then extract apk and then get a refund by using google's refund policy.How b t g to stop them without a serever?mdrg
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0answers
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Asking for permission to contribute in a proprietary software? What should i do?

First of all i would like to say that i love open source software. It's free and a wealth of new knowledge of the things happening behind the curtain. Now lets talk about the elephant in the room here,...
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49 views

Is it secure to make a seperate project which checks whether a license is active

I am trying to make a project which will help me to implement feature based licensing in future projects. The projects in this solution are C#/WPF Projects. So I have a Helper-Project with a class &...
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1answer
67 views

Can I release my own work with CreativeCommon BY-NC-SA license (Non Commercial), and still make a commercial use myself?

I have released works with MIT licence, others with CC BY-SA, etc. But for a specific work, I'd like to share it with Creative Commons BY-SA-NC, i.e. I don't want people who will modify/fork it to ...
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0answers
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Does communicating with GPL software force me to distribute my source code? [migrated]

Let's say I have two applications: Server-side application which is written by myself entirely and it communicates with a GPL software in various ways, i.e: HTTP REST API (preceisely it's Asterisk if ...
41
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3answers
10k views

Declaring multiple licences in a GitHub project

For years, I've been a great fan of putting licences on things shared online to make it easier for others to determine if and how they can reuse said things. Before GitHub began to gently 'push' its ...
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2answers
159 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 ...
10
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3answers
5k views

Rewrote GNU GPL v2 code in another language: can I change a license?

I rewrote some parts of Mercurial (which is licensed under GNU GPL v2) in C#. Naturally, I looked a lot into original Python code and some parts are direct translations from Python to C#. Is is ...
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1answer
96 views

SQL Server: Which License? Any alternatives?

I'm working on a project which at the moment is not being used for any commercial purposes, and I'm managing the data by using a SQL Server Database. I read here that I should pay for it if I ever ...
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1answer
22 views

Release App to Apple and Google Stores - Demo account, only company users and User Generated Content scope

I develop for a company an Ionic cross-platform mobile app that will be published on Apple's App Store and Google's Play Store. I read Apple's Review Guidelines and Google's Developer Program Policy ...
97
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2answers
22k 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 ...
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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 ...
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0answers
40 views

Licensing a spring boot application inside an AMI

Say we have a standalone spring boot application which we are going to distribute by creating an AMI and sharing on the AWS marketplace. Since the jar is available inside the AMI, I want to stop a ...
10
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5answers
5k views

License validation and calling home

I am developing an application that, when bought, can be activated using a license. Currently I am doing offline validation which is a bit troubling to me. I am aware there is nothing to do against ...
2
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0answers
266 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 ...
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1answer
115 views

Why the licence manager system like battle.net, steam, uplay age more interesting than isolated software installation [closed]

I would like to understand why sofware developers tends to use a meta licence manager than a software dedicated licence. Is it a question of security or for "customer experience"? Thx for ...
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2answers
83 views

Is extracting strings from an executable considered decompilation?

I am attempting to parse all possible outputs of a proprietary piece of software (ELF binary) whose license explicitly forbids reverse-engineering, decompilation and disassembly. So my question is: ...
0
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1answer
1k views

What happens if owner changes license of a software after it was published [duplicate]

Let's consider following scenario: Person A creates a piece of software and releases the source code under a permissive license, let's say MIT Person B downloads that piece of software and uses it ...
0
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1answer
41 views

Concurrent Licensing Implementation

First time poster - apologies if I am missing key information. I am working on a project composed of two applications which rely on a USB license supporting concurrent licensing (e.g. only 10 users ...
29
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3answers
16k 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 ...
0
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1answer
65 views

What is a good way to make a “software activation code” system?

I have a software product I am going to release soon. It is built with Java/Spring/Tomcat and will be installed on the customer's local network. I plan to sell this to corporate customers and I want ...
0
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1answer
140 views

FOSS licensing decision: What to read? What factors to consider? [duplicate]

Which reasoning would you follow to choose one license over another? Which literature would you expect someone to read, if he wants to make a meaningful decision about licensing? I specifically don't ...
3
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1answer
164 views

What should I ask for when verifying open source compliance of purchased commercial software?

Our company was recently acquired, and I've been tasked to verify that our software is compliant with respect to open source licenses. Specifically, I have been asked to obtain from software vendors ...
1
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1answer
247 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 ...
3
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0answers
94 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 ...
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4answers
371 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 ...
13
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3answers
819 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
75 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
123 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 ...
21
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3answers
29k 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 ...
1
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2answers
850 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 ...
0
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2answers
6k 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 ...
124
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7answers
48k 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 ...
70
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1answer
28k 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 “...
8
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2answers
4k 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 ...
27
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0answers
7k 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 ...
11
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1answer
9k 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
693 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 ...
64
votes
3answers
36k 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
9k 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 how ...
17
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2answers
6k 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 your ...
8
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2answers
4k 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
74 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 ...
-1
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1answer
301 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
328 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
20k 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
135 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 ...
76
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3answers
25k 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 ...

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