Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [commercial]

Commercial activity is anything to make money. This tag is for question about making money with open source or other interferences between open projects and commercial activity. Warning: an open source software can be commercial as well. Do not use this tag to mean not-open-source. Use the [proprietary] or [closed-source] tags instead.

3
votes
2answers
87 views

When is a commercial company allowed to acquire an Open Source project?

For the last few months I spent significant time contributing to an open source project which is licensed with MIT license. I was aware that anyone is allowed to copy, use and change the project's ...
3
votes
2answers
112 views

How to deal with situation where your competitors have access to your source code because you developed it with GPL?

I make an industrial machine control product with LCD touch screen UGI. I use embedded Linux, I use GPL license tools. I am using industrial single board computer which is a bought out product. I am ...
0
votes
0answers
45 views

Developping a Qt game engine under GPL-3 license: can I force users to pay a fee if they want to commercialize their games (software output)?

I'm using Qt Open source so I have my software under GPL-3 license. I would like the engine to be free for users that are not using their output games for commercial use. For commercial use, I would ...
0
votes
1answer
40 views

License of papers on arxiv

I'm wondering if I can use any paper from arxiv.org for building commercial app. For better clarity let's say I want to build myself commercial app based on this paper in which I can't find anything ...
4
votes
2answers
1k views

GPLv2 - licensing for commercial use

I have a few questions regarding the GPLv2 license: For it to be GPLv2, I need provide access to my source files? If I use the v2 license, but charge for use, do users HAVE to purchase my license in ...
5
votes
1answer
78 views

LGPL license in a concatenated JS file

I came across an old project in which there's a LGPL licensed JavaScript code was used. The code had the commented LGPL license information, but it was in a combined JS file (Not minified though) ...
2
votes
1answer
61 views

How can Qt charge for a commercial license without getting copyright assignments from contributors?

As I understand, if the copyright holder accepts external contributions under GPL / LGPL, they are no longer the sole copyright owner and cannot charge for a commercial license. Or does this only ...
2
votes
0answers
41 views

Can I sell and distribute my software using OpenJDK without having to release my code?

We develop a software for commercial use and sell it to customers. The software is a web based software that requires Oracle JDK for running (JRE). We are considering moving to OpenJDK because our ...
3
votes
1answer
33 views

Can I use separate license for commercial use?

I would like to create a REST API in my server that internally use a GPL library. As far as I know the GPL license affects the 'distribution' not the 'usage'. -So whoever calls(uses) my REST API ...
1
vote
0answers
15 views

mapbox-gl-native license [duplicate]

Mapbox-gl-native is licensed under 3-Clause BSD license. The license states that we need to attribute mapbox in binary form. Buts its not clear if we can mention within a menu of the app we make or ...
2
votes
1answer
43 views

Application code shared between GNU and Comercial software

We have a software of our authory and made by our company, We have licensed a sub part of it as GPL v2 and still develloping a professional version with more features and that shares the code we ...
3
votes
1answer
58 views

User account licenses, in an AGPL SaaS app

Can I build & release an AGPL (v3) SaaS application, but still put constraints on the usage of user accounts in that application? I like to: Provide a hosted version of the service Provide the ...
1
vote
1answer
56 views

Right licenses for software: free use but ask for permission when economical profit [duplicate]

We have developed some software and we want to provide with the source code and binaries to the academic and industry community, so that they can freely use it. But if anybody wants to make commercial ...
1
vote
1answer
64 views

How does share-alike play with commercial use?

I'd like to know how a licence can both allow commercial use and be share-alike. My reasoning is as follow : If we use it in a product (which is authorized by the "commercial use" part), we have to ...
0
votes
1answer
43 views

Is it legal to create an auto-extractible SFX archive containing mixed commercial/LGPL software?

I wondered something : - I develop a little standalone tool for a commercial application written in C++ with Qt (lets say "test.exe") - Not having a commercial licence of Qt, I use Qt LGPL license - I ...
3
votes
2answers
203 views

What “non-commercial” license is that?

I have found the following license: Copyright (c) [year] [name] Please read carefully the following terms and conditions and any accompanying documentation before you download and/or use this ...
2
votes
1answer
47 views

About using GNU GPL 2, GNU GPL 3 and LGPL software in a commercial product

I build a commercial product, which uses some third party products licensed under GNU GPL 2, GNU GPL 3 and LGPL. I do not modify myself the source code of these third party products and I do not ...
6
votes
2answers
99 views

Do Licenses for Test Libraries Apply to Production Code?

(I am re-asking this question here, as I was informed that it was off-topic on Stack Overflow) My interest in this question stems from concern over the lack of a license in a testing framework I came ...
2
votes
1answer
231 views

Restrict Apache 2.0 to non-commercial use only

I recently came across a project stating in the LICENSE file: This project is released under the Apache License, version 2.0. This is a commercial solution, requiring a valid paid-for license for ...
0
votes
1answer
28 views

What are the libraries Blender is based on for mesh visualization and editing? [closed]

I'd like to make a software on Python with a GUI for 3D visual editing of meshes. That's why I ask the question. I suppose at least one mesh editing library is used. And at least one 3d visualization ...
0
votes
1answer
76 views

Can I commercialize my product that uses mblock?

I have a question regarding licensing of mblock based products. The mBlock 5 is a software tool for STEAM education. It is inspired by Scratch 3.0 and supports graphical and text programming. Also, ...
-3
votes
1answer
22 views

documentation-builder license information

I saw tool from ubuntu web platform called documentation-builder https://docs.ubuntu.com/documentation-builder/en/ and this is what exactly I need for my product. And my product is commercial one. Can ...
4
votes
1answer
102 views

AGPL licensed app, but only available with payment?

Is it considered valid for a company to create an app and then state that it is licensed under the AGPL, but then only allow users who have paid to actually acquire the source code? Assuming this is ...
3
votes
1answer
167 views

Commercial print (shirt) of GitHub repository

GitHub offers a list of 33 licenses: Academic Free License v3.0 afl-3.0 Apache license 2.0 apache-2.0 Artistic license 2.0 artistic-2.0 Boost Software License 1.0 bs1-1.0 BSD 2-clause "Simplified" ...
-1
votes
1answer
62 views

Can I commercially use a fixed source code distributed under GPL?

There is this source code on GitHub (a PHP class, around 200 lines of code) distributed under GPL license which has some bugs and is not useful to me unless those bugs are fixed. If I fix those bugs, ...
1
vote
2answers
92 views

Is it possible to create commercial software by studying the code of a github project with no license?

I'd like to know if what I'm telling is possible or not. I obviously know that's illegal to copy the code and add it to a commercial software. But I think it's not illegal to study the code so you ...
3
votes
1answer
77 views

Can commercial software be created with Tor license?

I'm not sure if commercial software can be created with the Tor license without previous permission of the Tor community: Here's its license: Tor license. In that license I don't see anything that ...
3
votes
1answer
200 views

Can I use PyQt if I make it open source and only charge customers for my time to customize the open source app for them?

I am planning to create custom made software for each customer. I will also be telling the customer that I shall be making it open source and they are simply paying me for my time to package things ...
-2
votes
1answer
100 views

Is a MySQL commercial license required when selling a PHP-website that is hosted on WAMP?

Do I have to pay a commercial MySQL license to install WAMP with my PHP-script on the localhost of a company, asking monthly fee for it from the company? (The PHP script is a modified version of an ...
1
vote
1answer
91 views

Open source crypto project liability

I'm working on a crypto wallet for a top 50 cryptocurrency. I'm part of the core team and we were discussing potential liability around the app we're building. The user always has their wallet seed ...
2
votes
1answer
108 views

Statistics on open source growth (or decline)?

I'm trying to find some data regarding general open source usage and adoption over time. My own impression is that usage and development of open source software is getting more and more common but i ...
4
votes
1answer
52 views

Do you have to specify dual licensing before releasing open source software?

I'm working on an open source project I'd like to release at some point. I am going to license it under the AGPL v3, but I'd like people to have the option to pay for private development which only ...
2
votes
2answers
108 views

Is it legal to release an old commercial software as free software?

A group of friends and I are discussing founding a startup where the products would be commercial software. One the most important aspects that in our opinion we should put in any legal agreement is ...
1
vote
1answer
118 views

What does Google have in return from developing Angular?

The other day I was thinking about Angular when the question arised: What does Google have in return from developing Angular? The same principle applies of course not only for Google, but jQuery, ...
4
votes
1answer
156 views

Can I deploy a docker-compose.yml that uses MySQL commercially?

As far as I know, I can sell to one of my clients a PHP web service that connects to a MySQL server that I host without making my PHP sources open source. This is because the PHP code only connects to ...
1
vote
1answer
118 views

Licensing and publicly hosting commercial software, but free for non-profit or personal use

I am developing a commercial PHP software which I will offer for free for non-profit, open source, personal usage and for self training and I want to make it open source but in the same time it is a ...
0
votes
1answer
52 views

Can I use a CC-BY-SA licensed image as part of my online course's cover (commercial use)?

I'm creating online course about coding with the Express JavaScript framework, whose site and logo are licensed under the CC-BY-SA license. Since my course is about Express, I want to use Express's ...
0
votes
1answer
26 views

How to release small part of my code as an opensource plugin to allow free reuse (including by myself at my work)

I am working with Unity3D on a commercial project, and have found that some vital part of working with social accounts is not implemented, namely - authorized API calls. I am almost done implementing ...
8
votes
1answer
118 views

Creative Commons license CC BY-SA doesn't work for commercial content?

I'm puzzled by the "share-alike" clause in Creative Commons license. This license allows free commercial use but "require[s] [] adaptations of the work to be released under the same or similar license ...
-2
votes
1answer
212 views

Can I (commercially) redistribute copies of software under GPLv3?

I've paid for a software under GPLv3. Can I redistribute it for free (on GitHub) or even (just for my knowledge) charge for it? With or without any changes.
-2
votes
1answer
57 views

if I include source code with my commercial software, how much will that hurt the height of its sales?

i have an unreleased product i believe to be of great commercial value due to its algorithms. in the future, i intend to do four things in this order: release the source of the software to customers ...
3
votes
1answer
71 views

Using CC BY-SA images in commercial print

I have created a custom set of playing cards and I want to use Wikimedia Commons pictures released as CC BY-SA 3.0 DE as illustration on the cards. Every card uses one picture. The pictures are not ...
7
votes
1answer
396 views

Using GPL licensed library over a service for non-GPL softwares

I want to use a GPL v2 licensed library(esper) for commercially distributed non-GPL softwares but I need to make sure non-GPL software not violate GPL license. Can I use this library indirectly using ...
1
vote
1answer
361 views

Can I modify and resell themes which are on WordPress official theme directory (100% GPL)?

According to WordPress Licensing & the GPL, themes on the official WordPress theme directory should be 100% GPL: If you wish to submit your creation to the free theme repository on WordPress....
3
votes
2answers
285 views

If some software states it is BSD-licensed, how can it be distributing itself with GPL/LGPL components?

For a specific example relating to my question, I offer VisIt. Per the licensing information for VisIt, it is stated that it is BSD-licensed. But, looking over the libraries used in VisIt, it can be ...
1
vote
1answer
198 views

Private license and Apache License Version 2.0 in one commercial product?

If I’m using an official cordova plugin licensed under Apache License Version 2.0 in my commercial product, am I allowed to sell it (the source code of my product to another party) under two different ...
2
votes
1answer
87 views

Is this an appropriate use of the GPL?

I'm currently producing an application for a client, where I'm writing all the source code myself from scratch. The client is paying me a one-off fee for development work. The plan is for the client ...
-3
votes
2answers
168 views

How to prevent users to jump to “premium” plan in a web-app

I want to know how can I prevent users to download the code from Git Hub for example, search in the code for a premium variable or something similar and change it to true, rebuild the project and boom,...
0
votes
1answer
298 views

Can I use django-ckeditor in commercial projects without buying a CKeditor license?

I want to use django-ckeditor in a commercial project. Django-ckeditor is licensed under the BSD 3-clause license, but in CKeditor's official website it says that I've to buy a license to use it in a ...
-1
votes
1answer
49 views

What is the license of the documentation at “https://git-scm.org/docs” [closed]

I would like to reuse some descriptions from https://git-scm.com/docs/ in my own Git instructions manual. This manual will be used commercially. I have found a license for the "Pro Git" book CC-By-NC-...