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Questions tagged [commercial]

Commercial activity is anything to make money. This tag is for questions about making money with Open Source / Free Software, or other interaction between open projects and commercial activity. Warning: Open Source / Free Software can be commercial as well. Do not use this tag to mean not-open-source. Use the [proprietary] or [closed-source] tags instead.

10 questions from the last 365 days
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7 votes
1 answer
2k views

How technically and legally sell FOSS software with commercial license?

I found this question here: Can I sell personal/commercial licenses for an Open Source product? With answer about QT library that sell commercial license to companies. I want to do the same, I want to ...
jcubic's user avatar
  • 215
3 votes
1 answer
99 views

MPL for core C++ and MIT for python interface and others: is this sound?

I'm developing a high-performance algorithm library for robotics applications. The implementation consists of C++ core algorithms with Python bindings and YAML configuration support. My objective is ...
orematasaburo's user avatar
3 votes
2 answers
833 views

Does this project disallow commercial use while available with dual licensing under GPL3 which allows it?

Javascript plugin https://www.lightgalleryjs.com/license/ https://github.com/sachinchoolur/lightGallery/blob/master/LICENSE Is dual licensed under GPL3. If I choose to pick the GPL3 license that is ...
nikos's user avatar
  • 31
7 votes
0 answers
87 views

What was Winning Strategies, Inc.?

Core libraries on many Linux and BSD based systems include copyright notices similar to this: Copyright (c) 1993 Winning Strategies, Inc. All rights reserved. Redistribution and use in source and ...
jpa's user avatar
  • 864
7 votes
1 answer
1k views

Reimplementation of UI/UX ideas of commercial software in open source (MIT)

What are the legal implications of making an open source implementation (under MIT license) of commercial (closed source) software ideas in terms of UI/UX, logic of interface and general workflow, and ...
georgtree's user avatar
3 votes
1 answer
180 views

Can a software vendor prohibit use of their open source / community edition software (GPLv3) after subscribing to their Enterprise license?

A software vendor who offers a product under both an open source (under GPLv3) license as well as an Enterprise license has the following terms in their Enterprise agreement: Subscriber may not, and ...
Marko's user avatar
  • 133
3 votes
1 answer
100 views

How can I license a project to be as "open" as possible, but deter commercial machine learning models from being trained on outputs?

Are there any licenses or strategies (dual license, etc), that make it difficult to commercialize machine learning (ML) models made from the outputs of a software library? For example this discussion ...
W310x79's user avatar
  • 31
6 votes
5 answers
5k views

Does Licensing open-source prevent me from selling the product?

In the last question I asked, I found out that open-source licenses are always letting people use your code/product commercially. This means that they can technically sell the product. Does this mean ...
Kid A's user avatar
  • 71
3 votes
1 answer
393 views

"Sharing without ATTRIBUTION" when selling 3D printed objects (not the STL source files)

Several 3D models can be found on printables.com that are free for Commercial Use. Some examples are: Printable Black Pearl published under Creative Commons Attribution 4.0 International License Pot ...
PC.'s user avatar
  • 151
23 votes
5 answers
3k views

How to fairly distribute a sum of money among the most relevant FLOSS projects to a codebase?

I'm facing a dilemma. As a independent software developer and vendor, I code and sell the product of my work making some profit out of it. It's not much, it won't make me rich, but it's enough to make ...
denydias's user avatar
  • 341