Linked Questions

-3
votes
1answer
352 views

Can you commercialize your own GPL product? [duplicate]

I've been wanting to make my own open-source project under the GPL. However, I was thinking of making a paid "professional" version that adds features that are closed-source. Is this possible? Edit:...
-1
votes
1answer
114 views

Does the GPL/RPL Apply to me as Well? [duplicate]

I want to create a commercial application, but I want to make a significant portion of my back-end open source. It applies some really interesting math that I want people to learn from, but I don't ...
1
vote
1answer
58 views

GPL copyright owner copyleft [duplicate]

If a GPL owner decides to make their code close sourced, say to make a derivative work for themselves (maybe commercialize), what steps should they take? If they need to rewrite their code, what ...
2
votes
0answers
29 views

Do I own GPLv3 code that I wrote? [duplicate]

This is a hypothetical question, that has not happened, so please no advice. If I publish some code on GitHub with the GPLv3 license, then want to use that code in proprietary software that I will ...
28
votes
4answers
7k views

Can I use my own GPL'ed code in my closed source program?

Let's say that program A was made by me, with me being the sole copyright holder. If I license this program under the GPL-3.0, can I use that program in program B that is closed source?
10
votes
4answers
830 views

Red Hat acquires Ansible - why?

In October 2015, Red Hat acquired Ansible, the developer of the famous configuration management software Ansible, apparently for a price of about $100M. Ansible, the software, AFAIK is licensed fully ...
2
votes
1answer
823 views

Can I sell my project using GNU GPL v3?

At first, I always developed commercial projects only, so I bad know GNU licenses. Now, I want to make my library available for other developers. And maybe to find co-developers. So, I chosen GNU GPL ...
3
votes
2answers
193 views

Can I give the software gratis and charge for the source? (and still be FOSS ?)

A friend and I developed a software which we would like to be free as in freedom. We would like our software to be available to anyone for no money, but we would like to sell the source code to those ...
4
votes
2answers
182 views

Under what conditions can someone dual licence existing works?

When software is diffused under an open-source licence I imagine that a project becomes the "intellectual property" of the community. However, I'm not clear about this answer in that an author agrees ...
4
votes
2answers
134 views

Release GPL/Open version of project, still sell proprietary license?

Having witnessed projects such as LUFA, which are open source with the MIT license but still have a purchase button for a proprietary license of the toolbox (revoking the MIT License and offering ...
5
votes
1answer
88 views

Can I release a fork of an LGPL project under a commercial licence?

In the past I have made use of a third party project released under the LGPL licence. Recently the owner/creator of the project has archived the original repo and created a new version (seemingly ...
1
vote
1answer
77 views

GPL Software with “Premium” Features

As I understand GPL, your software can be sold for any amount you wish, but you must make the source code available to everyone without charge. I have noticed a trend where certain software released ...
1
vote
1answer
125 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 ...
0
votes
1answer
88 views

Trying to understand MIT, BSD and Apache 2.0 licenses and attribution with real examples

Trying to make sense on how MIT, BSD and Apache 2.0 licenses and attribution work, I've taken some real examples from GitHub. The open source software projects below are classified according to these ...
0
votes
2answers
101 views

Is Microsoft in compliance with MIT license for .Net Core?

I noticed that Microsoft claims to apply an MIT license to their .NET core code, which appears to contain a variance: Copyright (c) .NET Foundation and Contributors Whereas the opensource.org MIT ...

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