Linked Questions

-3
votes
1answer
402 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
124 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
71 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 ...
1
vote
0answers
40 views

If the original author updates their program, is it now a modified work? [duplicate]

Lets say programmer Ed has made program foo and the program is licensed under the GPL license. If Ed updates his program, is that now a derivative or modified work? What if John contributes to ...
2
votes
0answers
30 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 ...
1
vote
0answers
28 views

Do I need to share source code with GPL/AGPL if I am the owner? [duplicate]

if I build something under GPL/AGPL license, am I obligated to share that code if I have users using this service event when I am the owner of the code?
28
votes
4answers
8k 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
878 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
985 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 ...
4
votes
2answers
229 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 ...
3
votes
2answers
200 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
149 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
198 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 ...
0
votes
1answer
245 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 ...
2
votes
1answer
69 views

Does GPL supersede legal contract?

If there is a statement in a legally binding contract between two parties that says that one party is going to retain all source code and is not required to provide source code as part of the contract,...

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