Linked Questions

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?
11
votes
4answers
895 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 ...
5
votes
1answer
219 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 ...
4
votes
2answers
150 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 ...
4
votes
2answers
239 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
203 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 ...
2
votes
1answer
71 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,...
2
votes
1answer
1k 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 ...
2
votes
1answer
31 views

MIT license in R packages

According to the text of the MIT license: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. However, many R packages, ...
2
votes
1answer
72 views

Why do some softwares not include the full license?

I have been reading the license file from some libraries so I can figure out what needs to be included in my own app. I notice a lot of software includes only a summary of the license, and not a full ...
2
votes
1answer
85 views

Are there possible legal issues with implementing the "pro" features of a paid product in that product's GPL version?

Suppose Product X, produced by for-profit Company X, is released in two versions, a GPL "community" version with full source available and a paid commercial version for which source is not ...
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
1answer
113 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
46 views

Is an app required to be open sourced when the app is using a GPL library created by the organization that created the app?

Let’s say an organization writes a JavaScript library under the GPL license. Then let’s say the organization writes a web app which uses several MIT licensed libraries along with this GPL library ...
1
vote
1answer
77 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
1answer
80 views

Can I dual license my software that is on Github with a GPLv3 license?

To my understanding, as the maker of the software, I have the right to dual licensing the software as I wish, be it both an open source license and a proprietary closed license at the same time. ...
1
vote
1answer
52 views

Can I write closed source software linked to a GPL library if I am the copyright holder?

Sorry for the rather strange question, I made a GPL library and I got a project I am making with it for someone else (alpha testing). The client wants the software that links to my library to be ...
1
vote
1answer
216 views

Can I use GPL-licensed services embedded in an iframe from a commercial application?

I want to try a WYSIWYG editor in my closed-source application and I'm wondering if what I want to do is legal. I create an OSS project (GPL license) that contains the editor of my choice I deploy it ...
1
vote
2answers
286 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 ...
1
vote
1answer
165 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 ...
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 ...
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?
0
votes
1answer
56 views

Can I delete or recreate my repository freely if it have code under GPLv3?

I have a public repository on GitHub with project and source code under GPLv3. Can I freely drop repository and close project if I don't want to develop it. And after some years maybe I want publish ...
0
votes
1answer
306 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 ...
-1
votes
1answer
130 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 ...
-3
votes
1answer
405 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:...