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48 votes
Accepted

GPLv3-licensed project on Github seems to try to restrict commercial use

The second paragraph is an invitation for people who don't want to follow the terms of the GPL (e.g. who want to incorporate it into a larger closed-source work, or make closed-source modifications) ...
Sneftel's user avatar
  • 1,938
45 votes

Do I really have to Open Source my project?

You need to know two things about the GPL: The GPL is a license which requires that when you distribute binaries, you distribute the source code with them (binaries being the things you can directly ...
user19642323's user avatar
28 votes

Do I really have to Open Source my project?

It depends on exactly how you are "using" the GPL code. If you have copied and modified the source code then you can only distribute copies under the GPL. If you have invoked a GPL program ...
Paul Johnson's user avatar
  • 13.2k
23 votes

Copyright in copyleft licence?

No. GPL works are copyrighted (as are most creative works basically everywhere in the world, as soon as they're created, whether or not the author does anything about it), and copyright is what gives ...
hobbs's user avatar
  • 701
19 votes

Copyright in copyleft licence?

GPL does not purport that there is no copyright in a work to which the license applies: the works are still in copyright. It relies on the notion of copyright (which it redefines to include "similar ...
user6726's user avatar
  • 215k
16 votes

How long does a GPL licencee have to respond to a source code request before it becomes a GPL violation?

The GPL does not explicitly specify a time within which the source code must be provided, which probably means a "reasonable time" is allowed. What is "reasonable" would eventually ...
David Siegel's user avatar
12 votes

Do I really have to Open Source my project?

What you have been told is incorrect. You are in no way required to release your product under an open source license, nor to publish it in any form. If you do "convey" a work that is under ...
David Siegel's user avatar
12 votes
Accepted

Who can publish GPLv4?

In practice, it is abundantly clear to which entity the “Free Software Foundation” refers, even if the FSF were to change its name, even if there are unaffiliated organizations with the same name. ...
amon's user avatar
  • 23.9k
9 votes

GPLv3-licensed project on Github seems to try to restrict commercial use

To my understanding software under GPLv3 can be used commercially (e.g. as tool for company-internal calculations) with no restriction. No, it can't be used commercially with no restriction. It must ...
Jörg W Mittag's user avatar
8 votes
Accepted

Can open source software licenses be enforced in small claims court?

A small claims court would usually be a poor choice of court to get the results you seek, although they are not entirely without jurisdiction over these cases. Most small claims courts in the U.S. (...
ohwilleke's user avatar
  • 206k
6 votes

Can I bundle Apache 2.0 licensed components in a GPL 3 licensed project?

The Free Software Foundation considers that the Apache 2.0 license is compatible with the GPL 3.0: This is a free software license, compatible with version 3 of the GNU GPL. But not compatible with ...
Philippe Ombredanne's user avatar
6 votes

Are all GPL Licensed projects free to use for commercial use even if they appear to be paid content?

They are GPL licensed. Each WordPress file contains either a licence.txt or readme.txt file that clearly states they are GPLv2 or higher. As such they are free to redistribute the files as they wish. ...
GPL Vault's user avatar
6 votes
Accepted

Can I use a GPL in a closed-source program by having a very large download file and a very small download speed?

No. The GPL does not say 'pretend to make source code available'. The means by which the source code is made available must be equivalent to the means by which the compiled program is made available. ...
Patrick Conheady's user avatar
6 votes
Accepted

Enforcing GPL without copyright

There are now 2 works. An original, abandoned work, and a new, derivative work. The original creator owns the copyright over the original, and the new person owns copyright over the derivative he ...
Shazamo Morebucks's user avatar
6 votes
Accepted

Is it legal for manufacturers to lock bootloaders on Android phones?

The Linux kernel is licensed under version 2 of the Gnu General Public License. You can demand the source code they used to build the kernel, but the license doesn't guarantee that you can change and ...
David Thornley's user avatar
6 votes
Accepted

Does AGPL 3 requeired to give free services

Yes, commercial use is allowed for the AGPLv3 license. You can charge for your use of the software so long as you provide a way for the public to download the source code in its entirety.
Ron Beyer's user avatar
  • 9,235
6 votes

Do I really have to Open Source my project?

For your case specifically, the API for that library is licensed under MIT, not GPL. MIT is non-viral, so as long as you only call into the API for that library, you do not need to make your code open-...
BlueRaja - Danny Pflughoeft's user avatar
6 votes
Accepted

Enforcing the GPL license on software

This kind of piracy is unfortunately common. When your copyright has been violated, your available response is to sue the infringer. Yes, this costs money, and yes, many infringers get away with it. ...
amon's user avatar
  • 23.9k
5 votes
Accepted

Does Github's License Grant clause in the ToS make one legally liable?

As far as I can tell, whenever GitHub redistributes code, it adheres to all of the requirements of the GPL/BSD etc. For example, it never gives away code without including the license text, and it ...
K-C's user avatar
  • 4,024
5 votes
Accepted

What are the rules for selling my own software that includes other GPLv2 software

If your own software includes software covered by the GPLv2 (for example by copying source code, or by linking dynamically) then your own software is also covered by the GPLv2, and you will have to ...
sleske's user avatar
  • 8,075
5 votes

Is it legal to rewrite a Java (OpenJDK) library into another programming language under GPL?

The GPL that covers the OpenJDK certainly allows you to write and distribute your own Java implementation. On that point, your reading is absolutely correct. However, if that implementation is a ...
apsillers's user avatar
  • 3,349
5 votes
Accepted

Is it a GPLv3 violation for a project to charge a fee for downloading binaries?

The GPL does not forbid you from charging money for software, nor does it require you to provide source code to the general public. What the GPL requires is that your software be free software, with "...
cpast's user avatar
  • 23.8k
5 votes
Accepted

Is there a loophole in the GPL allowing binary-only distribution?

There is no loophole because a work released in object code form only — without the Corresponding Source — is not released under GPLv3, even if you say it is. GPLv3 only requires them to also ...
Greendrake's user avatar
5 votes

How to enforce GPL if the copyright holder doesn't have access to the source code of violating software?

If an infringement suit is filed, the plaintiff(s) would have rights of discovery. They could subpoena the source code in such a case for comparison. They could take the depositions of EvilCorp's ...
David Siegel's user avatar
5 votes
Accepted

Does utilizing "copyleft" programs like git and gcc imply that the output has to be under the same license?

My understanding is that here "derived from the program" means "created by modifying the source code of the program" and not "created by running the program". Certainly that is the way all users that ...
David Siegel's user avatar
5 votes

Does AGPL apply to products created by the software, or just the software?

OK, seems I was right to begin with, but after building some work with this I had to be sure. The problem seems to step from a lot of not-lawyers overinterpreting the reach and applicability of ...
Michael Macha's user avatar
4 votes
Accepted

What are the potential legal consequences for a company that has GPL violations?

A person that fails to comply with a copyright licence does not have a licence to use the copyrighted material. The owner of the copyright can take all the normal actions for copyright violation ...
Dale M's user avatar
  • 205k
4 votes
Accepted

Developing software under GPLv3 and selling the source code

The GPL doesn’t require you to distribute the software to anyone. The only requirement to distribute something is that if you do distribute the software to someone as a binary, you must also ...
cpast's user avatar
  • 23.8k
4 votes

Can I use GPLv3 license in my project even if I am below 18 years old

The only issue relevant to your age is the (ir)revocability of the license. GPLv3 purports to be an irrevocable license. To be really irrevocable, the license would need to grant certain rights in ...
user6726's user avatar
  • 215k

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