Forgejo is changing its license to a Copyleft license. This blog post will try to bring clarity about the impact to you, explain the motivation behind this change and answer some questions you might have.
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Developers who choose to publish their work under a copyleft license are excluded from participating in software that is published under a permissive license. That is at the opposite of the core values of the Forgejo project and in June 2023 it was decided to also accept copylefted contributions. A year later, in August 2024, the first pull request to take advantage of this opportunity was proposed and merged.
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Forgejo versions starting from v9.0 are now released under the GPL v3+ and earlier Forgejo versions, including v8.0 and v7.0 patch releases remain under the MIT license.
always a pleasure to see big projects going full copyleft amidst the recent influx of projects sadly going source-available
this is the main reason not to sign a CLA (edit: both the aforementioned projects seem to adopt CLAs, though it seems that they aren’t hostile and are especially pro-copyleft. see this amazing correction by @princessnorah@lemmy.blahaj.zone for context). you should not let a third-party use your copyright to restrict user freedom in the future because they swear “they ❤️ open source” now, and would never use your code to only their own benefit.
Except both of the projects you just linked too have CLAs, which they updated on switching to AGPLv3. Both use them as a way to offer dual-licensing, so they can charge companies for an AGPL-exception by selling them a proprietary-licensed version, which then supports the FOSS-development. They both were also only able to change to AGPL because of already existing CLAs. At least in Element’s case though, they created a two-way commitment in their CLA:
Here’s the specific text from the CLA:
I personally consider that a fairly reasonable term. Especially because they specified an OSI-approved license. Element are always going to be bound to that now. This is like the copyleft of contributor license agreements.
whoa! thanks a lot! that’s my mistake.
thanks for the awesome info, I should’ve at least check the repo of the individual projects first (only did so with Forgejo).
I totally agree with you, and do think that it is possible to have positive and harmless CLAs. though I do think we should always take a step back and not assume that a project’s CLA will be in favor of our copyright, with the case being more the exception than the norm, unfortunately.
in the end, I will always be happy that a copyright holder wants to be able to reliably make money with copyleft software, but I can never really face a CLA without at least initial hostility anymore. you may say I have prejudice against CLAs lol
Yeah honestly these feelings are so bloody valid after the way they’ve been used lately. It’s always good to be sure of these things.
Maybe a more appropriate practice is to only engage with a Contributor License Agreement if the repository one contributes to is already available with the GNU AGPL or one is actually in control of some money the person one contracts with will gain due to one’s changes. For example:
If I have already fixed a software issue, made it clear what license should be used with my change, and made it available to the public, I wouldn’t necessarily be against engaging in a CLA (though I might ask to be paid to do so since I wouldn’t normally go out of my way to manually sign things, and I do value my time).
FYI I can navigate to https://blog.hansenpartnership.com/why-microsoft-is-a-good-steward-for-github/ from https://drewdevault.com/2018/10/05/Dont-sign-a-CLA.html (using https://blog.hansenpartnership.com/gpl-as-the-best-licence-governance-and-philosophy/ for an intermediary step), so I’m a little suspicious about the author’s thoughts on these matters. I also didn’t find any useful information about the GNU Affero General Public License from the same author, and I consider the GNU AGPL to be important based on https://ploum.net/2024-07-01-opensource_sustainability.html and https://lemmy.world/post/16602135
Would you not consider signing a CLA (without remuneration) if it binds a project to releasing your code under an OSI license? The only way they could have done better I think is by specifying AGPL instead. I’m not trying to argue that all CLAs are good here, but I don’t think that when they achieve the goals of the free software movement, they should be treated with suspicion or derision.
Honestly, all of the recent light shone on CLAs is a great thing. But there are still valid reasons to maintain a unified copyright for a project. None of these projects would have been able to move to AGPL without having used a CLA for that purpose. It also allows enforcement of that license via things like litigation, because you can have one entity on the docket, instead of a thousand contributors all defending their copyright.
I think the correct course of action isn’t to avoid signing one, but to force projects to commit to the social contract of open source in writing. I think there’s also a discussion that no one has earnestly talked about. A contributor license agreement is a contract between two parties, and under contract laws both parties must materially benefit. “I will get x, and you will get y”. This is known as consideration, and courts will nullify contracts that only benefit one of the parties. The only consideration I think there is to be found in most of the CLAs that have been brought up lately, is basically “your code will be merged into the project and released under it”. They don’t specify the continuation of open source, but it’s heavily implied by the aforementioned social contract. So when someone like RHEL goes and closes their source, they’ve essentially changed that contract to “you will sign over your copyright to us, and we will exploit your labour for profit”. That is not consideration, and it calls into question the validity of every single CLA signed. I genuinely think there’s grounds for every RHEL contributor that signed one to form a class and sue, and I would love to see FSF or EFF organising and supporting that sort of effort.
Back to Element for a second though, as far as I can see, their new CLA is a valid contract, because it gives a right to the contributor, that their code will always be released under an OSI license. So if a successful suit was brought against someone like RHEL, or Hashicorp, we could see other projects scramble to repeat Element here. That would be, in my opinion, a very good thing for the free software movement.
I would probably be most upset if a program had its license changed to be “permissive” like the Expat License. I might accept making a reasonable number of contracts to provide a “proprietary” license that doesn’t give any new person (or corporation) permission to distribute software, but a “permissive” license allows people to work against the Free Software Movement without any oversight.
That being said, I don’t think I would be satisfied if a contract specified that “an OSI license” will be used: I would prefer for a specific license to be used rather than just one of a class of licenses. However, if an appropriate license is already being used, I wouldn’t have to sign anything to protect myself!
In general, I’m probably against changing the license of any software: changing a license seems like a lot of work that can probably be better spent elsewhere, and I consider it to be unlikely that any GPL license will need to have a new version anytime soon (they might, and the v3 versions are clearly better to use than any preexisting version, but they might also change for the worse if the FSF changes for the worse), and the GNU AGPLv3 clearly reflects the present state of the art of licensing (so using any other license that is compatible with it would strike me as strange). If I actually had a reason to study any source code that wasn’t available with the GNU AGPLv3 or the GNU GPLv3, I would probably be better off studying the requirements of people who use that software and making my own version with a license I prefer: that way I’d provide more certainty that my changes are available with an appropriate license.
Changing the license of existing projects is clearly useful sometimes, but adapting proprietary programs for use with more open systems hasn’t been very useful to me so far. For example, I use LibreOffice rather than trying to get Microsoft Word to work with my computer.
There might be some people who argue that any influence of a GPL license will make their business model less profitable, but if that’s the case we’re already dealing with business, so I might as well receive my fair share of money and influence from the business (or withhold my participation entirely, if that would be less harmful).
Just to be clear, I’d avoid studying source code only available with the GNU Lesser GPL unless things change.
FYI, I’m discussing “studying” instead of “changing”, since avoiding even looking at source code of questionable provenance might help protect me from accusations of plagiarism. If someone exploits a computer system to copy source code without permission and shares it with me, and then I make a similar program, the copyright holders whose program I copied might have a justified reason to complain. However, there is less chance of that if I study people’s public messages or even compare the behavior of one program to another, and if I don’t study a program, I probably can’t change it either.
I’ll note that, despite what I’ve written,
yast2lets you see the license of packages before installing them), so I’m more likely to want to contribute to programs that are compatible with a GPL license.FYI, “nominal consideration” is very likely sufficient to establish a contract (“contracts in the United States have sometimes have had one party pass nominal amounts of consideration, typically citing $1”), and a contract is probably hard to neutralize in general due to things like mutual drafting clauses and savings clauses.