AWS never offered MongoDB as a managed service, or used any of their server software when it was licensed under APLv3, or SSPLv1.
However, we have contributed patches to MongoDB even after their license change to improve its performance on Graviton processors. Because that's what's good for customers, and MongoDB is an important customer and partner.
AGPLv3 gives all the permissions needed to offer software as a manged service, just like every other FOSS license does. Unfortunately, in my personal opinion, the license has been co-opted by companies that do not care about Software Freedom, and rather hope that companies fear the license so they choose an alternative commercial agreement [1]. I don't think that's good for the community.
[1] https://sfconservancy.org/blog/2020/jan/06/copyleft-equality...
Does Amazon contribute funding back to the software projects they offer as a service?
Does Amazon contribute code changes back to the software projects they modified when offering them as a service?
Each use of AGPLv3 licensed software has to be reviewed to ensure that the obligations of the license can be and will be met (and also screen for cases where it is known that the vendor of software does not prefer a company like Amazon import the software under a FOSS license). Today we use AGPLv3 licensed software internally, and include AGPLv3 licensed software in Amazon Linux (Ghostscript, in particular).
> Does Amazon contribute funding back to the software projects they offer as a service?
Yes, in varying ways. For example, it is not easy to provide "funding" for something like Apache Kafka. You need to have people working on the upstream.
> Does Amazon contribute code changes back to the software projects they modified when offering them as a service?
Yes, but not all changes are appropriate for upstream.
> Their proprietary license protecting their code set competitors and intentional clones back days, weeks or months ... years ago.
- benologist, https://news.ycombinator.com/item?id=17454032
If AWS decides to copy your product, going closed-source or source-available just means they have to copy it from design docs or protocol specs. That's more friction than being able to reuse code outright, but it's not going to stop them.
