Isn't that the "open core" model? Frankly, I encounter many projects that claim to be open source, based on the license, that sell a cloud version while having

Isn't that the "open core" model? Frankly, I encounter many projects that claim to be open source, based on the license, that sell a cloud version while having difficult or impossible to install/update/maintain community versions. And then there is the old gimmick where the community version is broken, but the cloud version isn't (presumably because the developers know how to fix what's broken).