Docker is also a company that sells 3 of these as a product.
What's interesting is that for those 3 there are often better versions. Docker Engine is not used in a number of popular examples – GCP for example uses their own engine if I remember correctly. There are other pluggable runtimes. The Docker desktop app isn't great, and is now expensive, compared to a number of cheaper or free or open source alternatives. And Docker Hub is basically just for free public publishing, as Docker registries are so commoditised.
I've always felt that the best bit of Docker is the file format and the UX around that. But that's not something Docker-the-company has managed to monetise.
What's interesting is that for those 3 there are often better versions. Docker Engine is not used in a number of popular examples – GCP for example uses their own engine if I remember correctly. There are other pluggable runtimes. The Docker desktop app isn't great, and is now expensive, compared to a number of cheaper or free or open source alternatives. And Docker Hub is basically just for free public publishing, as Docker registries are so commoditised.
I've always felt that the best bit of Docker is the file format and the UX around that. But that's not something Docker-the-company has managed to monetise.