[ddorian43]

Of what you mentioned, only backblaze is similar (object storage with S3-like API), all others are apples to oranges.

[Dylan16807]

You don't need very many terabytes to cover the labor cost of installing and maintaining an S3-compatible server program.

[ddorian43]

You need a very big cluster for it to be worth it though for non-backup use-cases when using HDDs.