It's open-source: https://git.sr.ht/~sirodoht/mataroa

Nice! $9 for annual services on top of a well constructed platform you can also self host is a really aim-for-the-moon commitment. I hope mataroa finds phenomenal success with their business.

There’s always Hugo, Jekyll, Zola, right?

True. Much like Dropbox, the tooling exists beforehand. It's nice when a company brings it altogether, maintains the expert knowledgebase, and creates the process to be simple (including setup).

that is first thing popped to mind as well.