Am I looking at the right thing?

https://github.com/emdash-cms/emdash

> EmDash depends on Dynamic Workers to run secure sandboxed plugins. Dynamic Workers are currently only available on paid accounts. Upgrade your account (starting at $5/mo) or comment out the worker_loaders block of your wrangler.jsonc configuration file to disable plugins.

Seems like a pretty poor replacement for WordPress, which will run on pretty much whatever random system happens to be within eyesight.