Ask HN: What are a few examples of developers tools which aren't control planes?

Read this twitter thread: https://twitter.com/fishmegs/status/1386442736153239553 which made me wonder about such tools:

> I’ve had a dev tools rant brewing in my head so long that I can’t even write it. TL;DR there is no control plane — products that promise such generally aren’t satisfying to users. Get crisp on where you snap into a toolchain and make THAT easy, or even — dare I say — delightful.