[Sylos]

...why not just regular Ubuntu?

Or well, any lightweight Linux distro, really.

There's also this, in case that comes closer to what you see as ChromeOS competitor: https://cublinux.com/

[pix64]

I don't want to use the terminal on a phone

[Sylos]

ChromeOS isn't on phones, is it? Ubuntu also doesn't really require terminal usage either way...