Here’s the list for LineageOS.

I’m pretty sure there’s still products like that. I bought a PinePhone once upon a time.

If it’s designed for Android, not a phone using desktop Linux, but you can on a custom ROM which is probably a variant of AOSP.

Also what are my hardware options with those.

Incredibly specific and restrictive, do your homework carefully. Pixels are usually (always?) good, which is ironic, while certian manufacturers like Samsung are right out.

I found a model that works secondhand and I’m as happy as a pig in shit with it, FYI.