@emacsen
Thanks!

Here's a thread about it:
https://forums.puri.sm/t/the-search-for-a-floss-mobile-os-aug-2021/14520

I wonder whether you intended to have a section on the "Linux-based" OSes and then forgot it? 🙃 Or is that just because you think they're too far from being daily drivers?

In case you care about typos:
ASOP->AOSP
LibreM->Librem 5
Calx->Calyx