Not yet, it is in a pretty early state:

> Most drivers don't work so you can't make phone calls or use the WiFi.

https://ollieparanoid.github.io/post/postmarketOS/#prototype

EDIT: SMS also do not work. In other words, what works is the touchscreen with Weston so far. But the underlying tooling (pmbootstrap) is pretty far, so that's why I have released it now.

Thanks.

I still think tgis project has a huge potential.

UBports has taken over Canonical's Ubuntu Touch. They have an image that works on the nexus 5 https://devices.ubports.com/#/hammerhead