postmarketOS is a Independent-family Linux distribution based on Alpine Linux. A real Linux distribution for smartphones and mobile devices based on lightweight Alpine Linux.
Strengths: Extends the life of discarded Android phones into usable pocket Linux computers; Choice of mobile UIs: Phosh (GNOME-based), Plasma Mobile, or Sxmo (gesture-based); Lightweight Alpine foundation. Trade-offs: Phone hardware features (cameras, modem calls) depend heavily on device port status.