What is AROS ? - a portable, improved open source reimplementation of Amiga OS 3.1. Currently available for: i386, x86_64bit, Amiga m68k, ARM (RaspberryPi) and Efika CHRP / SAM440 PPC hardware, running natively, and/or hosted inside Linux (i386, x86_64bit, PPC), Windows (i386), MacOS (i386), Android (ARM). (Nice, eh?)
What is AROS alive ? - a series of videos exploring various aspects of AROS.