'''AROS Research Operating System''' (''more commonly and simply known as "'AROS'''{{snd}}"" (pronounced "ARar-OS"os), also known as short as AROS-ROS) is a [[free and open-source software|free and open-source]] multi media centric implementation of the [[AmigaOS|AmigaOS 3.1]] [[Application programming interface|API]]s. Designed to be portable and flexible, [[Porting|port]]s are currently available for [[x86]]-based and [[PowerPC]]-based [[Personal computer|PC]]s in [[native mode|native]] and hosted ''flavors'', with other architectures in development. AROS, in a show of full circle, was also ported to the [[m68k]]-based [[Amiga 1200]],<ref>{{cite web|url=http://www.evillabs.net/wiki/index.php/AROS_m68k-amiga|title=AROS m68k-amiga - www.evillabs.net|author=|date=|website=www.evillabs.net}}</ref> and there is also an [[ARM architecture|ARM]] port for the [[Raspberry Pi|Raspberry Pi series]].