Apps similar to AmigaOS include Linux Mint, which is free and open source. Other options are Ubuntu, Debian, Fedora and Arch Linux. There's no shortage of Operating Systems like AmigaOS, with more than 100 alternatives for Linux, self-hosting, Windows, Mac and the web.
Superb Mini Server (SMS) is a Slackware-based server distribution with web, DNS, DHCP, file, print and fax servers, iptables firewall, mail server with spam filter and anti-virus scanner, and BitTorrent station.
The AmigaOS look and feel, though still largely based on the earlier 3.1 release was revised somewhat, with an improved user interface based on ReAction, improved icon rendering and official support for true color backdrops.
Germany
EU
AriOS is an easy-to-use operating system based on Ubuntu. AriOS comes with a unique and optimized interface as well as many extra applications, multimedia codecs, flash and java plugins, and many tweaks! AriOS is not just Ubuntu+extra programs. It has been carefully desig.
Musix, a GNU+Linux distribution based on Knoppix, with special emphasis on audio production.
BLAG is a single-cd distro with everything desktop users "expect" from a desktop, plus a collection of nice server apps.
United Kingdom
Hanthana is a Linux based operating system and a Fedora remix suitable for desktop and laptop users. Hanthana comes to you in the form of a Live CD for regular PC (i686 architecture) systems.
The Friend Unifying Platform is a powerful open source framework that will allow developers to decouple their applications from technology silos. It will empower developers to swiftly deploy on and integrate with Ethereum and other decentralised technologies in a new blockchain...
ZevenOS is an Ubuntu -based GNU/Linux distribution with focus on providing a fast and easy-to-use system with BeOS-like user interface and support for older hardware.
Sourcemage is a source-based GNU/Linux distribution based on a Sorcery metaphor of 'casting' and 'dispelling' programs, which we refer to as 'spells'.
United States
RetroBSD is a port of 2.11BSD Unix intended for embedded systems with fixed memory mapping. The current target is Microchip PIC32 microcontroller with 128 kbytes of RAM and 512 kbytes of Flash.
