Apps similar to KaOS include Lubuntu, which is free and open source. Other options are Raspberry Pi OS, CentOS, Haiku and Chrome OS. There's no shortage of Operating Systems like KaOS, with more than 100 alternatives for Linux, self-hosting, Mac, Windows and the web.
The unofficial successor of Antergos, RebornOS is an Arch-based distro that focuses on allowing the user to decide exactly how they want their system while making it easy for anyone to do so - both during installation and afterwards.
Knoppix is an operating system based on Debian designed to be run directly from a CD / DVD (Live CD) or a USB key (Live USB), one of the first of its kind for any operating system. When starting a program, it is loaded from the removable medium and decompressed into a RAM drive.
Serenity is a graphical 32-bit Unix-like operating system with 90s aesthetics and built for x86 systems.
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The AROS Research Operating System is a lightweight, efficient, and flexible desktop operating system, designed to help you make the most of your computer. It's an independent, portable and free project, aiming at being compatible with AmigaOS at the API level (like Wine...
CrunchBang++ is an open source and completely free [of cost (#!++ does include several of Debian’s non-free packages as well as the non-free repository)] computer operating system, designed as a continuation of the .
AmigaOS is the proprietary native operating system of the Amiga and AmigaOne personal computers, introduced with the launch of the first Amiga, the Amiga 1000, in 1985.
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ArchBang is a simple GNU/Linux rolling release distribution which provides you with a lightweight Arch Linux system combined with the Openbox Window Manager.
A Fast, friendly, open-source operating system, for newbies, geeks & DIY enthusiasts.
India
OpenIndiana is a robust enterprise operating system, based on the illumos kernel. It is open source, free to use, community developed, and suitable for servers and desktops.
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