CachyOS
CachyOS is a Linux distribution based on Arch Linux. It focuses on speed and security optimisations - the default Linux kernel is heavily optimised using the BORE (Burst-Oriented Response Enhancer) scheduler, while the desktop packages are compiled with LTO, x86-64-v3 and x86-64-v4, Zen 4 optimization, security flags and performance improvements.
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ChromeOS Flex
ChromeOS Flex, developed by Google, is a free and lightweight Linux distribution based on Gentoo-derived ChromeOS. Unlike ChromeOS which is designed specifically for Chromebook computers, ChromeOS Flex can be installed on most x86_64 devices with a AMD or Intel processors, offering a Chromebook-like experience.