Pop!_OS
Pop!_OS is an Ubuntu-based Linux distribution featuring its own GNOME-based desktop environment called COSMIC. It is designed with productivity in mind; it has fluid windows, search navigation via the Super key, workspaces that can hide clutter, and efficient auto-tiling of windows.
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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.