NixOS
NixOS is an independently developed GNU/Linux distribution that aims to improve the state of the art in system configuration management. In NixOS, the entire operating system, including the kernel, applications, system packages and configuration files, are built by the Nix package manager.
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AV Linux
AV Linux is a versatile, Debian-based distribution featuring a large collection of audio and video production software. Additionally, it also includes a custom kernel with IRQ threading enabled for low-latency audio performance.