Obarun is described as 'GNU/Linux operating system that relies on s6/66 init and service management suite. The goal of Obarun is to provide an alternative for people looking for more simplicity and transparency in maintaining their systems' and is a operating system in the os & utilities category. There are more than 50 alternatives to Obarun for a variety of platforms, including Linux, Self-Hosted, BSD, Windows and Mac apps. The best Obarun alternative is Linux Mint, which is both free and Open Source. Other great apps like Obarun are Debian, Fedora, Arch Linux and Tails.
Nix-based, non-systemd, highly configurable, not for the beginner.