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NixOS is the endgame of distrohopping - Joshua Blais
(joshblais.com)
A community for everything relating to the GNU/Linux operating system (except the memes!)
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Original icon base courtesy of lewing@isc.tamu.edu and The GIMP
I believe Guix System (or all Nix/Guix derivates) is the closest one. Otherwise I would say Yocto (not really a distro), Gentoo and all the container based distos (like openSUSE Micro).