And you can get it on every distribution! You can install Nix on virtually all Linux distributions (IIRC Fedora Silverblue is the exception due to read-only /) and macOS.

Of course, you will lose some benefits, such as the NixOS module system. But set up Nix and you have access to packages in nixpkgs and nix-shell (basically virtual environments with any package). Add home-manager and you can set up your user environment declaratively.