{
  self,
  agenix,
  disko,
  home-manager,
  homepage,
  lanzaboote,
  nixos-hardware,
  nixos-generators,
  nixpkgs,
  ...
}@inputs:
let
  # create a new instance allowing some unfree packages
  nixpkgsx86 = import nixpkgs {
    system = "x86_64-linux";
    config.allowUnfreePredicate =
      pkg:
      builtins.elem (nixpkgs.lib.getName pkg) [
        "aspell-dict-en-science"
        "brgenml1lpr"
        "saleae-logic-2"
        "spotify"
      ];
  };
  nixosSystem = nixpkgs.lib.nixosSystem;
  baseModule =
    { lib, ... }:
    {
      _module.args.inputs = inputs;
      imports = [
        inputs.agenix.nixosModules.age
        inputs.disko.nixosModules.disko
        inputs.home-manager.nixosModules.home-manager
        (
          { pkgs, ... }:
          {
            dadada.homepage.package = homepage;
            dadada.pkgs = inputs.self.packages.${pkgs.system};
            dadada.inputs = inputs // {
              dadada = inputs.self;
            };
          }
        )
        inputs.lanzaboote.nixosModules.lanzaboote
      ]
      ++ (lib.attrValues inputs.self.nixosModules);
    };
  homeModule = ./modules/profiles/home.nix;
in
{
  stolas = nixosSystem {
    modules = [
      { nixpkgs.pkgs = nixpkgsx86; }
      baseModule
      nixos-hardware.nixosModules.framework-amd-ai-300-series
      homeModule
      ./stolas
    ];
  };

  gorgon = nixosSystem {
    modules = [
      { nixpkgs.pkgs = nixpkgsx86; }
      baseModule
      nixos-hardware.nixosModules.lenovo-thinkpad-t14s-amd-gen1
      homeModule
      ./gorgon/configuration.nix
    ];
  };

  surgat = nixosSystem {
    modules = [
      { nixpkgs.pkgs = nixpkgsx86; }
      baseModule
      ./surgat/configuration.nix
    ];
  };

  installer = nixosSystem {
    modules = [
      nixos-generators.nixosModules.install-iso
      inputs.self.nixosModules.admin
      (
        { lib, ... }:
        {
          nixpkgs.pkgs = nixpkgs.legacyPackages."x86_64-linux";
          isoImage.isoName = lib.mkForce "dadada-nixos-installer.iso";
          networking.tempAddresses = "disabled";
          dadada.admin.enable = true;
          documentation.enable = true;
          documentation.nixos.enable = true;
          i18n.defaultLocale = "en_US.UTF-8";
          console = {
            font = "Lat2-Terminus16";
            keyMap = "us";
          };
        }
      )
    ];
  };

  ninurta = nixosSystem {
    modules = [
      { nixpkgs.pkgs = nixpkgsx86; }
      baseModule
      ./ninurta/configuration.nix
    ];
  };
}