{
  description = "My OS config";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    nixpkgs-2405.url = "github:nixos/nixpkgs/nixos-24.05";

    home.url = "github:nix-community/home-manager";
    home.inputs.nixpkgs.follows = "nixpkgs";

    firefox-gnome-theme = { url = "github:rafaelmardojai/firefox-gnome-theme/v133"; flake = false; };
    firefox-macos-theme = {url = "github:AdamXweb/WhiteSurFirefoxThemeMacOS"; flake = false; };
    firefox-addons = { url = "gitlab:rycee/nur-expressions?dir=pkgs/firefox-addons"; inputs.nixpkgs.follows = "nixpkgs"; };

    nur.url = "github:nix-community/NUR";
    mac-app-util.url = "github:hraban/mac-app-util";
  };

  outputs = { self, nixpkgs, home, firefox-gnome-theme, firefox-addons, nur, nix-darwin, firefox-macos-theme, mac-app-util, nixpkgs-2405 }@inputs: {
    nixosConfigurations.iota = nixpkgs.lib.nixosSystem {
      system = "x86_64-linux";
      modules = [
        home.nixosModules.home-manager
        {
          imports = [
              ./nixos.nix
              ./hardware-configuration/iota.nix
              {_module.args = {inherit inputs;};}
          ];
          home-manager.users.steph = { imports = [ ./home.nix ./platforms/linux/home.nix ]; };
          home-manager.extraSpecialArgs = { inherit inputs ; os = "linux"; };
        }
      ];
    };
    nixosConfigurations.tau = nixpkgs.lib.nixosSystem {
      system = "x86_64-linux";
      modules = [
        home.nixosModules.home-manager
        {
          imports = [
              ./nixos.nix
              ./hardware-configuration/tau.nix
              {_module.args = {inherit inputs;};}
          ];
          home-manager.users.steph = { imports = [ ./home.nix ./platforms/linux/home.nix ]; };
          home-manager.extraSpecialArgs = { inherit inputs ; os = "linux"; };
        }
      ];
    };
    homeConfigurations.stephans = home.lib.homeManagerConfiguration rec {
      pkgs = nixpkgs.legacyPackages."aarch64-darwin";
      extraSpecialArgs = { inherit inputs ; os = "darwin"; };
      modules = [ 
        ./home.nix 
        ./platforms/darwin/home.nix 
        mac-app-util.homeManagerModules.default 
      ];
    };
  
  };
}