{
  inputs = {
    flake-parts.url = "github:hercules-ci/flake-parts";
    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
    nextcloud = {
      url = "github:onny/nixos-nextcloud-testumgebung";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    gtrackmap = {
      url = "github:gtrackmap/gtrackmap";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    lanzaboote.url = "github:nix-community/lanzaboote";
    nixos-hardware.url = "github:NixOS/nixos-hardware/master";
    auto-cpufreq = {
      url = "github:AdnanHodzic/auto-cpufreq";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    home-manager = {
      url = "github:nix-community/home-manager/release-24.11";
      inputs = {
        nixpkgs.follows = "nixpkgs";
      };
    };
    commander-nvim = {
      url = "github:FeiyouG/commander.nvim";
      flake = false;
    };
    vimpeccable = {
      url = "github:svermeulen/vimpeccable";
      flake = false;
    };
    windline-nvim = {
      url = "github:windwp/windline.nvim";
      flake = false;
    };
    gen-nvim = {
      url = "github:David-Kunz/gen.nvim";
      flake = false;
    };
    ketchup = {
      url = "github:repomaa/ketchup";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    workout-sync = {
      url = "sourcehut:~repomaa/workout-sync";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    hastebin = {
      url = "sourcehut:~repomaa/hastebin";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    ksoloti-pr.url = "github:repomaa/nixpkgs/pkg/ksoloti";
    agenix = {
      url = "github:ryantm/agenix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    dnote = {
      url = "github:dnote/dnote";
      flake = false;
    };
    colmena = {
      url = "github:zhaofengli/colmena";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    syntax-renderer = {
      url = "sourcehut:~repomaa/syntax-renderer";
      flake = false;
    };
  };
  outputs = { flake-parts, agenix, nixpkgs, self, colmena, ... }@inputs:
    flake-parts.lib.mkFlake { inherit inputs; } (
      let
        ssh.publicKeys.yubikey = "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBLIUkESu5NnBi1M0+ZjYrkp6/rIFuwc3aguspf98jmOydNce6l65cnS3GRzc9oWx4lu11ahi87ZuE+pYV+gaHm4=";
        specialArgs = { inherit inputs ssh self; };
        inherit (nixpkgs) lib;
      in
      {
        systems = [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ];
        perSystem = { pkgs, system, ... }: {
          devShells.default = pkgs.mkShell {
            packages = with pkgs; [
              agenix.packages.${system}.default
              colmena.packages.${system}.colmena
              colmena.packages.${system}.manual
              (pkgs.writeShellScriptBin "build" ''
                colmena --experimental-flake-eval build --keep-result "$@"
              '')
              (pkgs.writeShellScriptBin "apply" ''
                colmena --experimental-flake-eval apply --keep-result "$@"
              '')
              (pkgs.writeShellScriptBin "apply-local" ''
                colmena --experimental-flake-eval apply-local --sudo "$@"
              '')
            ];
          };
        };
        flake = {
          colmenaHive = colmena.lib.makeHive self.outputs.colmena;

          colmena = {
            meta = {
              inherit specialArgs;

              nixpkgs = import nixpkgs {
                system = "x86_64-linux";
                overlays = [ ];
              };
            };

            defaults = { name, ... }: {
              imports = [ ./modules ./hosts/${name} ];
            };

            radish = { ... }: {
              deployment = {
                allowLocalDeployment = true;
                targetHost = null;
              };
            };

            freun-dev = { ... }: { };

            apu = { ... }: { };
          };
        };
      }
    );
}