{
  description = "ontake's custom packages!";

  inputs = {
    nixpkgs.url = "nixpkgs/nixos-unstable";
    utils.url = "github:numtide/flake-utils";
  };

  outputs =
    inputs@{ self, nixpkgs, utils, ... }:
    utils.lib.eachSystem
      [
        "x86_64-linux"
        "aarch64-linux"
        "x86_64-darwin"
        "aarch64-darwin"
      ]
      (
        system:
        let
          pkgs = nixpkgs.legacyPackages.${system};
        in
        {
          packages.kon = with pkgs; (buildGoModule rec {
              pname = "kon";
              version = "0.0.1";

              buildInputs = [
                gcc
                go
              ] ++ libs;

              nativeBuildInputs = with pkgs; [
                pkg-config
                makeWrapper
              ];

              subPackages = [ "." ];

              src = fetchFromGitea {
                domain = "git.ontake.dev";
                owner = "go";
                repo = "kon";
                rev = "c94a27dc86c0dbe21f952d247d51b119e66bc6dc";
                hash = "sha256-Fi8DkF8lBEdBcOKRKA0Zr9s4NDy1eSrIs9nQS5YA02Q=";
              };

              vendorHash = null;

              meta = with lib; {
                description = "A sysadmin tool for monitoring and system updates";
                homepage = "https://git.ontake.dev/go/kon";
                license = licenses.gpl3;
                maintainers = [ ];
                platforms = platforms.linux;
              };

              postInstall = ''
                wrapProgram "$out/bin/kon" \
                --prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath libs}
              '';
            });
          packages.adam-gui = symlinkJoin { name = "adam-gui"; 
          paths =  with pkgs; [
            (buildGoModule rec {
              pname = "adam-gui";
              version = "0.0.1";

              buildInputs = [
                gcc
                go
              ] ++ libs;

              nativeBuildInputs = with pkgs; [
                pkg-config
                addOpenGLRunpath
                makeWrapper
              ];

              subPackages = [ "." ];

              src = fetchFromGitea {
                domain = "git.ontake.dev";
                owner = "go";
                repo = "adam-gui";
                rev = "a64eabcfd4a85d2a3fe3e88c8f668af2c4db741d";
                hash = "sha256-igJie5yYj7LndBGd5XA7GU0qWalrK5j+YM0hCFunXVY=";
              };

              vendorHash = null;

              meta = with lib; {
                description = "A simple GUI for ADAM branded scales";
                homepage = "https://git.ontake.dev/go/adam-gui";
                license = licenses.gpl3;
                maintainers = [ ];
                platforms = platforms.linux;
              };

              postInstall = ''
                wrapProgram "$out/bin/adam-gui" \
                --prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath libs}
              '';

              postFixup = ''
                addOpenGLRunpath $out/bin/adam-gui
              '';
            })
            (makeDesktopItem {
              name = "ADAM GUI";
              desktopName = "ADAM GUI";
              exec = "adam-gui";
              icon = "adam-gui";
              comment = "A simple GUI for ADAM branded scales.";
              categories = [
                "Science"
                "Utility"
              ];
            })
          ]; 
           }
        }
      );
}