{lib, ...}: {
  perSystem = {pkgs, ...}: {
    packages.t3code = pkgs.appimageTools.wrapType2 rec {
      pname = "t3code";
      version = "0.0.13";

      src = pkgs.fetchurl {
        url = "https://github.com/pingdotgg/t3code/releases/download/v${version}/T3-Code-${version}-x86_64.AppImage";
        hash = "sha256-oHKIh+aHsbGVHEoLLjItl6AbVRwvWVlZaIWyHKiekVc=";
      };

      extraInstallCommands = let
        contents = pkgs.appimageTools.extract {inherit pname version src;};
      in ''
        desktop_file=$(find ${contents} -name "*.desktop" | head -n1)
        if [ -n "$desktop_file" ]; then
          install -m 444 -D "$desktop_file" "$out/share/applications/${pname}.desktop"
          substituteInPlace "$out/share/applications/${pname}.desktop" \
            --replace 'Exec=AppRun' 'Exec=${pname}' \
            --replace 'Exec=T3-Code' 'Exec=${pname}' \
            --replace 'Exec=t3-code' 'Exec=${pname}' || true
        fi

        if [ -d ${contents}/usr/share/icons ]; then
          cp -r ${contents}/usr/share/icons $out/share
        fi
      '';

      meta = {
        description = "T3 Chat Desktop";
        homepage = "https://t3.codes";
        license = lib.licenses.mit;
        platforms = ["x86_64-linux"];
      };
    };
  };
}