{
  personal.home_modules = [
    (
      {pkgs, ...}: {
        home.packages = with pkgs; [
          geogebra6 # geogebra5 currently does not work?
          gimp
          chemtool
          avogadro2
        ];
       #  programs.sagemath.enable = true; # disabled because of https://github.com/NixOS/nixpkgs/issues/368655
      }
    )
  ];
}