{ pkgs, lib, config, osConfig, ... }: {
  options.mods.desktop.productivity.enable =
    lib.mkEnableOption "enables gui productivity tools";

  config = lib.mkIf config.mods.desktop.productivity.enable {
    home.packages = with pkgs; [
      # ISO downloader
      qbittorrent
      xd
      biglybt
      # transmission_4-gtk

      # email
      thunderbird

      # webgl
      chromium
      mullvad-browser

      # password manager
      bitwarden-desktop

      # documents
      texliveFull
      texstudio
    ];

    home.sessionVariables.BROWSER = "librewolf";
    programs.zsh.sessionVariables.BROWSER = "librewolf";

    programs.librewolf = {
      enable = false;
      settings = {
        "webgl.disabled" = true;
        "privacy.resistFingerprinting" = true;
        "privacy.clearOnShutdown.history" = false;
        "privacy.clearOnShutdown.cookies" = false;
        "network.cookie.lifetimePolicy" = 0;
      };
    };

    xdg.desktopEntries = lib.mkIf osConfig.mods.i2p.enable {
      i2p-browser = {
        name = "i2p Browser";
        genericName = "Web Browser";
        exec = "${pkgs.mullvad-browser}/bin/mullvad-browser -p i2p";
      };
    };

    # programs.qutebrowser = {
    #   enable = true;
    # };
  };
}