{
  self,
  pkgs,
  config,
  lib,
  ...
}: {
  services.nextcloud.extraApps = with pkgs.nextcloud27Packages.apps; {
    inherit bookmarks
      calendar
      contacts
      files_markdown
      impersonate
      keeweb
      maps
      news
      notes
      notify_push
      tasks
      #twofactor_totp
      twofactor_webauthn
      user_saml;

    "twofactor_totp" = pkgs.fetchzip {
      sha256 = "zAPNugbvngXcpgWJLD78YAg4G1QtGaphx1bhhg7mLKE=";
      url = "https://github.com/nextcloud-releases/twofactor_totp/releases/download/v6.4.1/twofactor_totp-v6.4.1.tar.gz";
    };
  };
}