Maintenance Countdown adds a live, themeable countdown to Drupal’s maintenance window by integrating the Maintenance and Countdown modules, so visitors know exactly when downtime starts and ends.
ORCID Display is a custom Drupal module that allows you to display public information from an ORCID profile (name, works, etc.) directly on your Drupal site.
This module provides routes and templates for 403 and 404 status pages as well as settings for the texts so that you don't need to set a node ID in the basic site settings and can provide paths (