Use a third-party CSS or JS Framework, a self-hosted service like a CRM, or a third-party service with the site.
The DNS check module provides a validation service that checks if an email address belongs to an email domain that exists.
Integrate NTB press releases into your Drupal site.
More information here:
The Entity Synchronization module provides a framework for exchanging data between Drupal and one or more remote systems.
Commerce Exchanger plugin for Croatian National Bank (HNB) The base currency for exchange rates is HRK.
Integration of Jitsi video conferencing.
I will add it later