Use a third-party CSS or JS Framework, a self-hosted service like a CRM, or a third-party service with the site.
This project integrates Nexi XPay into the Drupal Commerce payment and checkout systems.
Module automatically compiles scss/less files defined in libraries.yml into css SCSS compiler: ScssPhp LESS compiler: LessPhp
The Google Tag Manager: Events module provides API to push events to GTM Datalayer from PHP.
hCaptcha is a drop-in replacement for reCAPTCHA that puts user privacy first.