Use a third-party CSS or JS Framework, a self-hosted service like a CRM, or a third-party service with the site.
This module integrates with the Instafeed.js which is a dead-simple way to add Instagram photos to your website.
Drupal toastr is a module providing integration between Javascript toastr library and drupal. It changes status messages to growl like notifications
EventDispatcher provides integration with Symfony EventDispatcher component for Drupal 7.
This module integrates Payeezy with Drupal Commerce to accept credit card payments on-site
A simple module that includes a settings page and one block that will connect to the Facebook API 2.x (tested with 2.0-2.7) and give you a themed feed of the posts on a specific page.
This project is part of the Drupal Social Initiative.