Imagine being able to react to any event on your store with an action of your choice. Send an email on every new order. Tweet about your new customers. Send a slack message every time there's a refund. You want to be notified by SMS too? No problem!
Built in a slick, native interface, Triggerify will let you act on any Shopify webhook with a set of predefined actions;
This app is free and open source.