WooCommerce is an open-source, customizable eCommerce platform for entrepreneurs worldwide. Whenever you start a small business with WooCommerce online store, orders and invoices are related to your store. In WooCommerce you’ll get tons of plugin to minimize your task. WooCommerce FreshBooks plugin allows you to automatically send mail or email invoices when your customer place any order to your WooCommerce store. With one click from the “Orders” page, you can get invoice of some orders.