You are looking for a solution to synchronize data between your online website and your local store; you are looking for a quick solution to manage your cafe/restaurant. OpenPOS is a must have Plugin to do that.
OpenPOS is a complete point of sale system(POS) plugin for WooCommerce and WordPress. OpenPOS can be used for multi purposes like as Retailers Stores / Restaurant / Cafe / Spa salon. OpenPOS includes everything you need for a Point Of Sale system.
New Feature: OpenPOS Progressive Web Apps on Desktop
OpenPOS Progressive Web Apps on Desktop can be ‘installed’ on the user’s device much like native apps. It’s fast. Feel integrated because they launched in the same way as other apps, and run in an app window, without an address bar or tabs. It is reliable because service workers can cache all of the assets they need to run. And it create an engaging experience for users.
Demo: https://codecanyon.net/item/openpos-a-complete-pos-plugins-for-woocomerce/22613341