Use Modular POS Restaurant Point of Sale Software totally free of charge!
Modular POS is a full-featured Point of Sale designed to operate on the Surface Pro and any other touchscreen tablet, or computer using the Microsoft Windows OS.
Modular POS by Tarians can accommodate all of your restaurant’s operational needs and deliver's all the functionality of a traditional system, along with the flexibility of a tablet, at a fraction of the cost. modularpos.com