SalesMate Plus GST Billing Software has Smart Client and Plugin Technology Support. This offline desktop software stores all the user information securely on the user's local computer keeping all information secure and preventing data tracking. SalesMate Plus provides a backup option to store all the data to the user's Google Drive so that no data is lost to a computer crash. This software uses Minimal Accounting Terms and can be used easily by persons with no accounting background, and yet have all the important accounting features present for the smooth running of the shop.