Advance POS System with Stock Manager (APOS) is a multi-functional complete web application developed using ASP.NET Core and EF Core code first technology. This web application enables you to manage all kinds of retail shops and small businesses through proper monitoring and a dynamic reporting system. APOS is a .NET Core/jQuery-based web application that allows you to manage your sales and inventory from anywhere. It has a built-in Invoice and Inventory System with taxes and discounts. These will be really helpful to apply taxes and discounts automatically and the ability to generate invoices. Update your stock information, make purchases and view sales data from anywhere whether in the office, at home, in the warehouse, or on the go. All you need to access this is a device with an internet connection.