Web based platform for registering traders, uploading products from them and rating the products by registered users. The project is made with Microsoft Visual Studio (IDE) Version: 14.0.25420.1. Used programming languages: C#, CS, HTML, JS, SQL. The SQL queries used to make the database for the app are in the SQL Query Script.txt file which is in the project. The queries for the creation of sample product categories and administrators are in the SQL Sample Query Script.txt file which is in the project. The data source used for the app is SQLEXPRESS.