FreePOS is a free and open-source Point of Sales software designed for diverse businesses including retailers, wholesalers, grocery stores, restaurants, and service providers like barber shops. Built as a Windows-based application using C, WPF, and MySQL, it offers a modern and robust technology stack without any data limits. The system provides comprehensive standard POS functionalities covering essential inventory management, accounting, and detailed reporting tools. Users can manage customer and vendor ledgers, handle multiple user accounts, process transactions, and print invoices directly from the interface. An additional feature allows users to send branded SMS messages from within the software, enhancing customer communication. FreePOS is engineered to be easy to learn and operate while supporting complex business needs. Key technical requirements include .NET Framework 4.8 and MySQL version 5.6 or higher. The project is fully open source under the Apache License Version 2.0 and actively seeks communit