OpenERP is an open-source enterprise resource planning (ERP) software that helps businesses manage various operations, including finance, inventory, sales, and customer relationships. It provides a suite of integrated applications designed to streamline processes and improve efficiency across different departments. Originally developed by Odoo, OpenERP allows users to customize and extend its functionalities to meet specific business needs. Its modular architecture means companies can start with basic features and add more as they grow, making it a flexible solution for organizations of all sizes.