erp-crm is an open-source, headless software suite designed to unify Enterprise Resource Planning, Customer Relationship Management, e-commerce, and accounting operations for modern businesses. Built on the MERN stack, it leverages Node.js and Express.js for a robust backend, React.js with the Ant Design framework for an intuitive frontend interface, and MongoDB for flexible data storage. This solution provides comprehensive tools for managing invoicing, financial accounting, and human resources within a single platform. As a headless architecture, it offers API-first flexibility, allowing developers to build custom frontends or integrate with existing systems seamlessly. The software is optimized for local development using Docker Compose, which automates the setup of backend, frontend, and database containers for rapid deployment and testing. Ideal for organizations seeking a customizable, self-hosted alternative to proprietary enterprise software, erp-crm supports multi-language deployment including Englis