metasfresh

metasfresh is a free and open source ERP system for companies in industry and trade. It targets businesses that need scalable, flexible software with a web-based interface for sales orders, shipments, invoicing, and related day-to-day operations.

It uses a 3-tier architecture with a REST API and a web frontend built with HTML5, ReactJS, and Redux. You can install it with Docker or an Ubuntu installer, and a stable release is published every Friday except one week at the end of the year.

metasfresh is run yourself on your own server, with a PostgreSQL backend and documentation for admins, users, developers, and testers. A community forum handles questions and discussion. It suits organizations that want full control over an in-house ERP deployment.