NotrinosERP

NotrinosERP is an open-source, web-based ERP system written in PHP and MySQL. It brings accounting, CRM, sales, purchasing, warehousing, manufacturing, payroll, and human resource functions into one self-hosted application for small and medium businesses.

It supports multi-company operation, multi-currency transactions, multi-language gettext files, role-based multi-user access, and multi-level approval workflow. The system also includes a hook and extension system, plus built-in modules for sales, purchases, inventory, and reporting.

NotrinosERP runs on PHP 5.6 to 8.4 and can be installed manually by copying the files into a web server document root or as a Composer project. It is licensed under GPL-3.0, and the source is available on GitHub with a project website and downloadable snapshot.