admidio
self-hosted, human resources management

Admidio is a free, open-source user management system designed for websites of organizations and groups. It offers a flexible role model, allowing users to reflect the structure and permissions of their organization effectively. Developed under the GPL-2.0 license and written in PHP with Docker support, Admidio provides features for managing user accounts, permissions, and roles. With Admidio, organizations can streamline their user management processes, customize access levels based on organizational hierarchies, and maintain a structured and secure user database.