Admidio is a free open source user management system for websites
An open-source Identity and Access Management (IAM)
Next-gen identity server with Ory-hardened authentication
Use GitHub teams to manage system user accounts and authorized_keys
Create a centralized Authentication and Authorization token server
Authorization, Authentication and User Management library
IDaaS/IAM solution that can Auth to web and mobile applications
Built for enterprise level and highly customized websites
Sita Access Manager (SAM) is php based Login System.