PacketFence - PacketFence is a Free and Open Source network access control (NAC) system.
Fing - Discover which devices are connected to any Wi-Fi network, map devices, detect intruders, assess...
Coveo - Enterprise search technology for better customer support, customer self-service, and knowledge management in the digital workplace.
Okta - Enterprise-grade identity management for all your apps, users & devices
FortiNAC - FortiNAC | Documentation
Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.