Nozomi Networks - Nozomi Networks is one of the leading platforms in OT & IoT Security that allows organizations to monitor assets on their networks and identify threats, vulnerabilities to deal with them appropriately.
Nmap - Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.
Verimatrix Accelerate IoT Security - Verimatrix is a platform used by top businesses to Accelerate IoT Security across their network.
Angry IP Scanner - Open-source and cross-platform network scanner designed to be fast and simple to use
Tenable-ot - Tenable-ot provides comprehensive OT security so that you can protect your IoT network against risks.
Advanced IP Scanner - Advanced IP Scanner shows all network devices, gives you access to shared folders, and can even remotely switch computers off. Download it Free.