Vanta - Automate compliance, simplify security.
Nmap - Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.
SAI360 - GRC Platforms
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.
Havoc Shield - Cybersecurity built for startups and small business in an affordable, all-in-one suite of tools. Put a cybersecurity program in place in under a week to protect your business from ransomware and cybersecurity attacks.
Wireless Network Watcher - scans your wireless network and displays the list of all computers and devices that are currently connected to your network.