Wifi Router Manager - Wifi Router Manager is a free-to-use network tool application that is providing the complete visibility of your wifi network from signal strength, security to IP addresses.

Avira Home Gaurd - Avira Home Guard is a free home network scanner app that helps secure the smart home, detects all devices connected to your Wi-Fi and tests your internet speed.

SoftPerfect WiFi Guard - Security of your Wi-Fi network for Windows, macOS and Linux

Nmap - Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.

NetCut - NetCut is a Software that helps you admin your network by purely on ARP protocol.

Angry IP Scanner - Open-source and cross-platform network scanner designed to be fast and simple to use