SelfishNet - Block anyone or any device from using your internet
Wireshark - Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.
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.
netcat - Netcat is a featured networking utility which reads and writes data across network connections...
SoftPerfect WiFi Guard - Security of your Wi-Fi network for Windows, macOS and Linux
Ettercap - Ettercap is a suite for man in the middle attacks on LAN.