SelfishNet - Block anyone or any device from using your internet
NetCut - NetCut is a Software that helps you admin your network by purely on ARP protocol.
SoftPerfect WiFi Guard - Security of your Wi-Fi network for Windows, macOS and Linux
WirelessNetView - Small utility that runs in the background, and monitor the activity of wireless networks around you.
WifiKill - App with ability to block other devices from network
Actiontec Managed Wifi - Actiontec Managed Wifi is a best-in-class wifi optimization utility that provides expediency to broadband operators with all tools that are required to manage the home wireless networks.