NetSpot - NetSpot is a free app for wireless site surveys, Wi-Fi analysis, and troubleshooting
TinyWall - Lightweight and non-intrusive firewall
inSSIDer - inSSIDer Essential makes it easy to maintain small business WiFi.
GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...
Kismet - Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system.
Windows Firewall Control - Windows Firewall Control is not the built in firewall system in the Windows operating systems.