SelfishNet - Block anyone or any device from using your internet
Ekahau HeatMapper - The Free Wi-Fi Coverage Mapping Site Survey Tool
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.
Waircut - Free network audit app
SoftPerfect WiFi Guard - Security of your Wi-Fi network for Windows, macOS and Linux
iBwave Wi-Fi - iBwave Wi-Fi software suite brings smart networking solutions to enterprise, education, hospitality, transportation, retail, office, healthcare, public venues, and residential wireless networks.