eero - Blanket your home in fast, reliable WiFi
Vistumbler - Vistumbler is a wireless network scanner for Windows Vista and Windows 7. Features:
Plume - App for writing documents, scripts, books and more.
inSSIDer - inSSIDer Essential makes it easy to maintain small business WiFi.
MIWIFI by Xiaomi - Wifi router beta with a twist: you build it yourself
Homedale - With Homedale you can search for Wi-Fi / WLAN Access Points and monitor their signal strength.