WiFi Scanner is described as 'A 802.11 wireless scanner and connection manager for Mac OS X. WiFi Scanner will detect access points and clients in ad-hoc mode if the SSID is being broadcasted. It can be used for wireless site surveys, wireless discovery, and to connect to WiFi networks' and is an app in the network & admin category. There are more than 25 alternatives to WiFi Scanner for a variety of platforms, including Windows, Android, Mac, Linux and iPhone apps. The best WiFi Scanner alternative is inSSIDer. It's not free, so if you're looking for a free alternative, you could try Wi-Fi Info or Homedale. Other great apps like WiFi Scanner are NetSpot, Vistumbler, WiFi Analyzer - VREM and NetStumbler.