1)   WirelessMon 1.0 1000
WirelessMon is a software tool that allows users to monitor the status of wireless WiFi adapter(s). It gathers information about nearby wireless access points and hot spots in real time as well as providing logging and graphs of collected data.

 2)   WiFi Hopper 1.2
WiFi Hopper is a WLAN utility that combines the features of a Network Discovery and Site Survey tool with a Connection Manager.