iStumbler

IStumbler is a free Mac OS X software for finding network connections through Apple's AirPort wireless networking standard, Bluetooth or Bonjour network.

The software scans in a user-adjustable time interval, the available networks and provides them with the basic data (network name, encryption, signal strength, MAC address, etc. ) dar. in the program window is Growl installed, is displayed in a find a Growl notification.

As to the Mac OS version 10.4 (Tiger) in the network selection window AirPort no basic information on encryption of the individual networks were displayed and finding unsecured networks was a matter of chance, iStumbler noted at the time an alternative for many Mac users is.