Download of WiFind 1.4 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. The program lies within System Tools, more precisely General. This software for Mac OS X was originally created by Tastyapps.
From the developer:
WiFind shows you if wireless networks are locked or unlocked and their signal strength - right in the airport menu. It's a tiny lightweight plugin for OS X that makes connecting to reliable wireless networks quicker and easier. Whether you're at home, the office or at your favorite cafe - WiFind will help you locate a signal and start browsing!
You may want to check out more Mac applications, such as Boingo Wi-Finder, which might be similar to WiFind.