FLExplorer 1.0 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. FLExplorer is included in System Utilities. This free software is a product of erational. We recommend checking the downloaded files with any free antivirus. The most popular version among the software users is 1.0.
From the developer:
FLExplorer is a special software designed to help the user to see a website structure. Is very simple to use,with just one click the user can see all the structure of any website
Main features:
browse and display website structure
open-source & free
You may want to check out more software, such as Luracast Flexplorer, which might be similar to FLExplorer.