Fredo Tools combine different types of plugins. Given below the lists of these plugins :-
Report Label Area
Construct Face Normal
Count Faces By Sides
Remove Lonely Vertices
Reverse Orient Faces
Auto Reverse Faces
In this sketchup video tutorial, one can learn the process for applying Fredo tools along with all the plugins included within it.
To run Fredo tools, you have to install LibFredo6 7.5b or higher version.
To download the latest version, click on the following link sketchucation.com
The above plugins will not be visible in the toolbar rather they can be accessed from the menu.
Watch the demonstration of each plugin.