The best possible score is 10.
No specific info about version 4.0. Please visit the main page of WBFS Manager on Software Informer.
ISO to WBFS is program to convert ISO disc image files to the WBFS format.
It is a free program that allows you to convert WBFS files to ISO.
The primary function of the program is conversion to/from .iso and .wbfs files.
WCDWM is all in one FREE Java WBFS Backup Management System.
It is an excellent program that can manage FAT, NTFS and WBFS drives