1)   AJC Directory Synchronizer 2.4.9
AJC Directory Synchronizer makes it easy to synchronize files and compare folders between any two locations. Synchronize large numbers of files between computers, sync laptop to desktop, mirror to backup drive, sync mp3 player etc.

 2)   Comparator Fast 1.0.0.19
Simplifies the comparison / verification / synchronization status of two different directories on any media (local drives, network drives, writable CD's, Compact Flash and electronic media, any drive/disk or device managed as valid windows pathnames)

 3)   VData 2.3
This purpose of this program is verify/compare data. A single file may be compared with another single file. An entire disk or disk structure (folder with files and nested folders) may be compared with a copy on the same or a different device