1)   SyncEXP 1.87
SyncEXP - SyncEXPERT's LAN Version (Freeware) - A small and powerfull piece of Windows application that can synchronize files and folders within a LAN or a single PC in a bliss. It works much faster and more versatile than pcAnywhere or gotomypc etc.
pcanywhere, allwaysync, gotomypc, foldermatch, replication, compare, sync files, sync file, backup files, file transfer,

 2)   SyncEXPnet 2.21
SyncEXPnet - SyncEXPERT's WAN Version - A small and powerfull piece of Windows application that can synchronize files and folders in LAN or WAN over TCP/IP protocol. It works much faster and more versatile than pcAnywhere or gotomypc etc.
pcanywhere, gotomypc, sync files, sync file, backup files, file transfer, sychronize, sychronise, backups, synchronizieren,

 3)   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.
directory, folder, file, compare, synchronise, synchronize, diff, compare folders, compare directories, compare files,