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)   PowerFolder 3.0.0
PowerFolder is a free tool to synchronize,backup,transfer,access and share files over the internet or local network. It can be used to exchange every type of data, for example - documents, photos, music, videos or project files.
powerfolder, synchronization, synchronize folders, synchronize directories, synchronize archives, synchronize files, share folders, share directories, share archives, share files,