SmartSync Pro 

SmartSync Pro is a universal solution to back up and synchronize data to a local or external drive (Flash/ USB/ZIP, CD/DVD, NAS etc) or even a remote PC. Task scheduler, data compression, activity logging and password protection are available.
copy backup sync synchronization incremental restore mirror file replication utility recovery

DirSync Directory Synchronizer 

Easily backup, synchronize or replicate files and folders. It supports: run as service, remote admin, scheduling, simulation, email reporting, filtering, unicode filename, file revisioning, pre/post-sync process, path variables and detailed log.
backup sync replicate directory folder file revisioning

#1 Atomic Clock 

Atomic Clock synchronizing application with some useful options (skinned, synchronize periods, work as Time Server, import time servers list, etc)
atomic clock sync ntp sntp nist synchronization time internet synchronic daily

Twin Folders 

Working on two different computers? Keep your files up-to-date at both of them with this easy-to-use utility. It can synchronize and backup/restore your files.
twin folders file folder directory files folders directories synchronization backup sync synchronizer synchronize files synchronize folders

FTPSync 

FTPSync is a tool that will synchronize two FTP sites or local directories. FTPSync is useful for updating your home page or corporate web site, maintaining an off-site backup, maintaining web site mirrors, etc.
ftp sync offsite backup off-site

SP TimeSync 

SP TimeSync is a multilingual program which lets you synchronize your computer's clock with any Internet atomic clock (time server). It uses a high precision network time protocol (NTP) which provides accuracy of several milliseconds.
sp timesync time sync program clock ntp server atomic sntp internet precision synchronizer