Open-Source Folder Comparison and Synchronization Tool - FreeFileSync

FreeFileSync is an Open-Source folder comparison and synchronization tool. It is optimized for highest performance and usability without restricted or overloaded UI interfaces.

FreeFileSync Key Features:
 * Detect moved and renamed files
 * Copy locked files (Volume Shadow Copy Service)
 * Detect conflicts and propagate deletions
 * Binary comparison
 * Full support for Symbolic Links
 * Run as a batch job
 * Multiple folder pairs
 * Support very long path names > 260 characters
 * Transactional file copy
 * Cross-platform: Windows/Linux
 * Access variable drive letters by volume name (USB sticks)
 * Native 32 and 64-bit builds
 * Version of deleted files
 * Optimal sync sequence prevents disc space shortages
 * Full unicode support
 * Highly optimized performance
 * Include/exclude files via filter
 * Local or portable installation
 * Handle daylight saving time changes on FAT/FAT32
 * Use macros %time%, %date%, et al. for recurring backups
 * Case sensitive synchronization
 * Built-in locking allows for multiple jobs on the same network share

FreeFileSync Installation:
Open the terminal and type following commands:

sudo add-apt-repository ppa:freefilesync/ffs
sudo apt-get update
sudo apt-get install freefilesync

After successful installation you can start  FreeFileSync from Unity Dash