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

Changelog:
Allow empty folder pairs without complaining
Automatically exclude database and lock files from all (sub-)directories (not only from base)
Resize grid columns on both sides in parallel
Fixed tooltip foreground text color (Linux)
Search via CTRL + F and F3 now as global hotkeys
Fully portable use of directory locking (Windows/Linux, 32/64 bit)
RealtimeSync: Treat missing network path the same as missing local path
Show current job name during synchronization (batch/gui)
Allow copying dereferenced (=followed) directory Symlinks over network share
Fail to copy Symlinks (=direct) over network share instead of silently creating empty folder (Windows XP)
Copy NTFS junctions as Symlinks (avoiding permission checks)
RealtimeSync: ignore request for device removal on network mapped drives
Support for copying SELinux security contexts
Fixed moving buttons in synchronization dialog
Allow deleting currently selected item from list of last used folders (not before wxWidgets 2.9.1)
Avoid losing focus after manually deleting a file
Preserve custom changes to sync directions after manually deleting a file
Handle empty tooltips correctly (Linux)
Updated translation file

Program Information Category: Tools and Utilities Type: Free Version: 3.12 Size: 7.4MB Works on: Windows Product page: here