Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
DFSR - The Distributed File System Replication (DFSR) service is a multi-master replication engine used to keep folders synchronized on multiple servers.
Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.
Media Shuttle - The Easiest and Most Reliable Way to Send Any Size File, Anywhere, Fast.
AOMEI Backupper - AOMEI Backupper is a software created to help a person backup, restore, clone, and sync their entire Windows system.
GoodSync - GoodSync provides highly reliable file backup and synchronization for both individuals and businesses.