Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
Win32 Disk Imager - Create and restore image backups of disk drives.
Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.
SD Card Formatter - SD Card Formatter is software for Mac OS X and Windows operating systems that can formats all SD memory cards, SDHC memory cards, and SDXC memory cards quickly and easily.
AOMEI Backupper - AOMEI Backupper is a software created to help a person backup, restore, clone, and sync their entire Windows system.
Stellar Drive Clone - StellarDriveClone is data backup and cloning software for the Mac OS X operating systems users.