Dropbox - Online Sync and File Sharing
Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.
Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.
Google Drive - Access and sync your files anywhere
AOMEI Backupper - AOMEI Backupper is a software created to help a person backup, restore, clone, and sync their entire Windows system.