Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.
Duplicati - Free backup software to store backups online with strong encryption. Works with FTP, SSH, WebDAV, OneDrive, Amazon S3, Google Drive and many others.
Win32 Disk Imager - Create and restore image backups of disk drives.
Online Vault Backup - Online Vault Backup is a cloud storage service that allows you backup your data while having unlimited storage.
Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
Rebel Backup - Rebel Backup lets you make encrypted backups of your important files to Dropbox or Google Drive.