Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.
Acronis Backup and Recovery - Acronis Backup is a data recovery solution that offers more ways of storing and recovering drives, folders and files as compared to other similar solutions.
Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
SolarWinds Backup - Modern server backup software
Win32 Disk Imager - Create and restore image backups of disk drives.
Altaro VM Backup - Altaro VM Backup is a leading virtual machine backup and replication platform specially designed for VMware and Microsoft Hyper-V environments.