Clonezilla!

Acronis True Image provides data protection including, backup, archive, access and recovery for Microsoft, macOS, iOS and Android operating systems. As disk imaging software, True Image can restore the previously captured image to another disk, replicating the structure and contents to the new disk, also allowing disk cloning and partition resizing, even if the new disk is of a different capacity.

Macrium Reflect is a Disc Imaging Backup Software to make a complete *.mrimg or *.iso copy of your hard drive.

Create and restore image backups of disk drives.

Open-Source drive imaging solution coming as Linux-based Live CD (or USB thumb drive) that allows for backup and recovery of partitions or entire hard-drives and computers (both Linux and Windows). The solution provides a beginner-friendly and easy to use graphical user interface, automatically finds network shares, includes the web browser Firefox and more.

EaseUS ToDo BackUp is a file backup and disaster recovery software. You can backup disks, partitions, individual files and folders. You can backup to other disk of your PC or to FTP and CD/DVD. Todo Backup enables you to clone the entire disk fast both in Windows and bootable CD. It can backup your system partition to image to quickly get the system up and running in the event of a system crash or hardware failure and allows you to restore after viruses attack, unstable software download, and hard drive failure. »

Carbon Copy Cloner (CCC) features an interface designed to make the cloning and backup procedure very intuitive. In addition to general backup, CCC can also clone one hard drive to another, copying every single block or file to create an exact replica of your source hard drive. CCCs block-level copy offers the absolute best fidelity in the industry!

FOG is a free open-source cloning/imaging solution/rescue suite. A alt. solution used to image Windows XP, Vista PCs using PXE, PartImage, and a Web GUI to tie it together. Includes featues like memory and disk test, disk wipe, av scan & task scheduling.

Paragon Backup & Recovery Free Edition gives you the ability to make a backup of your disk/partition, plus the ability to restore it later. The hot process options using Microsofts VSS technology allow to make backups during working on your Operating System (Windows XP, Vista or Windows 7, ...), similar as with Macrium Reflect Free Edition with Multi Language Support.

RollBack Rx client is a robust system restore utility that enables home users and IT professionals to easily restore a PC to a time before certain events occurred. RollBack Rx makes it easy for users of all skill levels to quickly and easily repair PC issues - saving time, money and PC trouble.

Fast and reliable disk-based backup that captures full, differential and incremental point-in-time backup images of your entire system. This includes the operating system, applications, configuration settings and data. Schedule full and incremental backups for automatic protection of everything on your Windows server.

HDClone creates physical or logical copies (clones) and file images of hard disks and other mass storage media. HDClone is a perfect tool for backups and copies of entire software or operating system installations. A special SafeRescue mode makes HDClone an invaluable tool for rescuing defective hard disks and other media. HDClone works independent of partitioning scheme, file system, and operating system. It also works with proprietary formats which otherwise would be unaccessible.

Free Edition supports scheduled backup, incremental backup and differential backup of partitions, hard-disks AND folders. Restrictions: no cleanup of backups and no command-line-backups as you can do with Macrium Reflect Free Edition.

Prevent data loss easily and securely! With O&O DiskImage you can create images of your entire computer or individual partitions during operation.

R-Drive Image is a potent utility providing disk image files creation for backup or duplication purposes. A disk image file contains the exact, byte-by-byte copy of a hard drive, partition or logical disk and can be created with various compression levels on the fly without stopping Windows OS and therefore without interrupting your business. These drive image files can then be stored in a variety of places, including various removable media such as CD-R(W)/DVD, Iomega Zip or Jazz disks, etc.