ODIN is described as '(Open Disk Imager in a Nutshell) is a utility for easy backup of hard drive volumes or complete hard drives under Windows. A disk image can be created or restored. Only used clusters can be backuped, compression on the fly is possible' and is a Disk Cloning tool in the backup & sync category. There are more than 10 alternatives to ODIN for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best ODIN alternative is Clonezilla, which is both free and Open Source. Other great apps like ODIN are Macrium Reflect, Acronis True Image, Win32 Disk Imager and EaseUS ToDo BackUp.