MiniTool ShadowMaker Free is an all-in-one system backup and data protection solution that can be used to back up system/disk/files/folders, to customize backup schedule, to manage disk space taken up by backup files, to create WinPE bootable media, to clone hard drive, and so on.
Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
UltraISO - CD image files are easily created with UltraISO.
Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.
PowerISO - PowerISO is a virtual drive that allows users to encode, burn, mount, and even encrypt CDs, DVDs, and BDs. The software can be downloaded from many platforms and sites online.
Acronis Cyber Protect Home Office - (Formerly Acronis True Image) Complete protection for your digital life
WinCDEmu - WinCDEmu is an open-source CD/DVD/BD emulator.