Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
Virtual CloneDrive - Virtual CloneDrive works and behaves just like a physical CD/DVD/Blu-ray drive, although it only exists virtually.
Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.
DAEMON Tools - The most personal application for disc imaging yet.
AOMEI Backupper - AOMEI Backupper is a software created to help a person backup, restore, clone, and sync their entire Windows system.
UltraISO - CD image files are easily created with UltraISO.