MagicISO - MagicISO is a powerful CD/DVD image file creating/editing/extracting tool.
UltraISO - CD image files are easily created with UltraISO.
WinCDEmu - WinCDEmu is an open-source CD/DVD/BD emulator.
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.
Virtual CloneDrive - Virtual CloneDrive works and behaves just like a physical CD/DVD/Blu-ray drive, although it only exists virtually.
AcetoneISO - AcetoneISO, is a feature-rich and complete software application to manage CD/DVD images.