EasyBoot is an easy-to-use utility to create custom multi-boot, menu driven CDs and DVDs. It has the ability to automatically produce boot image files, and generate the ISO file as well.
UltraISO is a powerful and easy-to-use utility that can extract, create, edit, convert, and burn CD/DVD image files. It can directly edit ISO files, make images from CD/DVD-ROMs, or build new one from files and folders on your computer.