UltraISO

 UltraISO can extract, create, edit, and convert CD/DVD image files. It can directly edit an ISO file, make ISO images from CD/DVD-ROMs, create a new ISO from files and folders on your computer, and make bootable CDs and DVDs. In addition, UltraISO can convert nearly all known CD and DVD image formats to ISO, BIN/CUE, Nero (NRG), Alcohol 120 percentage (MDS/MDF), and CloneCD (CCD/IMG/SUB) formats, as well as burn CD/DVD images directly with built-in burning engine and emulate ISO images with up to 8 virtual CD/DVD drives.
Highly versatile and especially proficient with boot discs, UltraISO Premium creates, edits, and burns disc images in several popular formats: ISO, BIN, Nero, Alcohol, CloneCD, and Xbox. It also converts images among formats. UltraISO supports data and audio/video discs and includes a simple MP3 encoder, but it really excels at creating bootable discs. It even can create a disc with a menu for booting several OSs.
The interface is well organized, though rather plain, and we wish its icons were more readable. Also on the negative side, the program can't mount CD images, which will diminish its value for some. However, if you need support for multiple image formats and want to design bootable discs, UltraISO makes a very good pick.