Hiren's Boot CD is a boot CD containing various diagnostic programs such as partitioning agents, system performance benchmarks, disk cloning and imaging tools, data recovery tools, MBR tools, BIOS tools, and many others for fixing various computer problems. It is a Bootable CD; thus, it can be useful even if the primary operating system cannot be booted.
Hiren's Boot CD has an extensive list of software. Utilities with similar functionality on the CD are grouped together and seem redundant; however, they present choices through UI's differences and options in what they can do.

Hiren's BootCD - All in one Dos Bootable CD which has all these utilities:: Partition Tools, Disk Clone Tools, Antivirus Tools, Recovery Tools, Testing Tools, Hard Disk Tools etc.