Partclone provides utilities to backup a partition smartly and it is designed for higher compatibility of the file system by using existing library.

Fast block device sync with digest, designed to improve block-based backups.

extract random-positioned data from gzip files with no penalty, including gzip tailing like with 'tail -f' !

A massively spiffy yet delicately unobtrusive compression library.

partclone-nbd - browse clonezilla images without restoring it.