The dsnapshot script provides a high-level interface to the Linux Logical Volume Manager. It uses its block-level snapshot support to create directory snapshots. In contrast to block-level snapshots, directory snapshots resemble the file system layer. Thus, you can snapshot any directory that is on a logical volume without worrying about the actual logical volumes, mount points, and paths.
Pkg-cacher is a transparent caching proxy daemon optimized for Debian and RPM packages. It is based on apt-cacher (version 1.6.4), which is available with Debian. This version has been modified to understand RedHat RPM repositiories. It also adds support for the HTTP Range and HTTP Redirect headers, and deals correctly with files which have the same name but different content on different distributions or, in some cases, different versions of the same distribution.
Telemeta is a global audio archiving program which introduces useful and secure indexing methods to back up digitized audio files and metadata dictionaries. It is dedicated to backing up any digitized and documented sound from collections of vinyls, magnetic tapes, or audio CDs over a strong database in accordance with many standards. Export functions also encapsulate edited metadata into a compressed file. The object style architecture provides easy developed user-friendly interfaces and a plugin style audio processing.