Cryptsetup provides an interface for configuring encryption on block devices (such as /home or swap partitions), using the Linux kernel device mapper target dm-crypt. It features integrated Linux Unified Key Setup (LUKS) support.

AlgoBox is an algorithm creation and execution helper, targeted to French high school students. It’s based on an educational logic (learning via logical structures instead of piling up code lines).

Mutt is a sophisticated text-based Mail User Agent. Some highlights:

Bash is an sh-compatible command language interpreter that executes commands read from the standard input or from a file. Bash also incorporates useful features from the Korn and C shells (ksh and csh).

Four-band parametric equaliser. Each section has an active/bypass switch, frequency, bandwidth and gain controls. There is also a global bypass switch and gain control.