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.

D-Bus is a message bus, used for sending messages between applications. Conceptually, it fits somewhere in between raw sockets and CORBA in terms of complexity.

Borg is a deduplicating and compressing backup program. Optionally, it also supports authenticated encryption. It was forked from the attic backup program.