MySQL: an SQL database server

Synaptic: a graphical front-end for APT

GNU Binutils: an essential collection of binary utilities

Man Pages: files containing the manual pages displayed by man

GNU Parted: a program to create, destroy, resize and copy PC disk partitions

Snort: a light-weight network intrusion detection program

K3b: a KDE-GUI for cdrecord and cdrdao, similar to Nero

Linux kernel: a UNIX clone written from scratch by Linus Torvalds

OpenSSH: a client and server for encrypted remote logins and file transfers

GNOME Shell: a core user interface of the GNOME 3 desktop

Docker: a program that performs operating-system-level virtualisation, also known as "containerisation"

Qt Creator: a cross-platform IDE tailored to the needs of Qt developers

Nautilus: a file manager for the GNOME desktop

Dovecot: an open source IMAP and POP3 server for Linux/UNIX-like systems

Opera: a light-weight graphical web browser

Evolution: information management software providing mail, address book and calendaring functionality

mod_perl: provides a Perl module for httpd

libvirt: a toolkit to interact with the virtualization capabilities of the Linux kernel

SQLite: an embeddable SQL engine in a C library

GTK: a multi-platform toolkit for creating GUIs