X.Org: the X.Org Foundation's public implementation of the X Window System

DNF: a new package management library and a fork of yum

Synaptic: a graphical front-end for APT

lighttpd: a secure, fast, compliant, and flexible web server optimized for high-performance environments

PHP: a server-side HTML embedded scripting language

Rust: a systems programming language that runs blazingly fast, prevents segfaults and guarantees thread safety

Wireshark: a network protocol analyzer

Snort: a light-weight network intrusion detection program

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

LVM: the logical volume manager

Subversion: a version control system

Git: an open source version control system

Mesa: a 3D graphics library

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

APT: a front-end for the dpkg package manager

snapd: a tool to support and manage .snap applications that are portable across different Linux systems

Mozilla Firefox: a web browser for Windows, Linux, macOS, FreeBSD and Android

MariaDB: a robust SQL server, a fork of MySQL

Plasma Desktop: a desktop environment

Flatpak: a framework for Linux application sandboxing and distribution