ImageMagick: a software suite to create, edit and compose bitmap images

apache-tomcat: a Java Servlet and JSP Container

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

iptables: enables the creation of packet alteration and firewall rules

NetworkManager: a utility aimed at simplifying the use of computer networks on Linux

PHP: a server-side HTML embedded scripting language

PostgreSQL: a relational database management system

phpMyAdmin: a tool written in PHP intended to handle the administration of MySQL over the web

Git: an open source version control system

AMDGPU: a device driver and utility software package for AMD's graphics cards and APUs

Doxygen: a documentation system for C++, Java, C and IDL

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

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

LibreOffice: a free personal productivity suite

Mesa: a 3D graphics library

xfsprogs: a set of utilities for managing the XFS file system

Mozilla Thunderbird: a full-featured e-mail and newsgroup client

OpenLDAP: a full-featured open source LDAP software suite

Wireshark: a network protocol analyzer

Mozilla SeaMonkey: a web browser, e-mail and newsgroup client, IRC chat client and HTML editor