VLC: a cross-platform media player and streaming server

IceWM: an X Window manager that emulates the looks of Motif, OS/2 and Windows

KMyMoney: a personal finance manager for KDE

Webmin: a web-based interface for Unix system administration

apache-tomcat: a Java Servlet and JSP Container

CUPS: a UNIX printing system based on the Internet Printing Protocol

QEMU: an open source machine emulator and virtualiser

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

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

Avidemux: a free video editor designed for simple cutting, filtering and encoding tasks

KDevelop: a C/C++ development environment

httpd: a high-performance HTTP server, Apache 2.x version series

Shotwell: an open-source digital photo organiser for GNOME

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

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

Git: an open source version control system

GNU GCC: the GNU compiler collection

Xfdesktop: a desktop manager for the Xfce desktop

Nmap: a utility for network exploration or security auditing

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