CUPS: a UNIX printing system based on the Internet Printing Protocol
Vivaldi: a free, cross-platform, proprietary web browser developed by Vivaldi Technologies
Google Chromium: an open-source edition of Google Chrome, a graphical web browser
NVIDIA: a proprietary display driver for Linux, FreeBSD and Solaris
Mesa: a 3D graphics library
Mozilla Thunderbird: a full-featured e-mail and newsgroup client
Audacity: a free audio editor
snapd: a tool to support and manage .snap applications that are portable across different Linux systems
systemd: a system and service manager for Linux
DNF: a new package management library and a fork of yum
apache-tomcat: a Java Servlet and JSP Container
QEMU: an open source machine emulator and virtualiser