Docker - https://www.docker.com/

Podman - https://podman.io/

Kubernetes - https://kubernetes.io/

Jitsi - https://jitsi.org/

Mumble - https://www.mumble.info/

Cockpit - https://cockpit-project.org/

Azure -https://azure.microsoft.com/en-us/free

Google Cloud - https://cloud.google.com/

AWS - https://aws.amazon.com/

K3S - https://k3s.io/

Docker Swarm - https://docs.docker.com/engine/swarm/

AppArmor - https://apparmor.net/

Python - https://www.python.org/

Banshee Video Card (3dfx) - https://www.techpowerup.com/gpu-specs/voodoo-banshee-agp-16-mb.c3561

GIS - https://www.esri.com/en-us/what-is-gis/overview

GPS - https://www.gps.gov/

Java - https://www.java.com/en/

Ruby - https://www.ruby-lang.org/en/

Groovy - https://groovy-lang.org/

Grails - https://grails.org/

Forth - https://www.forth.com/forth/

V (programming language) - https://vlang.io/

BSD - https://www.bsd.org/

ZFS - https://arstechnica.com/information-technology/2020/05/zfs-101-understanding-zfs-storage-and-performance/

Slackware - http://www.slackware.com/

Absolute Linux - https://www.absolutelinux.org/

Windows 3.11 - https://winworldpc.com/product/windows-3/311

DOS 6.22 - https://winworldpc.com/product/ms-dos/622

Storm Linux - https://distrowatch.com/table.php?distribution=storm

Alpine Linux - https://www.alpinelinux.org/

Turbo Linux - https://distrowatch.com/table.php?distribution=turbolinux

Mepis Linux - https://distrowatch.com/table.php?distribution=mepis

Sparky Linux - https://sparkylinux.org/

DistroWatch - https://distrowatch.com/

Mandrake Linux - https://static.lwn.net/2000/features/LinuxMandrake.php3

Mandriva - https://distrowatch.com/table.php?distribution=mandriva

Fedora Linux - https://fedoraproject.org/

Windows XP - https://en.wikipedia.org/wiki/Windows_XP

Oxford University - https://www.ox.ac.uk/

Cambridge University - https://www.cam.ac.uk/

HTML - https://www.w3schools.com/html/

CSS - https://www.w3schools.com/css/

Javascript - https://www.javascript.com/

Freenode IRC - https://freenode.net/

KDE - https://kde.org/

Manjaro - https://manjaro.org/

Unity - https://unityd.org/

OpenSuse - https://www.opensuse.org/

Enlightenment - https://www.enlightenment.org/

Fluxbox - http://fluxbox.org/

Mate - https://mate-desktop.org/

GTK - https://www.gtk.org/

Vanilla OS - https://vanillaos.org/

Fedora SilverBlue - https://fedoraproject.org/atomic-desktops/silverblue/

Ubuntu Core - https://ubuntu.com/core

Virtual Box - https://www.virtualbox.org/

Temple OS - https://templeos.org/

Dos Box - https://www.dosbox.com/

Thunderbird - https://www.thunderbird.net/en-US/

Gecko (browser engine) - https://en.wikipedia.org/wiki/Gecko_(software)

Graphene OS - https://grapheneos.org/

UBports - https://ubports.com/en/

Nokia "brick" phone - https://en.wikipedia.org/wiki/Nokia_3310

PineTab 2 - https://wiki.pine64.org/wiki/PineTab2

Pine Note - https://pine64.org/devices/pinenote/

Pulse Audio - https://www.freedesktop.org/wiki/Software/PulseAudio/

In Memory Of 5150 - https://linuxlugcast.com/index.php/category/5150/

HAM Radio - http://www.arrl.org/what-is-ham-radio

ICQ Chat - https://icq.com/desktop/en?#windows