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Comparison of Operating Systems

(last update: September 2023)
including Windows, macOS, iOS, Android, Chrome OS, GNU/Linux, FreeBSD, NetBSD, OpenBSD, DragonFly BSDNEW!, Illumos, Haiku, ArcaOS, RISC OS, MorphOS, AmigaOS, AROSNEW!, and OpenVMSNEW!.
Also shown: Market share of consumer operating systems since 1970!

Operating Systems: Timeline and Family Tree

(last update: April 2023)
includes about 1,130 operating systems since the beginning of computing!

Comparison of Web Browsers

(last update: September 2023)
including Chrome, Edge, Safari, Firefox, Opera, Brave, and Vivaldi. Desktop, Android and iOS.

History of Web Browser Engines from 1990 until today

(last update: April 2023)
Many tried, few remain. Will any Chromium competitors be left in a few years?

Comparison & List of Desktop Environments

(last update: September 2023)
including Microsoft Windows, Aqua (macOS), KDE Plasma, GNOME, Xfce, MATE, Cinnamon, LXQt, Budgie and formerly also: CDE, Enlightenment, Trinity, Unity, Pantheon, Lumina, Deepin, and UKUI.
Also includes are very exhaustive list of available desktop environments, including discontinued and mobile ones.
Also shown: Screenshots and short personal reviews of all the major desktops!

Default Desktop Environments for Linux and Unix

(last update: August 2023)
Timeline since 1990 showing the most important distributions and their default desktops (KDE, GNOME, Xfce and others)

Comparison of Linux Distributions NEW!

(last update: September 2023)
Comparison of 20 Linux distributions: Debian, Ubuntu, Linux Mint, openSUSE Tumbleweed, openSUSE MicroOS, SUSE Linux Enterprise, Fedora Workstation, Fedora Immutable Desktop, Red Hat Enterprise Linux, OpenMandriva, Mageia, PCLinuxOS, Arch, Slackware, Gentoo, Alpine, Void, NixOS, Guix System, and Solus.

Linux distributions over time

(last update: April 2023)
How different are they and how different have they been? Looking at the most important distributions and their choice of desktop environment, widget toolkit, display server, package format, file system, init sofware, and security module from the year 2000 until today. NEW: A look at the relative popularity of Linux distributions over time, measured by Distrowatch hits.

Comparison of Android ROMs NEW!

(last update: September 2023)
Comparison of 7 Android ROMs: GrapheneOS, DivestOS, CalyxOS, iodeOS, /e/, LineageOS, and stock Android.

Comparison of Instant Messengers

(last update: August 2023)
including XMPP/Conversations, Delta Chat, Matrix/Element, Signal, Telegram, Threema, Facebook Messenger, Line, Viber, and WhatsApp

Comparison of Cloud, Sync & Email services

(last update: July 2023)
Who can compete with Apple, Microsoft and Google while offering more privacy and features? Comparison of about 40 different providers with some recommendations at the end