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Comparison of Operating Systems

(last update: February 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: January 2022)
includes about 900 operating systems since the beginning of computing!

Comparison of Web Browsers

(last update: December 2022)
including Chrome, Edge, Safari, Firefox, Opera, Brave, and Vivaldi. Desktop, Android and iOS.

History of Web Browser Engines from 1990 until today

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

Comparison & List of Desktop Environments

(last update: December 2022)
including Microsoft Windows, Aqua (macOS), KDE Plasma, GNOME, Xfce, MATE, Cinnamon, and LXQt, and formerly also: CDE, Enlightenment, Trinity, Unity, Pantheon, Lumina, Deepin, Budgie, 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: January 2023) MAJOR UPDATE!
Timeline since 1990 showing the most important distributions and their default desktops (KDE, GNOME, Xfce and others)

Homogeneity of Linux distributions over time

(last update: December 2022) NEW!
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.

Comparison of Instant Messengers

(last update: January 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: December 2022)
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