WikimediaOS

WikimediaOS (Previously known as WikipediaOS until 2003) is the official operating system of the Wikimedia Foundation.

2001
In February 2001, some Wikipedia editors started an unofficial project to port UseModWiki (The wiki engine that Wikipedia used back then) and Wikipedia to an operating system, adding features for common use and a desktop enviroment/user interface.

Versions 2-8
WikipediaOS 2

WikipediaOS 4

WikipediaOS 6

WikipediaOS 8

Versions 11-18
WikipediaOS 11

WikipediaOS 13

WikipediaOS 15

WikipediaOS 18

Version 22-30
WikimediaOS 22

WikimediaOS 26

WikimediaOS 30

TBA