UseModWiki is a wiki engine

Wiki software

Wiki software is collaborative software that runs a wiki, i.e., a website that allows users to create and collaboratively edit web pages via a web browser. A wiki system is usually a web application that runs on one or more web servers...

 written in the Perl

Perl

Perl is a high-level, general-purpose, interpreted, dynamic programming language. Perl was originally developed by Larry Wall in 1987 as a general-purpose Unix scripting language to make report processing easier. Since then, it has undergone many changes and revisions and become widely popular...

 programming language. It is licensed under the GNU General Public License

GNU General Public License

The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

. Pages in UseModWiki are stored in ordinary files

Flat file database

A flat file database describes any of various means to encode a database model as a single file .- Overview :...

, not in a relational database

Relational database

A relational database is a database that conforms to relational model theory. The software used in a relational database is called a relational database management system . Colloquial use of the term "relational database" may refer to the RDBMS software, or the relational database itself...

. Something similar to the interface can be seen in MediaWiki

MediaWiki

MediaWiki is a popular free web-based wiki software application. Developed by the Wikimedia Foundation, it is used to run all of its projects, including Wikipedia, Wiktionary and Wikinews. Numerous other wikis around the world also use it to power their websites...

 with the classic skin.

History

Clifford Adams based UseModWiki on the code of AtisWiki by Marcus Denker. AtisWiki was based on CvWiki by Peter Merel. CvWiki was the first GNU-licensed wiki based on WikiBase, the wiki engine of the original WikiWikiWeb

WikiWikiWeb

WikiWikiWeb is a term that has been used to refer to four things: the first wiki, or user-editable website, launched on 25 March 1995 by Ward Cunningham as part of the Portland Pattern Repository ; the Perl-based application that was used to run it, also developed by Cunningham, which was the first...

 by Ward Cunningham

Ward Cunningham

Howard G. "Ward" Cunningham is an American computer programmer who developed the first wiki. A pioneer in both design patterns and Extreme Programming, he started programming the software WikiWikiWeb in 1994 and installed it on the website of his software consultancy, Cunningham & Cunningham , on...

.

The first installation of UseModWiki was Adams's usemod.com wiki, the basis of the Usenet Moderation Project (Usemod) which had been running on AtisWiki since October 11, 1999. The second wiki to use UseModWiki, the MeatballWiki

MeatballWiki

MeatballWiki is a wiki dedicated to online communities, network culture, and hypermedia.Founded in 2000, its original goal was to focus on collaborative hypermedia, but current topics range from intellectual property to cyberpunk to the confusion of URIs....

 created by Adams and Sunir Shah dedicated to online communities, was installed on the usemod.com Web site on April 24, 2000.

From January 15, 2001 until early 2002, UseModWiki was also used to run Wikipedia

Wikipedia

Wikipedia is a free, web-based, collaborative, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. Its 20 million articles have been written collaboratively by volunteers around the world. Almost all of its articles can be edited by anyone with access to the site,...

. All language instances of Wikipedia have since been moved over to MediaWiki

MediaWiki

MediaWiki is a popular free web-based wiki software application. Developed by the Wikimedia Foundation, it is used to run all of its projects, including Wikipedia, Wiktionary and Wikinews. Numerous other wikis around the world also use it to power their websites...

.

WikiWikiWeb

WikiWikiWeb

WikiWikiWeb is a term that has been used to refer to four things: the first wiki, or user-editable website, launched on 25 March 1995 by Ward Cunningham as part of the Portland Pattern Repository ; the Perl-based application that was used to run it, also developed by Cunningham, which was the first...

's sister wiki the Adjunct, started in July 2005, also runs on UseModWiki.

UseModWiki versions

Date	Version
January 22, 2000	0.70
June 18, 2000	0.80
July 15, 2000	0.82
August 26, 2000	0.86
October 12, 2000	0.88
December 24, 2000	0.90
February 16, 2001	0.91
April 21, 2001	0.92
September 12, 2003	1.00
June 9, 2007	1.01
August 26, 2007	1.02
September 12, 2007	1.03
December 1, 2007	1.04
August 28, 2009	1.05

Derivatives

Among the wiki engines derived from UseModWiki are:

• Oddmuse
  Oddmuse
  Oddmuse is a wiki engine. It is free software, licensed under the GNU General Public License. Oddmuse is based on UseModWiki version 0.92, and many patches published on the UseMod site. The programs have diverged since the fork...
  
  : derived from UseModWiki 0.92
• Habitat: derived from UseModWiki 1.0

External links

• Official website
• List of sites running UseModWiki
• Introducing UseModWiki
• Which Open Source Wiki Works For You? (ONLamp.com)