Wiki

Wiki. A wiki is a type of collaborative website whose content can be directly edited by users through a web browser, typically using a simplified markup language. The term originates from the Hawaiian language word for "quick," reflecting the speed with which pages can be created and updated. The most famous example is the online encyclopedia Wikipedia, operated by the Wikimedia Foundation, but the underlying wiki software and concept power countless other knowledge bases, corporate intranets, and community projects across the World Wide Web.

History

The wiki concept was invented by American programmer Ward Cunningham, who created the first wiki, WikiWikiWeb, in 1995. He installed it on the domain of his software consultancy, Cunningham & Cunningham, intending it as a collaborative space for discussions about software design patterns. The model gained significant traction within the technology community, notably on sites like the Portland Pattern Repository. The technology's potential for mass collaboration was realized with the launch of Wikipedia in 2001 by Jimmy Wales and Larry Sanger, which popularized the wiki model globally. Subsequent projects under the Wikimedia umbrella, such as Wiktionary, Wikibooks, and Wikisource, further demonstrated the versatility of the format. The development of open-source wiki engines like MediaWiki, which powers Wikipedia, and alternatives like TWiki and DokuWiki, enabled widespread adoption beyond the initial tech circles.

Characteristics

The defining characteristic of a wiki is the ease with which users can edit pages, often without requiring registration, though many sites implement varying levels of permission. Most wikis maintain a complete version history of every page, allowing edits to be tracked and reverted, a feature critical for combating vandalism and error. They also facilitate the creation of internal links between pages using simple syntax, building a dense web of interconnected knowledge. A fundamental communal principle is the assumption of good faith among contributors. While content can be structured, wikis are inherently flexible and organic, often eschewing a top-down, predetermined hierarchy in favor of emergent organization through community consensus and practices like wiki markup.

Software

Wiki functionality is powered by dedicated wiki software or engines, which are often released as open-source software. The most prominent is MediaWiki, a PHP-based system developed for and by the Wikimedia Foundation; it is designed to handle massive, high-traffic projects. Other notable engines include TWiki and Foswiki, which are structured around the concept of "wikiapplications," and DokuWiki, which emphasizes simplicity and stores data in plain text files without a database. Confluence, developed by Atlassian, is a commercial wiki solution widely used in corporate environments. These platforms provide the underlying infrastructure for page creation, user management, and the implementation of essential features like talk pages for discussion and special pages for site maintenance.

Uses

Wikis are employed for a vast array of collaborative purposes. The most public use is in creating large-scale, public knowledge bases like Wikipedia, Wikivoyage for travel, and community-driven fandom sites hosted on platforms like Fandom. Within organizations, private wikis serve as intranets for documenting procedures, project management, and internal knowledge sharing, used by companies from Google to small startups. In education, teachers use wikis like those on PBworks for group assignments and collaborative writing. They are also integral to the workflow of many open-source software projects, such as those on GitHub, for maintaining documentation and developer notes, and are used by communities for event planning, as seen with the organization of BarCamp unconferences.

Impact

The wiki has had a profound impact on the digital world, fundamentally demonstrating the potential of mass collaboration and crowdsourcing. Wikipedia stands as one of the top-visited websites globally, challenging traditional notions of authority and encyclopedic knowledge production, and has been the subject of extensive study by researchers at institutions like the MIT and Harvard University. The model has influenced the development of other collaborative platforms, including citizen science projects and the broader Web 2.0 movement. Wikis have also transformed internal corporate and institutional communication, becoming a standard tool for knowledge management. Critically, they have fostered global communities of practice, from open-source software developers to academic researchers, enabling decentralized peer production on an unprecedented scale.

Category:Collaborative software Category:Wiki Category:Internet terminology