User:Klaas van Buiten/Sources

All major projects of the Wikimedia Foundation are collaboratively developed by its users using the MediaWiki software. All contributions are licensed under the GNU Free Documentation License (except Wikinews, which is licensed under Creative Commons Attribution 2.5), meaning that their content may be freely used, freely edited, freely copied and freely redistributed subject to the restrictions of that license. See also our link to all projects.

Please note that whilst other sites may also use MediaWiki software and therefore look similar to our projects, or may have a name that includes 'Wiki-' or '-pedia', or a similar domain name, the only projects which are part of the Wikimedia Foundation are those listed below.

Wikidata is a free and open knowledge base that can be read and edited by both humans and machines.

Wikidata acts as central storage for the structured data of its Wikimedia sister projects including Wikipedia, Wikivoyage, Wiktionary, Wikisource, and others. Wikidata also provides support to many other sites and services beyond just Wikimedia projects! The content of Wikidata is available under a free license, exported using standard formats, and can be interlinked to other open data sets on the linked data web.

Wikipedia is a project to build free encyclopedias in all languages of the world. Virtually anyone with Internet access is free to contribute, by contributing neutral, cited information.

Wikipedia started in January 2001, and currently offers more than eight million articles in 250 languages. The largest Wikipedia is in English, with more than two million articles; it's followed by the German and French editions, each of which contain more than half a million articles. Nine other language editions contain 100,000+ articles, and more than 100 other languages contain 1,000+ articles.

Wikipedia is also known for its community. In 2004 Wikipedia won the Webby Award for "Community" and the Prix Ars Electronica's Golden Nica for "Digital Communities". Since the start of the project, over 100,000 registered users have made at least ten edits.^[1] The total number of accounts created on the English Wikipedia alone exceeds 3.4 million. However, most edits on that language edition come from around one thousand of the most dedicated users.

Some Wikipedias release or plan to release regular snapshots. The German Wikipedia is released twice a year as a DVD, in collaboration with Directmedia Publishing, and the Polish Wikipedia has released one DVD of content.

• Multilingual portal
• English Wikipedia
• German Wikipedia
• French Wikipedia
• Full list of languages

Wiktionary is a project to create a multilingual free content dictionary in every language. This means each project seeks to use a particular language to define all words in all languages. It actually aims to be much more extensive than a typical dictionary, including thesauri, rhymes, translations, audio pronunciations, etymologies, and quotations. The project started in December 2002, and as of January 2008 is available in over 100 languages with over 3,000,000 entries in all. The largest language edition is French, followed by English, Vietnamese and Turkish. All four of them have more than 150,000 entries each, while 8 languages in total have more than 100,000 entries each. 61 other languages have at least 1,000 entries.

Wiktionary has been collaborating with the Wikimedia Commons. Many sound files have been uploaded to Commons, to provide Wiktionary and other projects with examples of pronunciation.

• Multilingual portal
• French Wiktionary
• English Wiktionary
• Vietnamese Wiktionary
• Turkish Wiktionary
• Full list of languages

Wikiquote is a repository of quotations taken from famous people, books, speeches, films or any intellectually interesting materials. Proverbs, mnemonics or slogans are also included in Wikiquote.

The project started in July 2003; As of January 2008, it includes over 75,000 pages in almost 50 languages. The largest Wikiquote is in English with over 10,000 pages. The German, Italian, and Polish, each over 5,000 articles.

• Multilingual portal
• English Wikiquote
• German Wikiquote
• Italian Wikiquote
• Polish Wikiquote
• Full list of languages

Wikibooks aims to build a collection of free e-book resources, including textbooks, language courses, manuals, and annotated public domain books. It aims to help both (self-)instruction of students, and teachers in high-schools and universities.

As of January 2008, the largest Wikibooks is in the English language, with over 27,000 modules from over 3,000 developing books. The German and Portuguese follow, each has over 5,000 modules. The project started in July 2003 and now has over 84,000 modules from over 5,000 developing books, across over 50 languages.

• Multilingual portal
• English Wikibooks
• German Wikibooks
• Portuguese Wikibooks
• Full list of languages

Wikisource is a multilingual project, started in November 2003, to archive a collection of texts that could be distributed as free and open content. It is not only a superior format for storing classics, laws, and other free works as hypertext, but it also serves as base for translating these texts. At the beginning, source texts in all languages (except Hebrew) were all on one wiki. However, Wikisource now has several editions in many individual languages.

As of January 2008, Wikisource offers 315,000 source texts in total. The largest is the English Wikisource, with over 70,000 works.

• Wikisource (multilingual)
• English Wikisource
• French Wikisource
• Spanish Wikisource
• Full list of languages

Wikispecies is an open, wiki-based project to provide a central, more extensive species database for taxonomy. Wikispecies is aimed specifically at the needs of scientific users, and as of January 2008, has over 115,000 entries. There are plans to help Wikispecies collaborate with the Encyclopedia of Life project when the latter is more fully underway.

• Wikispecies

The Wikinews project was launched in December 2004 with the mission to report the news on a wide variety of subjects. As of January 2008, 23 language versions of Wikinews have been launched, producing more than 48,000 news articles in total; Some Wikinews including English one can be subscribed through RSS feeds and over 11,000 people subscribed to the English Wikinews through RSS feeds.

Contributors from around the world write news articles collaboratively. Reports range from original reporting and interviews to summaries of news from external sources. All of them are required to be written from a neutral point of view.

Currently Wikinews has two aims: providing a free content alternative to commercial news sites and making sure that articles are fact-checked and reviewed thoroughly.

• Multilingual portal
• English Wikinews
• German Wikinews
• Polish Wikinews
• Italian Wikinews
• Full list of languages

Wikiversity is a project dedicated to learning materials and learning communities, as well as research. It was set up as a Wikimedia project (in "beta" phase), on 15th August, 2006, with the English and German Wikiversities, as well as the multilingual co-ordination hub. Since then, these have been joined by the French, Greek, Italian and Spanish Wikiversities. Despite what its name may suggest, Wikiversity is not limited to university (or tertiary) level materials, but is open to materials and communities of all learner levels. The way it can facilitate learning activities and communities is still being explored, but is centred around the model of 'learning by doing', or 'experiential learning'.

• Multilingual portal
• English Wikiversity
• French Wikiversity
• German Wikiversity
• Greek Wikiversity
• Italian Wikiversity
• Spanish Wikiversity
• Multilingual co-ordination Wikiversity

A free worldwide travel guide that you can edit.
The official, non-commercial sister site of Wikipedia
for sightseeing, activities, cuisine and accommodation around the world.
See Wikivoyage, its Wikipedia article, or its website for more information.

• Its website in:
• Deutsch
• English
• Español
• Français
• Italiano
• Nederlandsh
• Português

Wikimedia Commons was launched in September 2004 to provide a central repository for free photographs, diagrams, maps, videos, animations, music, sounds, spoken texts, and other free media. It is a multilingual project with contributors speaking dozens of languages, that serves as a central repository for all Wikimedia projects.

The project is growing rapidly. In October 2007, it reached two million multimedia files, less than a year after reaching one million. Wikimedia Commons received an honorary mention for Digital Community at the 2005 Prix Ars Electronica awards in May 2005.

The project has two community-driven mechanisms for highlighting quality contributions: Featured pictures which acknowledge the cream of the crop, and Quality images, which recognise well-composed creations by Wikimedia editors. Since 2006 it has run a Picture of the Year competition, which invites the wider Wikimedia community to share in the celebration of the inspiring free content imagery. Two pages, Meet our photographers and Meet our illustrators, showcase a selection of the highly skilled contributors who choose to use free content licenses and donate their work to the Wikimedia Commons.

For more information on Commons, please see Spotlight on Wikimedia Commons.

• Wikimedia Commons

MediaWiki is a wiki engine released under the GPL. The MediaWiki software is used by all Wikimedia projects and many other sites.

In 2005 MediaWiki won the prize at les Trophées du Libre in the category special php prize. As of 2007, MediaWiki is in use by many, many websites and projects around the world, and has been downloaded over 1 million times from the SourceForge software archive.

See MediaWiki, its Wikipedia article, or its website for more information.

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