w i k i +

a sentence haiku —five seven five syl·la·blesin only three lines

Commons

Free media repository

Wikibooks

Free textbooks and manuals

Wikiquote

Collection of quotations

Wikiversity

Free learning materials and activities

MediaWiki

MediaWiki

Wiki software development

Wikidata

Free knowledge base

Wikisource

Free-content library

Wikivoyage

Free travel guide

Meta-Wiki

Wikimedia project coordination

Wikinews

Free-content news

Wikispecies

Directory of species

Wiktionary

Dictionary and thesaurus

Wikidata
Wikivoyage
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