Commons Free media repository |
MediaWiki Wiki software development |
Meta-Wiki Wikimedia project coordination |
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Wikibooks Free textbooks and manuals |
Wikidata Free knowledge base |
Wikinews Free-content news |
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Wikiquote Collection of quotations |
Wikisource Free-content library |
Wikispecies Directory of species |
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Wikiversity Free learning materials and activities |
Wikivoyage Free travel guide |
Wiktionary Dictionary and thesaurus |