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Commons Free shared media repository |
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Wikibooks Free textbooks and manuals |
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Wikiquote Free collection of quotations |
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Wikiversity Free learning resources |
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MediaWiki Wiki software development |
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Wikidata Free knowledge base |
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Wikisource Free-content library |
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Wikivoyage Free travel guide |
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Meta-Wiki Wikimedia project coordination |
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Wikinews Free-content news |
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Wikispecies Free directory of species |
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Wiktionary Free dictionary and thesaurus |
