Wikimedia

Reference

WikipediaThe Free Encyclopedia

WiktionaryFree dictionary

WikiquoteFree quote compendium

WikibooksFree textbooks

Collections

CommonsFree media collection

WikisourceFree content library

WikiversityFree learning resources

WikispeciesFree content library

Technology

WikidataFree knowledge base

WikifunctionsFree function library

MediaWikiFree & open wiki software

Guides

WikivoyageFree travel guide

WikinewsFree news source

Collaboration

Meta-WikiCommunity coordination & documentation

The Wikimedia Foundation is the non-profit organization that hosts all Wikimedia projects and supports communities all over the world who create and curate freely accessible content.

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