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Wikimedia Projects – Wikimedia Foundation

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Our Work

Wikimedia Projects

The Wikimedia Foundation supports hundreds of thousands of people around the world in creating the largest free knowledge projects in history. The work of volunteers helps millions of people around the globe discover information, contribute knowledge, and share it with others no matter their bandwidth.

Reference

  • Wikipedia

    All the world's knowledge

    Wikipedia is a free, collaborative encyclopedia written in 300 languages by volunteers around the world.

  • Wikibooks

    E-book textbooks and annotated texts

    Wikibooks aims to build a collection of free e-book resources including textbooks, annotated texts, instructional guides, and manuals.

  • Wiktionary

    A dictionary for over 170 languages

    Wiktionary is a free multilingual dictionary. The project aims to describe all words of all languages. It includes language resources such as a thesaurus, rhyme guide, and language statistics.

  • Wikiquote

    Find quotes across your favorite books, movies, authors and more

    Wikiquote is a online collection of sourced quotations from notable people and creative works in over 75 languages. It also includes proverbs, mnemonics and slogans.

Collections

  • Wikimedia Commons

    47 million images, photographs, videos and music files and counting

    Wikimedia Commons is the world’s largest free-to-use library of illustrations, photos, drawings, videos, and music.

  • Wikisource

    The free library

    Wikisource is a library of freely-licensed source texts and historical documents, including poetry, government documents, constitutions of many countries, and general literature.

  • Wikiversity

    Access learning resources, projects and research at any level of study

    Wikiversity is devoted to learning resources, learning projects, and research for use in all levels, types, and styles of education.

  • Wikispecies

    The free species directory

    Wikispecies is a species database for taxonomy that covers living and fossil representatives of Animalia, Plantae, Fungi, Bacteria, Archaea, Protista and all other forms of life.

Technology

  • Wikidata

    The database of structured information collaboratively edited

    Wikidata acts as central storage of structured data for Wikimedia projects. Structuring data into a machine-readable format makes it easier to view, search, edit, curate, use and re-use files.

  • MediaWiki

    The software platform that makes Wikipedia possible

    MediaWiki is free and open source wiki software that anyone can use and develop. It is the platform on which Wikimedia projects are built.

Guides

  • Wikivoyage

    The ultimate travel guide

    Wikivoyage aims to create the world's largest free, complete and up-to-date worldwide travel guide.

  • Wikinews

    The free news source

    Wikinews provides a free content alternative to commercial news sites with articles that are fact-checked and peer reviewed.

Collaboration

  • Meta-Wiki

    Project coordination software tool for global collaboration

    Meta-Wiki is a project used as a central hub for various coordination and organization tasks, such as discussions affecting multiple wikis or planning upcoming events.

Help us unlock the world’s knowledge.

As a nonprofit, Wikipedia and our related free knowledge projects are powered primarily through donations.

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Photo credits

Art+Feminism Wikipedia edit-a-thon

Jens Mohr

CC BY-SA 3.0