- wikimedia.org

Wikimedia is a global movement whose mission is to bring free educational content to the world.

- wiktionary.org

- wikipaedia.net

- wikibooks.org

Wikibooks is a Wikimedia community creating a free library of educational textbooks that anyone can edit.

- wikiquote.org

- wikisource.org

- mediawiki.org

- wikidata.org

- wikiversity.org

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

- wikivoyage.org

Wikivoyage, the free, worldwide travel guide that anyone can edit.

- wikinews.org

- wikipedia.com

- wikiartpedia.org

- wikimediafoundation.org

- toolserver.org