Wikidata
Wikidata is a free and open knowledge base that can be read and edited by both humans and machines. It is built using MediaWiki and the Wikibase extension.
![](https://cdn.statically.io/img/upload.wikimedia.org/wikipedia/commons/thumb/6/66/Wikidata-logo-en.svg/220px-Wikidata-logo-en.svg.png)
Wikidata logo
For more information see Wikidata's own site, the Wikidata article on Wikipedia, and the operations manuals at wikitech:WMDE/Wikidata.