Wikiversity is a community effort to learn and facilitate others' learning. You can use Wikiversity to find information or ask questions about a subject you need to find out more about. Or share your knowledge about a subject and build learning materials around that knowledge.
Wikidata is a free linked database that can be read and edited by both humans and machines. Wikidata acts as central storage for the structured data of its Wikimedia sister projects including Wikipedia, Wikivoyage, Wikisource, and others