Wikiversity is a project from the Wikimedia Foundation, along with a number of other projects - all of which are free content and all of which are developed through the medium of a wiki. These "sister projects" are listed below, along with a short description of each.
Media repository - Images, soundfiles etc.
Directory of species
These are not sister projects, per se, but are intrinsically related to the work of the Wikimedia Foundation.
Multilingual, multiproject collaboration
Details of the Wikimedia Foundation
- There are also various committees of the Wikimedia Foundation, and national chapters associated with the Foundation, many of which have their own wikis - details at m:Wikimedia committees and m:Wikimedia chapters
Development of and documentation on the mediawiki software that Wikimedia wikis run on
Language editions which do not yet have their own separate wiki, and test them whether to open one