Core in Wikimedia technology may refer to:
A core router is a type of Internet router,
- see "Core router" on Wikipedia, for information about the router in general.
- see Network design, for how core routers are used at Wikimedia Foundation.
- see Common Datacenter Specifications, for how core routers are installed at Wikimedia Foundation.
- see Network monitoring, for an operational manual relating to core routers at WMF.
Core databases refers to the MySQL clusters at Wikimedia Foundation that contain the databases of its MediaWiki websites (Wikipedia, Wikimedia Commons, Wikidata etc.)
The MediaWiki software is often referred to as "core" or "MediaWiki core", to distinguish it from the various MediaWiki extensions that add to the "core" functionality.
- Core (disambiguation) on Meta-Wiki, for concepts, teams, or organisations in the Wikimedia movement