The license links on Special:Version for most of the Wikibase and DataValues libraries are broken and don't provide the license.

to help keep track of what has been fixed and what still needs to be fixed, here is a list of our libraries in use:

• DataValues:
  • common
  • data-types
  • data-values
  • geo
  • interfaces
  • javascript
  • number
  • serialization
  • time
  • validators
• Diff
• Serialization
• Wikibase
  • data-model https://github.com/wmde/WikibaseDataModel/pull/595
  • data-model-javascript https://github.com/wmde/WikibaseDataModelJavaScript/pull/55
  • data-model-serialization https://github.com/wmde/WikibaseDataModelSerialization/pull/184
  • data-model-services
  • internal-serialization https://github.com/wmde/WikibaseInternalSerialization/pull/91
  • javascript-api
  • serialization-javascript [done] https://github.com/wmde/WikibaseSerializationJavaScript/pull/27

also need fixing:

• PropertySuggester - https://github.com/Wikidata-lib/PropertySuggester/pull/153
• WikidataBuildResources

see also T123937 to move these to the "libraries" section of Special:Version, though some changes in core are needed to make it flexible enough for this. (or get our libraries into mediawiki/vendor would also solve this)