distributions: govdata.de, https://numis.niedersachsen.de/csw?REQUEST=GetRecordById&SERVICE=CSW&VERSION=2.0.2&id=15d75336-919e-4b66-a068-1db6c58d47a4&elementSetName=full, 0
Data license: CC BY 4.0 (portal directory, derived from Dateno); dataset metadata as each portal publishes it · Data source: Dateno, DataPortals.org, data.europa.eu, opendatArchives, and each portal's DCAT catalogue
This data as json