Open.NRW publishes 11,099 open datasets for Germany. Browse them live in Vizzie and turn any one into a map or chart.
Open.NRW is the open-data portal for Germany, covering North Rhine-Westphalia. It runs on CKAN, an open catalogue standard used by many national governments. You can browse it directly at open.nrw.
On Open.NRW, most datasets here are clearly licensed — only a small share are undeclared. It's important to know that "no licence declared" is not the same as public-domain or free-to-use. Undeclared data carries no explicit permission to copy, adapt, or redistribute it — so reusers should treat it cautiously and check with the publisher before relying on it. Vizzie flags each dataset's licence (or its absence) so you can see this before you build.
Of the 7,822 datasets here whose licence Vizzie can identify, essentially all of them can be used commercially. Attribution is required by almost every open licence — Vizzie writes the attribution line for you when you export or publish.
Declares licences as DCAT-AP.de URIs, not CKAN ids: 182 of 200 sampled are http://dcat-ap.de/def/licenses/dl-zero-de/2.0 and 18 are dl-by-de/2.0. Both URI forms are aliased; without them this portal resolved 91%…
No download, no GIS specialist. Opens in Vizzie.