General Information:
EU-Community: http://eu-community.daad.de/index.php?id=71
EURES-Portal: https://ec.europa.eu/eures/main.jsp?acro=lw&lang=de&catId=490&parentId=0

Visa: 
Visa types and requirements: https://www.udi.no/en/want-to-apply/

Entry and residence requirements:
Just Landed “Visas and Permits”: justlanded.com/...
Norway’s official websites abroad: norway.info/

Social insurance provisions:
Social Security: justlanded.com/...

European health insurance card:
European health insurance card: sjukra.is/...

Tax regulations:
Taxation: justlanded.com/...
EURAXESS Norway: euraxess.no/...
The Norwegian University of Science and Technology about Taxes: ntnu.edu/...

Accommodation:
Gabino Home: norway.gabinohome.com/...

Country information:
Visit Norway: visitnorway.com/
Wikipedia: en.wikipedia.org/...

Further information:
Just Landed: justlanded.com/