NE.se is a Swedish encyclopedia. Go to 'Tjänster' and choose amongst 'Uppslagsverk', 'Ordböcker', 'Play', 'Världens länder' or 'Världens religioner'.
You have access to NE.se if you are in school. The school offers the opportunity to create a personal account to use from home.
Landguiden is an encyclopedia about countries, conflicts and organisations. You have access to the database in school.