This building is called Solliden. It is a part of the Gamla Linköping open air museum. On the ground floor there is a museum apartment with a well preserved working class home from 1920s. Free admission. More information: https://gamlalinkoping.se/aktiviteter/solliden/

Historiska Kompaniet is a curiosity/antiques, gift and home decor shop with a café. Opening hours are not fixed, but varies by season.