Install datovka by entering the following commands in the terminal:
sudo apt update sudo apt install datovka
Description:
Czech Data Boxes client
Datovka is a rich desktop client to access messages stored in the Czech Data Boxes system (databox) . The client provides access to multiple databoxes from one interface and also can be used to store sent and received messages indefinitely on a local system. . It's mostly useful only to a Czech citizens.
Homepage: http://www.datovka.cz
Version: 4.9.3-2build1
Section: universe/x11