Current information about the Studierendenwerk facilities in times of the pandemic can be found here.
This café is in the glassed over courtyard of the Herder building where the institute for forestry and the Antiquities and Cast Collection of the University of Freiburg are found. Other than fair-trade coffee, the café also offers tea, other beverages, salads, sandwiches and snacks. On the wood terrace student enjoy a Mediterranean flare in the courtyard.
By the way: If you bring your own cup you will have to pay 10 ct less for all hot beverages.