CollectiveAccess is free, open-source software for cataloguing and publishing museum and archival collections. We are currently evaluating and configuring the application for the INBO collections, in the context of the DiSSCo Flanders project (https://dissco-flanders.be/).
Now you have to manually add the coordinates values on the map:
Would it be possible to extract this from the decimalLatitude and decimalLongitude automatically?