An example showing how to incorporate Leaflet and OpenStreetMaps into UniGUI. The following lines must be added to the ServerModule | CustomFiles: https://unpkg.com/leaflet@1.3.4/dist/leaflet.css https://unpkg.com/leaflet@1.3.4/dist/leaflet.js See the Mapbox Tab in the application for more details. P.S. I am no expert with Leaflet - please see the following for more details: Getting started with Leaflet OpenStreetMap Mapbox - the accessToken used fo