diff --git a/vendor/assets/javascripts/leaflet-providers.js b/vendor/assets/javascripts/leaflet-providers.js
index 208b6257d0..6d8349839b 100644
--- a/vendor/assets/javascripts/leaflet-providers.js
+++ b/vendor/assets/javascripts/leaflet-providers.js
@@ -219,66 +219,16 @@
 			}
 		},
 		CyclOSM: {
-			url: 'https://dev.{s}.tile.openstreetmap.fr/cyclosm/{z}/{x}/{y}.png',
+			url: 'https://{s}.tile-cyclosm.openstreetmap.fr/cyclosm/{z}/{x}/{y}.png',
 			options: {
 				maxZoom: 20,
 				attribution: '<a href="https://github.com/cyclosm/cyclosm-cartocss-style/releases" title="CyclOSM - Open Bicycle render">CyclOSM</a> | Map data: {attribution.OpenStreetMap}'
 			}
 		},
-		OpenMapSurfer: {
-			url: 'https://maps.heigit.org/openmapsurfer/tiles/{variant}/webmercator/{z}/{x}/{y}.png',
-			options: {
-				maxZoom: 19,
-				variant: 'roads',
-				attribution: 'Imagery from <a href="http://giscience.uni-hd.de/">GIScience Research Group @ University of Heidelberg</a> | Map data '
-			},
-			variants: {
-				Roads: {
-					options: {
-						variant: 'roads',
-						attribution: '{attribution.OpenMapSurfer}{attribution.OpenStreetMap}'
-					}
-				},
-				Hybrid: {
-					options: {
-						variant: 'hybrid',
-						attribution: '{attribution.OpenMapSurfer}{attribution.OpenStreetMap}'
-					}
-				},
-				AdminBounds: {
-					options: {
-						variant: 'adminb',
-						maxZoom: 18,
-						attribution: '{attribution.OpenMapSurfer}{attribution.OpenStreetMap}'
-					}
-				},
-				ContourLines: {
-					options: {
-						variant: 'asterc',
-						maxZoom: 18,
-						minZoom: 13,
-						attribution: '{attribution.OpenMapSurfer} <a href="https://lpdaac.usgs.gov/products/aster_policies">ASTER GDEM</a>'
-					}
-				},
-				Hillshade: {
-					options: {
-						variant: 'asterh',
-						maxZoom: 18,
-						attribution: '{attribution.OpenMapSurfer} <a href="https://lpdaac.usgs.gov/products/aster_policies">ASTER GDEM</a>, <a href="http://srtm.csi.cgiar.org/">SRTM</a>'
-					}
-				},
-				ElementsAtRisk: {
-					options: {
-						variant: 'elements_at_risk',
-						attribution: '{attribution.OpenMapSurfer}{attribution.OpenStreetMap}'
-					}
-				}
-			}
-		},
 		Hydda: {
 			url: 'https://{s}.tile.openstreetmap.se/hydda/{variant}/{z}/{x}/{y}.png',
 			options: {
-				maxZoom: 18,
+				maxZoom: 20,
 				variant: 'full',
 				attribution: 'Tiles courtesy of <a href="http://openstreetmap.se/" target="_blank">OpenStreetMap Sweden</a> &mdash; Map data {attribution.OpenStreetMap}'
 			},
@@ -288,18 +238,73 @@
 				RoadsAndLabels: 'roads_and_labels'
 			}
 		},
-		MapBox: {
-			url: 'https://api.tiles.mapbox.com/v4/{id}/{z}/{x}/{y}{r}.png?access_token={accessToken}',
+		Jawg: {
+			url: 'https://{s}.tile.jawg.io/{variant}/{z}/{x}/{y}{r}.png?access-token={accessToken}',
 			options: {
 				attribution:
-					'<a href="https://www.mapbox.com/about/maps/" target="_blank">&copy; Mapbox</a> ' +
+					'<a href="http://jawg.io" title="Tiles Courtesy of Jawg Maps" target="_blank">&copy; <b>Jawg</b>Maps</a> ' +
+					'{attribution.OpenStreetMap}',
+				minZoom: 0,
+				maxZoom: 22,
+				subdomains: 'abcd',
+				variant: 'jawg-terrain',
+				// Get your own Jawg access token here : https://www.jawg.io/lab/
+				// NB : this is a demonstration key that comes with no guarantee
+				accessToken: '<insert your access token here>',
+			},
+			variants: {
+				Streets: 'jawg-streets',
+				Terrain: 'jawg-terrain',
+				Sunny: 'jawg-sunny',
+				Dark: 'jawg-dark',
+				Light: 'jawg-light',
+				Matrix: 'jawg-matrix'
+			}
+		},
+		MapBox: {
+			url: 'https://api.mapbox.com/styles/v1/{id}/tiles/{z}/{x}/{y}{r}?access_token={accessToken}',
+			options: {
+				attribution:
+					'&copy; <a href="https://www.mapbox.com/about/maps/" target="_blank">Mapbox</a> ' +
 					'{attribution.OpenStreetMap} ' +
 					'<a href="https://www.mapbox.com/map-feedback/" target="_blank">Improve this map</a>',
-				subdomains: 'abcd',
-				id: 'mapbox.streets',
+				tileSize: 512,
+				maxZoom: 18,
+				zoomOffset: -1,
+				id: 'mapbox/streets-v11',
 				accessToken: '<insert your access token here>',
 			}
 		},
+		MapTiler: {
+			url: 'https://api.maptiler.com/maps/{variant}/{z}/{x}/{y}{r}.{ext}?key={key}',
+			options: {
+				attribution:
+					'<a href="https://www.maptiler.com/copyright/" target="_blank">&copy; MapTiler</a> <a href="https://www.openstreetmap.org/copyright" target="_blank">&copy; OpenStreetMap contributors</a>',
+				variant: 'streets',
+				ext: 'png',
+				key: '<insert your MapTiler Cloud API key here>',
+				tileSize: 512,
+				zoomOffset: -1,
+				minZoom: 0,
+				maxZoom: 21
+			},
+			variants: {
+				Streets: 'streets',
+				Basic: 'basic',
+				Bright: 'bright',
+				Pastel: 'pastel',
+				Positron: 'positron',
+				Hybrid: {
+					options: {
+						variant: 'hybrid',
+						ext: 'jpg'
+					}
+				},
+				Toner: 'toner',
+				Topo: 'topo',
+				Voyager: 'voyager'
+			}
+		},
 		Stamen: {
 			url: 'https://stamen-tiles-{s}.a.ssl.fastly.net/{variant}/{z}/{x}/{y}{r}.{ext}',
 			options: {
@@ -719,11 +724,11 @@
 			}
 		},
 		FreeMapSK: {
-			url: 'http://t{s}.freemap.sk/T/{z}/{x}/{y}.jpeg',
+			url: 'https://{s}.freemap.sk/T/{z}/{x}/{y}.jpeg',
 			options: {
 				minZoom: 8,
 				maxZoom: 16,
-				subdomains: '1234',
+				subdomains: 'abcd',
 				bounds: [[47.204642, 15.996093], [49.830896, 22.576904]],
 				attribution:
 					'{attribution.OpenStreetMap}, vizualization CC-By-SA 2.0 <a href="http://freemap.sk">Freemap.sk</a>'