OpenStreetMap, OpenLayers, Mapbox Studio, HERE WeGo, Mapme, CartoDB, OpenGeo Suite, Mapotic, Apple Maps, Map3, Felt, GeoServer, Spotzi, MapQuest, Sharemap, indiemapper, OpenMapTiles, Google Maps Engine, Google Maps API for Business, Bing Map API, MapLibre, TomTom Maps APIs, MAPCAT.com are some alternatives to MapTiler Cloud.