GIS & Mapping Platforms

OpenStreetMap: A collaborative project to create a free editable map of the world. 
Google Maps: A web mapping platform by Google offering street maps, satellite imagery, and routing. 
Google Earth: A 3D virtual globe by Google that renders the Earth using satellite imagery. 
ArcGIS Online: Esri’s cloud-based platform for creating and sharing interactive maps and spatial data. 
Mapbox: A developer-focused cloud platform for creating customizable maps and location services. 
Leaflet: A lightweight open-source JavaScript library for mobile-friendly interactive maps. 
CesiumJS: An open-source JavaScript library for creating world-class 3D globes and maps.
Bing Maps: Microsoft’s web mapping service providing road maps, satellite imagery and navigation.