OpenLayers 3 dev here. All these mapping libraries are great. Google Maps comes with great data. Leaflet has a really nice API. OpenLayers 3 comes with loads

OpenLayers 3 dev here. All these mapping libraries are great. Google Maps comes with great data. Leaflet has a really nice API. OpenLayers 3 comes with loads of functionality built in. Please check out our OpenLayers 3 examples at http://ol3js.org/en/master/examples/ http://ol3js.org/en/master/examples/ Interesting ones include: Full screen rotate and zoom: http://ol3js.org/en/master/examples/full-screen-drag-rotate-and-zoom.html http://ol3js.org/en/master/examples/full-screen-drag-rotate-... Animation: http://ol3js.org/en/master/examples/animation.html http://ol3js.org/en/master/examples/animation.html 60fps heatmaps: http://ol3js.org/en/master/examples/heatmap-earthquakes.html http://ol3js.org/en/master/examples/heatmap-earthquakes.html High quality KML rendering: http://ol3js.org/en/master/examples/kml.html http://ol3js.org/en/master/examples/kml.html Detailed geometries: http://ol3js.org/en/master/examples/igc.html http://ol3js.org/en/master/examples/igc.html Canvas effects: http://ol3js.org/en/master/examples/layer-spy.html http://ol3js.org/en/master/examples/layer-spy.html Canvas, DOM and WebGL renders: http://ol3js.org/en/master/examples/side-by-side.html http://ol3js.org/en/master/examples/side-by-side.html Full application with OpenLayers 3, Angular and Bootstrap: http://map.geo.admin.ch/ http://map.geo.admin.ch/