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 ## JavaScript
+* [OpenLayers](http://openlayers.org/) - Open source AJAX library.
+* [Leaflet](http://leafletjs.com/) - Open-Source JavaScript Library for Mobile-Friendly Interactive Maps.
+* [Google Maps API](https://developers.google.com/maps/documentation/javascript/?hl=pt-br) - Google Maps API for JavaScript.
 * [Heatmap.js](https://www.patrick-wied.at/static/heatmapjs/) - A heatmap implementation for Javascript.
 * [Thermo.js](https://github.com/dazuma/thermo.js) - Another heatmap implementation for Javascript.
 * [Heatcanvas.js](https://github.com/sunng87/heatcanvas) - Yet another heatmap implementation for Javascript.