ember-leaflet-marker-cluster is an Ember addon that provides Beautiful Animated Marker Clustering functionality for Ember-Leaflet, an Ember addon for Leaflet interactive maps. It wraps the Leaflet.markercluster JS library into an Ember component for usage in HTMLbars templates, allowing developers to easily add marker clustering to their Leaflet maps. This addon is for Ember developers who are using Ember-Leaflet and want to add marker clustering to their maps.