1.openlayers / openlayersOpenLayersopenlayersjavascriptmapsJavaScriptBSD-2-CLAUSE13K total3.2K forks+132 starsfrom 12,508 · score 4.89
2.pa7 / heatmap.js🔥 JavaScript Library for HTML5 canvas based heatmapsheatmapsdata-visualizationheat-mapsdatavizleafletgoogle-maps+9 moreJavaScriptMIT6.4K total1.3K forks+13 starsfrom 6,369 · score 2.64