1.CesiumGS / cesiumAn open-source JavaScript library for world-class 3D globes and maps :earth_americas:3dgeospatialgis3d-tilescesium3d-globe+3 moreJavaScriptAPACHE-2.016K total3.9K forks+745 starsfrom 15,158 · score 6.61
2.aourednik / historical-basemapsCollection of georeferenced boundaries of world countries and cultural regions for use in mapping historical data on global or continental scalehistorygeojsongeographybasemapsvgmap+5 moreJavaScriptGPL-3.0868 total149 forks+160 starsfrom 706 · score 5.08
3.mbloch / mapshaperTools for editing Shapefile, GeoJSON, TopoJSON and CSV filesgeojsontopojsonshapefilegiscsvsvgJavaScriptOther license4.2K total583 forks+119 starsfrom 4,082 · score 4.79