javascript

Apache ECharts

OSS

JavaScript visualization library with interactive charts, maps, and geographic data components.

CesiumJS

OSS

Open-source JavaScript library for world-class 3D globes and maps with WebGL.

Alternative to Google Earth

OpenLayers

OSS

High-performance, feature-packed library for creating interactive maps on the web.

Alternative to Google Maps Platform, Bing Maps

Turf.js

OSS

Advanced geospatial analysis library for browsers and Node.js. Modular and fast.

Alternative to ArcGIS

AntV L7

OSS

WebGL library for large-scale 2D and 3D geospatial visualization in web applications.

D3.js

OSS

JavaScript library for data-driven documents, including the d3-geo map projections.

Leaflet

OSS

Leading open-source JavaScript library for mobile-friendly interactive maps. Simple and lightweight.

Alternative to Google Maps Platform, Bing Maps, Mapbox

MapLibre GL JS

OSS

Open-source TypeScript library for publishing maps on your website. Fast vector tile rendering.

Alternative to Mapbox, Google Maps Platform, Bing Maps

React Leaflet

React component bindings for building interactive Leaflet maps.

maptalks.js

OSS

Extensible JavaScript library for integrated 2D and 3D mapping.

mapshaper

OSS

Editor for Shapefile, GeoJSON and TopoJSON — simplify, clip and convert in the browser.

Mapv

OSS

Canvas-based JavaScript library for visualizing large geospatial point, line, and polygon datasets.

Leaflet-Geoman

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Leaflet plugin for drawing, editing, measuring, and managing geometry layers.

Supercluster

OSS

Fast JavaScript library for clustering large GeoJSON point datasets in browsers and Node.js.

Proj4js

OSS

JavaScript library for reprojecting coordinates between coordinate systems, including datum transformations.

JSTS

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JavaScript port of the JTS topology suite for 2D spatial predicates and operations.

iTowns

OSS

Three.js and WebGL framework for visualizing 2D and 3D geospatial data.

gdal3.js

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WebAssembly build of GDAL and OGR for geospatial processing in browsers and Node.js.

geoblaze

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Pure-JavaScript raster processing engine for GeoTIFFs in the browser and Node.js.

geojson-vt

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Slices GeoJSON into vector tiles on the fly in the browser, for rendering without a tile server.

TerriaJS

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Library for building catalog-driven 2D and 3D web geospatial explorers.

Alternative to Google Earth

overpass turbo

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Web-based GUI for writing, testing, and visualizing OpenStreetMap Overpass queries.

Mapbox GL Draw

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Drawing tools plugin for MapLibre/Mapbox GL maps — points, lines, polygons.

geotiff.js

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Browser and Node.js library for parsing GeoTIFF files for visualization and analysis.

Google Earth Engine

Planetary-scale cloud platform for satellite imagery analysis and geospatial data processing.

OpenGlobus

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WebGL engine for interactive 3D globes, terrain, and geospatial data at planetary scale.

Alternative to Google Earth

Koop

OSS

JavaScript toolkit for serving transformed geospatial data through web mapping APIs.

MapLibre-Geoman

OSS

MapLibre plugin for drawing, measuring, and editing geometry layers in web maps.

Tangram

OSS

WebGL rendering engine for 2D and 3D vector maps, used as a Leaflet plugin.

three-geo

OSS

three.js library that turns GPS coordinates into textured 3D terrain meshes.

Vue for Cesium

OSS

Vue 3 component library for building 3D globe and terrain apps on CesiumJS.

Web WorldWind

OSS

NASA's WebGL globe engine for the browser, with terrain, imagery layers, and 3D shapes.

Alternative to Google Earth