OpenLayers is a powerful open‑source JavaScript library for displaying map data in web browsers. If you’re looking for other GIS/web‑mapping libraries or platforms—whether you need 2‑D vector maps, 3‑D globes, high‑performance rendering, or tighter integration with cloud services—this list of 20 alternatives can help you choose the right tool for your project.
Get targeted exposure with custom position pinning and highlighted placement.
Lightweight, mobile‑friendly JavaScript library for interactive 2‑D maps. Extensive plugin ecosystem for heatmaps, clustering, and more.
WebGL‑based library for high‑performance vector maps with custom styling via Mapbox Studio.
Open‑source fork of Mapbox GL JS (v1) that provides the same WebGL rendering capabilities without proprietary licensing.
Full‑featured 3‑D globe and map engine using WebGL, supporting terrain, imagery, and 3‑D Tiles for massive datasets.
Comprehensive GIS library from Esri, offering rich analytical tools, basemaps, and tight integration with ArcGIS Online and Enterprise.
Industry‑standard API for embedding Google’s basemaps, Street View, and routing services into web applications.
Microsoft’s mapping platform with aerial, road, and bird’s‑eye imagery, plus geocoding and routing services.
Robust mapping SDK with high‑resolution vector tiles, traffic, and fleet‑management extensions.
While still OpenLayers, community‑maintained forks add modern build pipelines, TypeScript typings, and extra plugins.
WebGL‑powered framework for large‑scale data visualisation, often combined with Mapbox or Google basemaps.
Open‑source WebGL renderer for vector tiles, supporting custom styling via YAML/CartoCSS.
Server‑side open‑source GIS platform that publishes OGC‑compliant services (WMS, WMTS, WFS) for consumption by any web map library.
High‑performance map rendering engine supporting raster, vector, and OGC services; often paired with Leaflet or OpenLayers.
JavaScript library from CARTO for building location‑intelligent applications with built‑in analytical functions.
Open‑source geospatial analysis tool built on deck.gl, ideal for large point‑cloud visualisation and exploration.
3‑D mapping and location services for Unity games and simulations, leveraging Mapbox vector tiles.
Comprehensive GIS client library offering map rendering, spatial analysis, and data editing.
Lightweight wrapper that brings Esri basemaps and services to the Leaflet ecosystem.
Open-source vector tile server and style suite; can be consumed by Leaflet, MapLibre, or Mapbox GL.
Simple web‑based editor and viewer for GeoJSON data, useful for quick prototyping and sharing.