OpenLayers – JavaScript mapping library

GitHub stars: 12.6K#52 in the directory
npm downloads / week: 923.1K
Commits, last 12 months: 827
Contributors: 332
Last commit: 2 days ago
Latest release: v10.10.0Jul 27, 2026

Overview

OpenLayers is an open-source JavaScript mapping library released under the BSD-2-Clause license. Its GitHub repository has 12,602 stars, 3,193 forks, and 332 contributors. It is actively developed with 827 commits in the last 12 months. The latest release, v10.10.0, was published on Jul 27, 2026. On npm it is downloaded about 923.1K times per week.

Its GitHub description: OpenLayers

GitHub topics: openlayersjavascriptmaps

Install

npm

npm install ol

v10.10.0

Development activity

Commits per month to the default branch over the last 12 complete months.

827 commits from Oct 2025 to Sep 2026.

Show data as a table

OpenLayers commits per month
Month	Commits
Oct 2025	69
Nov 2025	98
Dec 2025	49
Jan 2026	63
Feb 2026	52
Mar 2026	114
Apr 2026	68
May 2026	37
Jun 2026	57
Jul 2026	123
Aug 2026	51
Sep 2026	46

Popularity among JavaScript map & geospatial visualization libraries

GitHub stars for OpenLayers and the most-starred alternatives.

Show data as a table

GitHub stars
Tool	Stars
Leaflet	45,702
Cesium	15,798
Deck.gl	14,623
OpenLayers	12,602
MapLibre GL JS	11,801
react-map-gl	8,503
Potree	5,628

Alternatives to OpenLayers

Leaflet
JavaScript library for mobile-friendly interactive maps.

45.7K starsJavaScriptBSD-2-ClauseOpenLayers vs Leaflet
Cesium
WebGL 3D globes and maps.

15.8K starsJavaScriptApache-2.0OpenLayers vs Cesium
Deck.gl
WebGL framework for visual exploratory data analysis of large datasets.

14.6K starsTypeScriptMITOpenLayers vs Deck.gl
MapLibre GL JS
WebGL-based interactive vector tile maps in the browser; community fork of Mapbox GL JS.

11.8K starsTypeScriptBSD-3-ClauseOpenLayers vs MapLibre GL JS
react-map-gl
React components for MapLibre GL JS and Mapbox GL JS, maintained by vis.gl.

8.5K starsTypeScriptMIT
Potree
WebGL point cloud viewer for large datasets such as LiDAR scans.

5.6K starsJavaScriptOther

More comparisons: Leaflet vs OpenLayers · Cesium vs OpenLayers · Deck.gl vs OpenLayers · MapLibre GL JS vs OpenLayers

OpenLayers FAQ

Is OpenLayers open source?

Yes. OpenLayers is released under the BSD-2-Clause license, and its source code is on GitHub.

Is OpenLayers still maintained?

Yes. OpenLayers is actively developed, with 827 commits in the last 12 months and the latest commit 2 days ago.

How do I install OpenLayers?

From npm: npm install ol.

What are the best alternatives to OpenLayers?

The most popular alternatives listed in JavaScript map & geospatial visualization libraries are Leaflet, Cesium, and Deck.gl. See the full ranking.

What language is OpenLayers written in?

OpenLayers is primarily written in JavaScript, according to GitHub.

Data: GitHub API, npm. Updated Oct 4, 2026.