Top 10 JavaScript Openlayer Projects

OpenLayers3

1 62 12,072 9.9 JavaScript

OpenLayers

Project mention: How to Host and Test PMTiles on GitHub Pages — The Easiest Way to Serve Maps Without a Server | dev.to | 2025-05-29

You can host .pmtiles files (Protomaps tile archives) entirely on GitHub Pages and consume them using OpenLayers. This post shows how to:
Sevalla

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heatmap.js

2 2 6,336 0.0 JavaScript

🔥 JavaScript Library for HTML5 canvas based heatmaps
telegram-nearby-map

3 8 1,145 2.6 JavaScript

Discover the location of nearby Telegram users 📡🌍
qgis2web

4 9 653 7.5 JavaScript

QGIS plugin to export your project to an OpenLayers or Leaflet webmap. No server-side software required.
lizmap-web-client

5 3 311 9.8 JavaScript

Transfer a QGIS project on a server, Lizmap is providing the web interface to browse it
SimcoeCountyWebViewer

6 1 144 6.1 JavaScript

Web Map Viewer built with React and OpenLayers. Built for GeoServer and ArcGIS Server.
xyz

7 2 124 9.9 JavaScript

An open source javascript framework for spatial data and application interfaces.
InfluxDB

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InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
web-mapviewer

8 2 107 9.8 JavaScript

The viewer application for maps and geodata

Project mention: Using GPS in the Year 1565 | news.ycombinator.com | 2024-11-24

The map portal of the Swiss government also has a bunch of old map layers available. For example, here's Zurich in 1883.
https://map.geo.admin.ch/#/map?lang=en¢er=2682327.37,124...
oltb

9 4 43 7.6 JavaScript

Portable mobile friendly GIS toolbar/editor developed for OpenLayers 10.5.0
georender

10 2 11 7.0 JavaScript

Render GPS data as image

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

JavaScript Openlayers discussion

JavaScript Openlayers related posts

How to Host and Test PMTiles on GitHub Pages — The Easiest Way to Serve Maps Without a Server

1 project | dev.to | 29 May 2025
Using GPS in the Year 1565

1 project | news.ycombinator.com | 24 Nov 2024
My Second Year as a Developer Advocate: A Journey Through Different Conferences

7 projects | dev.to | 29 Aug 2024
NEON MAPP - XYZ Spatial Data Interfaces for 🌩 PostGIS

3 projects | dev.to | 28 Aug 2024
Zooming User Interface (ZUI)

4 projects | news.ycombinator.com | 15 Apr 2024
Handling files in enterprise web solutions

3 projects | dev.to | 4 Mar 2024
Swiss Maps Are Full of Hidden Secrets

3 projects | news.ycombinator.com | 27 Feb 2024
A note from our sponsor - InfluxDB
www.influxdata.com | 1 Sep 2025

InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now. Learn more →

Index

What are some of the best open-source Openlayer projects in JavaScript? This list will help you:

#	Project	Stars
1	OpenLayers3	12,072
2	heatmap.js	6,336
3	telegram-nearby-map	1,145
4	qgis2web	653
5	lizmap-web-client	311
6	SimcoeCountyWebViewer	144
7	xyz	124
8	web-mapviewer	107
9	oltb	43
10	georender	11