Subcategory answer

Web mapping libraries and APIs

4,644,076

companies run at least one of the 30 technologies in it, 8.5% of 54,527,857 in the index. Landing 12 Sept 2026.

Client-side libraries and APIs for web maps, geocoding, and geospatial visualization.

Share of the subcategory by month

Leaflet 9.9%Other 85.5%

LeafletHERE Maps APIMapbox GL JSMapbox.jsOther

Share of companies running any technology in this subcategory, monthlyof 4,644,076 companies with any of themlanding 12 Sept 2026

Each month is drawn as 100%, so the bands are shares and not counts; a company running two of these technologies is counted in both, and everything past the fourth is folded into Other. The series starts January 2021 because the panel is anchored at 31 Dec 2020

The 345 numbers in this chart

Month	Leaflet	HERE Maps API	Mapbox GL JS	Mapbox.js	Other
2021-01	10.4%	3.2%	1.9%	1.4%	83.1%
2021-02	10.4%	3.2%	1.9%	1.4%	83.1%
2021-03	10.4%	3.2%	1.9%	1.4%	83.1%
2021-04	10.4%	3.2%	1.9%	1.4%	83.1%
2021-05	10.4%	3.2%	1.9%	1.4%	83.1%
2021-06	10.4%	3.2%	1.9%	1.4%	83.1%
2021-07	10.4%	3.2%	1.9%	1.4%	83.1%
2021-08	10.4%	3.2%	1.9%	1.4%	83.1%
2021-09	10.4%	3.2%	1.9%	1.4%	83.1%
2021-10	10.4%	3.2%	1.9%	1.4%	83.1%
2021-11	10.4%	3.2%	1.9%	1.4%	83.1%
2021-12	10.4%	3.2%	1.9%	1.4%	83.1%
2022-01	10.4%	3.2%	1.9%	1.4%	83.1%
2022-02	10.4%	3.2%	1.9%	1.4%	83.1%
2022-03	10.4%	3.2%	1.9%	1.4%	83.1%
2022-04	10.4%	3.2%	1.9%	1.4%	83.1%
2022-05	10.4%	3.2%	1.9%	1.4%	83.1%
2022-06	10.4%	3.2%	1.9%	1.4%	83.1%
2022-07	10.4%	3.2%	1.9%	1.4%	83.1%
2022-08	10.4%	3.2%	1.9%	1.4%	83.1%
2022-09	10.4%	3.2%	1.9%	1.4%	83.1%
2022-10	10.4%	3.2%	1.9%	1.4%	83.1%
2022-11	10.4%	3.2%	1.9%	1.4%	83.1%
2022-12	10.4%	3.2%	1.9%	1.4%	83.1%
2023-01	10.4%	3.2%	1.9%	1.4%	83.1%
2023-02	10.4%	3.2%	1.9%	1.4%	83.1%
2023-03	10.4%	3.2%	1.9%	1.4%	83.1%
2023-04	10.4%	3.2%	1.9%	1.4%	83.1%
2023-05	10.4%	3.2%	1.9%	1.4%	83.1%
2023-06	10.4%	3.2%	1.9%	1.4%	83.1%
2023-07	10.4%	3.2%	1.9%	1.4%	83.1%
2023-08	10.4%	3.2%	1.9%	1.4%	83.1%
2023-09	10.4%	3.2%	1.9%	1.4%	83.1%
2023-10	10.4%	3.2%	1.9%	1.4%	83.1%
2023-11	10.5%	3.4%	1.8%	1.3%	82.9%
2023-12	10.5%	3.4%	1.8%	1.3%	82.9%
2024-01	10.5%	3.4%	1.8%	1.3%	82.9%
2024-02	10.5%	3.4%	1.8%	1.3%	82.9%
2024-03	10.5%	3.4%	1.8%	1.3%	82.9%
2024-04	10.5%	3.4%	1.8%	1.3%	82.9%
2024-05	10.5%	3.4%	1.8%	1.3%	82.9%
2024-06	10.5%	3.4%	1.8%	1.3%	82.9%
2024-07	10.5%	3.4%	1.8%	1.3%	82.9%
2024-08	10.5%	3.4%	1.8%	1.3%	82.9%
2024-09	10.5%	3.4%	1.8%	1.3%	82.9%
2024-10	10.4%	3.5%	1.8%	1.3%	83.0%
2024-11	10.4%	3.5%	1.8%	1.3%	83.0%
2024-12	10.4%	3.5%	1.8%	1.3%	83.0%
2025-01	10.4%	3.5%	1.8%	1.3%	83.0%
2025-02	10.4%	3.5%	1.8%	1.3%	83.0%
2025-03	10.4%	3.5%	1.8%	1.3%	83.0%
2025-04	10.5%	3.3%	1.8%	1.3%	83.2%
2025-05	10.3%	2.9%	1.7%	1.2%	83.8%
2025-06	10.3%	2.6%	1.7%	1.2%	84.2%
2025-07	10.3%	2.6%	1.7%	1.2%	84.2%
2025-08	10.3%	1.8%	1.7%	1.2%	85.0%
2025-09	10.3%	1.8%	1.7%	1.2%	85.0%
2025-10	10.3%	1.8%	1.7%	1.2%	85.0%
2025-11	10.2%	1.7%	1.7%	1.2%	85.2%
2025-12	10.2%	1.7%	1.7%	1.2%	85.2%
2026-01	10.2%	1.7%	1.7%	1.2%	85.3%
2026-02	10.2%	1.7%	1.7%	1.2%	85.3%
2026-03	9.9%	1.7%	1.7%	1.1%	85.5%
2026-04	9.9%	1.7%	1.7%	1.1%	85.5%
2026-05	9.9%	1.7%	1.7%	1.1%	85.5%
2026-06	9.9%	1.7%	1.7%	1.1%	85.5%
2026-07	9.9%	1.7%	1.7%	1.1%	85.5%
2026-08	9.9%	1.7%	1.7%	1.1%	85.5%
2026-09	9.9%	1.7%	1.7%	1.1%	85.5%

The technologies ranked in Web mapping libraries and APIs

Companiesof 4,644,076 with any of themlanding 12 Sept 2026

#

Technology

Vendor

Companies

Share

1

Leaflet

409,716

8.8%

2

HERE Maps API

HERE Technologies

78,324

1.7%

3

Mapbox GL JS

Mapbox

63,649

1.4%

4

Mapbox.js

Mapbox

37,058

0.80%

5

OpenLayers

OpenLayers Project

13,355

0.29%

6

MapLibre GL JS

MapLibre

11,450

0.25%

7

Geoapify

Geoapify GmbH

7,357

0.16%

8

TurfJS

4,596

0.10%

9

RevolverMaps

3,343

0.07%

10

Naver Maps

NAVER Cloud

2,297

0.05%

11

Here

HERE Technologies

1,888

0.04%

12

Amap

AutoNavi (Gaode)

1,766

0.04%

13

Mapplic

1,032

0.02%

14

ArcGIS API for JavaScript

Esri

927

0.02%

15

Neshan

667

0.01%

16

Develic Omnium Maps

Develic

509

0.01%

17

Seatics

193

<0.01%

18

TomTom Maps

TomTom

153

<0.01%

19

Mappedin

99

<0.01%

20

Mapme

87

<0.01%

21

ZeeMaps

Zee Source

44

<0.01%

22

Mapline

29

<0.01%

23

EagleView

EagleView Technologies

23

<0.01%

24

Maptalks

Maptalks Project

17

no share

24 of 30 technologiesa company running two of them is counted in both, so the shares do not sum to 100%under 20 companies no share is published

The 2 more technologies in Web mapping libraries and APIs, ranked

Technology	Vendor	Companies
Prolo Finder	Prolo Finder	10
TerriaJS	TerriaJS Project	1

4 of the 10 most detected technologies here sit under the publication gate on detector quality of 0.90, so they are listed rather than ranked: Google Maps 3,932,725, Maptiler 216,941, Apple MapKit JS 25,177, Baidu Maps 7,848.

One click under this answer

Technology answerLeafletThe first row of this ranking, with its companies by month since January 2021.Category answerJavaScript LibrariesThe category above this one, with its subcategories and the companies in each.CatalogueEvery technology, rankedFiltered to this category with ?category=javascript-libraries/web-mapping-libraries-and-apis.