JSPM

turf triangle-grid module

turf polygonize module

turf center-mean module

turf boolean-equal module

turf intersect module

turf concave module

turf line-to-polygon module

turf random module

turf dissolve module

a JavaScript library for performing geospatial operations with GeoJSON

turf nearest-point-to-line module

turf convex module

turf center-of-mass module

turf boolean-overlap module

Utility for converting between WGS84 lat/lng and MGRS coordinates

turf point-to-polygon-distance module

Provides Beautiful Animated Marker Clustering functionality for Leaflet

turf boolean-touches module

Framework-independent loaders for the WMS (Web Map Service) standard

ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

A tiny and fast Leaflet heatmap plugin.

Mapbox GL JS plugin for switching map language to the browser language.

Light-weight JavaScript Bounding Box Utility Functions

Tiled maps on a globe as a ThreeJS reusable 3D object

Proj4JS Projector Fully Loaded with Projections

Almost All the Projection Definitions for Proj4js

Snap a Bounding Box to a Grid

Leaflet plugins for consuming ArcGIS Online and ArcGIS Server services.

Re-project a line.

Blazing Fast JavaScript Raster Processing Engine

Reproject GeoJSON. Works Offline.

Reference Implementation of the Dufour-Peyton Intersection Algorithm. Calculates the Intersections of Arbitrary Polygons with a Geospatial Raster.

Reproject a Bounding Box

Wrapper around Georeferenced Rasters like GeoTIFF, NetCDF, JPG, and PNG that provides a standard interface

Merge Multiple Proj4 Instances

Vector tile rendering and labeling for [Leaflet](https://github.com/Leaflet/Leaflet).

WMS service Capabilities > JSON, based on openlayers

A tool for editing vector datasets for mapping and GIS.

Svelte bindings for MapLibre

ArcGIS Map Components

JavaScript Geo Visualization and Analysis Library

Bindings to GDAL (Geospatial Data Abstraction Library) with full async support

A simple yet powerful module to retrieve organic search results and much more from Google.

Maplibre GL JS plugin for inspecting vector data

turf polygon module

React Components for OpenLayers

wind layer core

ol wind

A custom layer for heatmaps in react-leaflet

OpenLayers Wrapper for Vue3

Javascript implementation of GEOS's Polygonize function

Esri Leaflet plugin for visualizing Feature Layers as clusters with L.markercluster.

AMap高德地图API加载器。

3D BIM IFC Viewer SDK for AEC engineering applications. Open Source JavaScript Toolkit based on pure WebGL for top performance, real-world coordinates and full double precision

Provides the ability to use SVG patterns as backgrounds for Leaflet Paths.

turf featureCollection module

A basic ellipse type for Leaflet, a JS library for interactive maps.

LAZ implementation compiled to WASM via Emscripten for LAZ support in a browser

A set of React components that wrap ArcGIS map components

Display GeoTIFFs and soon other types of raster on your Leaflet Map

Gets EPSG Code for Various Inputs (incl. OGC WKT, ESRI WKT, GML, Mapfile, PROJ String, Proj4js String, XML)

Leaflet Control for searching markers/features by attribute on map or remote searching in jsonp/ajax

All the 138,398 cities of the world with a population of at least 1000 inhabitants, in a big JSON array

gdal3.js is a port of Gdal applications (**gdal_translate**, **ogr2ogr**, **gdal_rasterize**, **gdalwarp**, **gdaltransform**) to Webassembly. It allows you to convert raster and vector geospatial data to various formats and coordinate systems.

Tools to help with TMS, Quadkey & Google (XYZ) Tiles

Mapbox GL JS plugin for enabling/disabling traffic

A Leaflet plugin for working with Web Map services, providing: single-tile/untiled/nontiled layers, shared WMS sources, and GetFeatureInfo-powered identify

esri-leaflet plugin for rendering

A light JavaScript library to create integrated 2D/3D maps.

Simple, Modern Geospatial Bounding Boxes

A responsive sidebar just for Leaflet

Minimum bounding rectangle implementation in JavaScript. Uses `concaveman` and `mathjs` as dependencies.

Contains components for editing code in different languages. The currently supported languages are html, css, json, TypeScript, JavaScript, and Arcade.

Vue 3.x components for CesiumJS.

primitive SVG renderer for geojson with feature styles

turf lineString module

Transform a GeoJSON bounding box into an Esri-formatted extent object.

A custom layer for heatmaps in react-leaflet

A responsive sidebar for mapping libraries like Leaflet or OpenLayers

A native Web Component for displaying maps using OpenLayers.

BIM viewer built on xeokit

A Node-RED node to provide a web page of a world map for plotting things on.

A set of React components that wrap ArcGIS charts components

PostGIS support for PostGraphile

Bindings to GDAL (Geospatial Data Abstraction Library)

CesiumJS是一个JavaScript库，用于在web浏览器中无需插件创建3D地球仪和2D地图，mars3d-cesium是火星科技修改版本的CesiumJS。

A JS/WebGL framework for 3D geospatial data visualization

The JavaScript (& TypeScript) API for Targomo's time-based access mapping services.

A set of React components that wrap ArcGIS coding components

Add time dimension capabilities on a Leaflet map

turf isClockwise module

A simple loading control for Leaflet

A leaflet plugin for pre-loading map tiles that are outside the current viewport

Leaflet plugin to enable the rotation of map marker icons

Shared utilities for Leaflet maps and Dutch (NL) geo standards

Bindings to GDAL (Geospatial Data Abstraction Library) with non-default drivers

A custom layer for heatmaps in react-leaflet

Potree loader for ThreeJS, converted and adapted to Typescript.

find whether spatial features overlap

GeoGirafe is a flexible application to build online geoportals.

Transform coordinates from one coordinate system to another.

PostGIS support for PostGraphile

ArcGIS command line tool to create new web GIS projects and applications

Build interactive web maps effortlessly with MapLibre GL JS and Svelte

Parse WKT-CRS (Well-known text representation of coordinate reference systems)

A Leaflet plugin to view coordinates

Geoprocessing and reporting framework for SeaSketch 2.0

Create N number of random points inside of a polygon

Mars3D三维可视化平台

Inverted polygons for Leaflet

A responsive sidebar plugin for Leaflet

Solid Component Library for Mapbox GL JS

中科软地图js

GIS and PostGIS dictionary for cspell.

Edit the style of features drawn within Leaflet.

MCP Server for coordinate conversion and spatial calculations

WebGL-powered geographical maps.

Core mapping and drawing components for farm management applications

A library for reading geospatial data in Apache Parquet format

An MCP server for converting GIS data in different formats

Vue 3.x components for CesiumJS.

Leaflet plugin for plotting a marker representing a user, or multiple users, on a Leaflet map

This package allows you to easily convert a shapefile to geojson.

Convert OCAD files to GeoJSON

Labels for leaflet maps

JavaScript utilities to create .XKT files

Provides Beautiful Animated Marker Clustering functionality for Leaflet

地域メッシュのコードと緯度経度の変換ユーティリティ

Bindings to GDAL (Geospatial Data Abstraction Library) with non-default drivers

Vue 3.x components for CesiumJS.

Mapbox GL JS plugin for inspecting vector data

my-openlayer 是一个基于 [OpenLayers](https://openlayers.org/) 的现代地图组件库，专为 Web GIS 应用开发者设计。提供完整的 TypeScript 支持、模块化的类型定义、强大的错误处理和事件管理系统，支持天地图底图加载、要素绘制、图层管理、事件监听等丰富功能，极大提升地图开发效率。支持 TypeScript，具备完整的类型定义和模块化设计。

A lightweight CesiumJS SDK wrapper for GIS and 3D visualization

Labels for leaflet maps

A helper library for translating spatial reference systems

Vue 3.x components for CesiumJS.

leaflet wind

Icon set Font-GIS for Angular applications

A leaflet control plugin to make simple rotating compass

MapGIS Mobile for React Native，是MapGIS推出的一款基于React-Native的跨平台移动开发框架，用户可以基于它使用JavaScript开发出在Android和iOS平台下运行的原生移动GIS应用。

Vue Cesium based map visualization package

webworker for wind-gl-core

A Leaflet plugin for creating halo effects around GeoJSON features with masking capabilities

Mars3D平台插件, 卫星及相关视锥体可视化功能

The awesome aWhere API for JavaScript.

Provides Beautiful Animated Marker Clustering functionality for Leaflet

Give me your coordinates and I'll tell you where the nearest cities are. Works offline.

[Turf](http://turfjs.org/) flatten module

Slice a line whenever it intersects other features

Mars3D平台插件,结合heatmap可视化功能插件

Parse OGC Geography Markup Language in Pure JavaScript

Lookup Guaranteed Income Supplement amounts for Canada

turf center module

Mars3D 在 Vite 平台的插件

Angular UI Leaflet Layers Plugin

MapLibre visualization plugin for scalar fields and vector-field particles.

A server for the 'GPS/GPRS Tracker' tk102, tk103, tk104 and 106

A modern react-based map viewer for MapGuide

Mars3D平台插件,结合echarts可视化功能插件

一个 Leaflet 轨迹播放插件，可以根据实际行进方向自动旋转标记图标，动态调整已行进和未行进路径的颜色以清晰显示当前进度。支持自定义行驶速度等功能，并提供完整的 TypeScript 类型定义。

gemini-viewer is a WebGL based JS SDK, it is built on top of three.js. It provides following viewers:

convert between lonlat and HEALPix coordinates

turf centroid module

Mars3D平台插件,结合mapv可视化功能插件

GeoScene Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

基于OpenLayers的地图应用项目

A simple and easy-to-use library to provide the OpenLayers map screenshot.

maplibre wind

convert an epsg code to a proj string

mapbox wind

Google maps extensions for for Targomo's time-based access mapping services.

Turbo-charge your Re-projection Functions

GeoTIFF reader support for @thi.ng/pixel

kml与geojson互转工具类

OpenGlobus React Components

CesiumJS是一个JavaScript库，用于在web浏览器中无需插件创建3D地球仪和2D地图，hpdi-cesium是公规院修改版本的CesiumJS。

Super Low-Level Raster Reprojection and Resampling Library

A vector map renderer for the web.

Get all tiles of a web map in x,y,z coordinates for a specified bounding box and zoom.

Leaflet Control Layers extended for group of layers and icons legend

Geographical utilities for location-based Node.js applications

Web Programming Toolkit for 3D/2D BIM and AEC Graphics

TypeScript mapping library for generic geospatial data visualization based on Leaflet

GDPR-complient javascript sdk for Tilestack functionalities based on Maplibre developed by YellowMap AG

A Vue 3 plugin for OpenLayers with custom components and utilities

a CLI tool that guides you through setting up a ArcGIS / SvelteKit development environment.

this is map engine base on maptalks.js

Adds HTML Canvas Support to GeoWarp

Mapbox GL JS plugin for OpenMapTiles style for switching language to the browser language.

WorldWindJS is an interactive 3D globe library featuring imagery, maps, terrain and 2D projections from the Web WorldWind virtual globe SDK from NASA and ESA plus several community contributions.

Convert a GML Polygon into GeoJSON.

JavaScript library for mobile-friendly interactive maps (based on Leaflet 1.9.2)

Utilities for working with geonames.org data

Leaf Link - React

Mars3D平台插件,支持对天地图三维地名服务和地形服务加载使用

A custom layer for react-leaflet that makes plotting react components simple

Geovisto tool which provides support for data filtering

Turn an HTML5 Geoposition object into a regular object that can be serialized with JSON.stringify

Unofficial JS SDK for the Nominatim Open Street Map service that allows geocoding and reverse geocoding

Geovisto tool which provides a sidebar control for user management of other tools

WMTS scheme for Javascript applications

turf clean-coords module

Mars3D平台插件,支持气象 风向图 功能插件

A simple yet powerful module to retrieve organic search results and much more from Google.

compute the corner and center bounding coordinates for a geotiff

A MapLibre GL JS plugin for smooth transitions between map styles.

TypeScript wrapper for Kasane 4-dimensional space-time database engine

Convert IFC (BIM) to GeoJSON (GIS) - Browser and Node.js compatible

Parse UTM northing and easting from text input

ol plot

Leaflet tooltip, specifically designed to be moved around the screen

Mars3D平台插件,结合supermap超图库使用的功能插件

Mars2D地理信息平台

Web WorldWind

Edit the style of features drawn within Leaflet.

Mars2D平台插件,结合echarts可视化功能插件

turf boolean-overlap module

turf intersect module

turf truncate module

一个 Leaflet 坐标转换插件，支持GPS84、GCJ02、BD09坐标系之间的转换，提供简单易用的 API 和完整的 TypeScript 类型定义。

A Leaflet plugin that provides a minimap in the corner of the map view.

3D BIM IFC Viewer SDK for AEC engineering applications. Open Source JavaScript Toolkit based on pure WebGL for top performance, real-world coordinates and full double precision

React components for vector maps

A light JavaScript library to create integrated 2D/3D maps.

turf line-intersect module

turf line-overlap module

前端WebGIS统一Map地图模型库，目前主要增加了对leaflet和mapbox地图框架的支持， 通过typescript技术实现js模型的抽象定义，最后对外暴露API，使得用户拿到API就可以很轻松的上手使用leaflet和mapbox各种炫酷的地图交互。

Ember Flexberry GIS Addon

a module for converting a geojson file to a shape file

Complete TypeScript type definitions for GeoJSON and extended GIS types

The Route360° JavaScript API for Motion Intelligence's time-based access mapping service.

A Leaflet trajectory playback plugin that automatically rotates the marker icon based on the actual direction of travel and dynamically adjusts the colors of the traveled and untraveled distances to clearly indicate the current progress. It also supports

使用 vue3 风格封装后的 Openlayer 地图组件库。

erase features

turf boolean-point-in-polygon module

This is a NodeJs library to help to read/write shapefile from your disk.

a module for converting a geojson file to a topojson file

Xtor Compute Geometry Algorithm Libary 计算几何算法库

Wrapper around Georeferenced Rasters like GeoTIFF, NetCDF, JPG, and PNG that provides a standard interface

a module for converting a geojson file to a csv file

Mars2D平台插件,结合mapv可视化功能插件

Mars2D平台插件,ArcGIS Server功能支持插件

a geojson exporting utility belt

a module for converting a geojson file to a kml file

Tile helper library for OCAD files

Bindings to GDAL (Geospatial Data Abstraction Library) [Fork]

A Leaflet plugin to view GeoJSON- and GPX height profiles

Create raster tiles from OCAD files

Find the UTM zone for your GeoJSON.

A lightweight tile map using threejs