ArcGIS Developer

GitHub repository ↗ synced 2026/8/9

Awesome ArcGIS Developers

An awesome set of resources to help you develop with ArcGIS Products.

ArcGIS products give you access to APIs, location services, and tools to develop your own mapping and spatial analysis applications. Use mapping products to help developers build web, native, offline, desktop, or integrated solutions for yourself, your organization, or other organizations. Access a full suite of location services to provide basemap layers, geocoding and routing capabilities, and other geospatial functionalities. Securely host and manage your data in the ArcGIS cloud.

APIs and SDKs

ArcGIS API for Python

Guides, sample notebooks, and API reference to do mapping, spatial analysis, data science, geospatial AI, and automation using Python.

ArcGIS REST APIs

General documentation about ArcGIS REST APIs: location services, content management, portal administration, and more.

ArcGIS REST APIs collections

Postman collections to work with some of the REST APIs: location services, hosted feature layers, ArcGIS Online, ArcGIS Hub, etc.

ArcGIS REST JS

Key concepts, tutorials, and API reference of a collection of JavaScript modules for accessing location services, ArcGIS Online, and ArcGIS Enterprise REST APIs.

ArcGIS Urban API

Public GraphQL web service that can be used to interact with ArcGIS Urban data directly.

ArcPy

Documentation about the Python package to perform geographic data analysis, data conversion, data management, and map automation in ArcGIS Desktop or ArcGIS Enterprise environments.

ArcGIS Maps SDK for .NET

Guides, sample codes, and API reference to build desktop and mobile apps using .NET.

ArcGIS Maps SDK for Flutter

Guides, sample codes, and API reference to build desktop and mobile apps using Flutter.

ArcGIS Maps SDK for JavaScript

Guides, sample code, API references, and showcase to build 2D and 3D interactive web apps unlocking geospatial data.

ArcGIS Maps SDK for Kotlin

Guides, sample codes, and API reference to build mobile apps using Kotlin.

ArcGIS Maps SDK for Qt

Guides, sample codes, and API reference to build mobile and desktop apps.

ArcGIS Maps SDK for Swift

Guides, sample codes, and API reference to build mobile apps using Swift.

ArcGIS Maps SDK for Unity

Guides, API reference, and sample code to use ArcGIS data and services to develop for Unity.

ArcGIS Maps SDK for Unreal Engine

Guides, API reference, and sample code to use ArcGIS data and services to develop for Unreal Engine.

ArcGIS integrations with CesiumJS

Guide and tutorials to help you start build mapping applications with CesiumJS and ArcGIS.

ArcGIS integrations with MapLibre GL JS

Learn how to connect MapLibre GL JS apps with ArcGIS services using the Esri-maintained ArcGIS MapLibre plugin and ArcGIS REST JS, including tutorials, API references, and sample code.

ArcGIS integrations with OpenLayers

Guide and tutorials to help you start building web apps with OpenLayers and ArcGIS location services.

ArcGIS integrations with Leaflet

Learn how to connect Leaflet apps with ArcGIS services using the Esri-maintained Esri Leaflet plugin and ArcGIS REST JS, including tutorials, API references, and sample code.

Esri-gl

A community-maintained plugin that enables the use of ArcGIS services in Mapbox GL JS and MapLibre GL JS applications.

ArcGIS CityEngine SDKs (C++)

C++ APIs, documentation, and examples for the Procedural Runtime (PRT).

ArcGIS CityEngine SDKs (Python)

Python bindings for the *Procedural Runtime* (PRT) of CityEngine.

ArcGIS Earth Automation API

Guide, API reference, and samples to communicate with ArcGIS Earth.

ArcGIS Enterprise SDK

Guides, API reference, and sample code to extend ArcGIS Enterprise.

ArcGIS Pro SDK for Microsoft .NET

Documentation, tutorials, API reference, FAQ, etc. to extend ArcGIS Pro Desktop.

ArcGIS Maps SDK for Java

Guides, sample codes, and API reference to build desktop apps.

ArcObjects SDK for .NET

Documentation about the .NET SDK for the library of Component Object Model (COM) components that make up the foundation of ArcGIS.

ArcObjects SDK for Java

Documentation about the Java SDK for the library of Component Object Model (COM) components that make up the foundation of ArcGIS.

ArcGIS Core APIs & Libraries:
Esri Client-side SDKs:
Integrations & Plugins (third-party libraries):
SDKs for Extending ArcGIS Products:
Legacy SDKs:

Application generators and CLIs

@arcgis/cli

Quickly scaffold various applications for the ArcGIS API for JavaScript.

generator-esri-appbuilder-js

Yeoman generator to help customize Esri's Web AppBuilder.

koop-cli

Tool to scaffold Koop applications and plugins.

ArcGIS location services

ArcGIS location services Postman Workspace

Postman collections to facilitate work with many of the location services.

Basemap styles service (v1)

Access streets, satellite, and other basemap styles for maps and scenes.

Basemap styles service (v2)

Access multiple map styles, add places of interest, set label languages, word views, and more.

Places service

Search for businesses and geographic locations around the world with detailed information about each place.

Elevation service

Get the vertical distance (height) of a location above or below the mean sea level or ground level.

Hydrology analysis service

Trace water flow and generate watersheds.

Geocoding service

Search for addresses, businesses, and places around the world.

GeoEnrichment service

Find facts and demographic information about a location or area.

Routing service

Get turn-by-turn directions and solve advanced routing problems.

Printing tools service

Generate static maps (png, jpg, pdf, etc.) from advanced web maps.

Spatial analysis service

Process spatial datasets to discover relationships and patterns.

Offline packaging service

Create and manage preplanned map areas for generating offline maps.

Code samples and snippets

ArcGIS Code Sharing

Search, browse, and use code, scripts, models, add-ins, widgets, and more.

Esri/developer-support

Community samples to help be successful with all ArcGIS developer products (Python, .NET, JavaScript, Android…).

esrinederland/CoolScripts

Esri Netherlands scripts and snippets for reuse.

EsriJapan/arcgis-dev-resources

ArcGIS Developers 開発リソース集 (by Esri Japan).

13 sub-lists

ArcGIS Maps SDK for .NET UWP samples — Esri's official ArcGIS Maps SDK for .NET product team samples.
ArcGIS Maps SDK for .NET WPF samples — Esri's official ArcGIS Maps SDK for .NET product team samples.
ArcGIS Maps SDK for Kotlin samples — Esri's official ArcGIS Maps SDK for Kotlin product team samples for Kotlin.
ArcGIS Maps SDK for iOS sample code — Esri's official ArcGIS Maps SDK for iOS product team samples.
ArcGIS API for JavaScript Sample Code — Esri's official JavaScript API product team samples.
ArcGIS REST JS demos — Demo apps built by Esri's REST JS maintainers.
arcgis-js-api-starter-apps — Collection of boilerplates to get started with the ArcGIS API for JavaScript 4.x.
Esri/arcgis-js-vscode-snippets — Collection of Visual Studio Code snippets for common code patterns for the ArcGIS API for JavaScript.
Esri/jsapi-resources — A collection of resources for developers using the ArcGIS API for JavaScript.
RalucaNicola/code-snippets-arcgis-api-js — A collection of code snippets for ArcGIS API for JavaScript.
ArcGIS API for Python Sample Notebooks — Esri's official Python API product team samples.
esrinederland/CoolMaps — Shows cool example maps you can use.
ArcGIS Maps SDK for Qt C++ sample code — Esri's official ArcGIS Maps SDK for Qt product team samples for C++.

Esri Germany Github organization: code samples, tools and more by Esri Deutschland.
.NET:
- ArcGIS Maps SDK for .NET MAUI samples - Esri's official ArcGIS Maps SDK MAUI product team samples.
- ArcGIS Maps SDK for .NET WinUI samples - Esri's official ArcGIS Maps SDK for .NET product team samples.
Android:
Arcade:
- ArcGIS Arcade Expression Templates - Collection of reusable Arcade expressions across all supported profiles.
iOS:
JavaScript:
Python:
Qt:
Unity:
- ArcGIS Maps SDK for Unity samples - Esri's official ArcGIS Maps SDK for Unity product team samples.
Unreal:
- ArcGIS Maps SDK for Unreal Engine samples - Esri's official ArcGIS Maps SDK for Unreal Engine product team samples.

Data conversion tools

Core geospatial processing libraries:
- ArcPy - Python interface to the ArcGIS geoprocessing framework for automating spatial analysis, data management, and mapping.
- gdal - Translator library for raster and vector geospatial data formats.
- loam - JavaScript wrapper for GDAL in the browser.
Format conversion:
- arcgis-json-to-geojson - Convert layer in ArcGIS JSON spec to GeoJSON spec.
- csv2geojson - Convert points from CSV format to GeoJSON.
- geojson2svg - Render GeoJSON into SVG using an inline or external stylesheet.
- geojsonio - Convert many data formats to and from GeoJSON and TopoJSON.
- gtfs2geojson - Convert GTFS data into GeoJSON.
- img2geojson - Drag an image onto a map, trace the paths you need, and export as GeoJSON.
- terraformer - Convert ArcGIS JSON to and from GeoJSON, convert WKT geometries to and from GeoJSON geometries, and other formats.
- togeojson - Convert KML and GPX to GeoJSON, without the fuss.
- tokml - Convert GeoJSON to KML.
Simplification and generalization:
- Distillery - Web application to simplify and project TopoJSON.
- Feature Service Layer - Use the maxAllowableOffset parameter to return generalized geometries with the query operation.
- Generalize method - GeometryEngine can produce a geometry with fewer vertices programmatically. Several APIs support it: JavaScript, iOS, Android, .NET, Qt, and Java.
- PostGIS ST_Simplify - This operation returns a simplified version of the given geometry using the Douglas-Peucker algorithm.
- Mapshaper - Web application to simplify shapes, edit attribute data, clip, erase, dissolve, filter, etc. Supported file formats: Shapefile, GeoJSON, TopoJSON, and CSV files.

Data integration tools

ArcGIS Data Interoperability Extension

Desktop tool to transform +400 data formats.

FME Server

ETL allowing to easily transform almost any dataset into an ArcGIS compatible format and vice-versa. Support for 500+ formats and technologies.

Koop

JavaScript toolkit for connecting spatial APIs. Transform geospatial data on the fly and serve as GeoJSON, vector tiles, feature services, and more.

Make.com

iPaaS to automate repetitive tasks involved in using Survey123 and make your work easier.

node-red-contrib-arcgis-rest

Query, delete, update, or insert data with low-code programming for event-driven applications of the JS Foundation.

Zapier for ArcGIS

iPaaS to automate integrations without writing any code.

Tray.io

Manual, scheduled, and webhook triggers to apply edits, get features, layers, etc. using Tray Platform's ArcGIS connector.

Debugging tools

cors-test.codehappy.dev

App to test CORS requests.

Fiddler Classic

Windows tool that logs HTTP(s) network traffic.

GeoJSONLint

Validate and view your GeoJSON.

json-schema.org

Vocabulary that allows you to annotate and validate JSON documents (including multiple validators).

mapbox/geojson-vt/debug

Validate GeoJSON or TopoJSON.

Postman interceptor

Interceptor enables you to sync cookies from your browser and capture network requests directly from Chrome.

netbalancer.com

Windows application for local network traffic control and monitoring.

Design and styling

Cartography and Making Stunning Maps

Short video showing some examples of what can be achieved using different blend modes effects.

How to style using ArcGIS Online

Playlist with a collection of short videos showcasing some ArcGIS styling capabilities.

Photoshop-style Graphics Effects for Your Layers and Data

Video explaining how to use blend modes as well as layer and feature effects to create unique and stunning web maps using the ArcGIS API for JavaScript 4.x.

MapUIPatterns

Best practices & design principles. UI Patterns describe solutions to observed and recurring design problems.

Calcite Design System

Collection of mapping icons, web components, and good practices.

Calcite Snippets Visual Studio Code Extension

A collection of handy code snippets for the Calcite Design System components, designed to boost your productivity when building web applications with Calcite in Visual Studio Code.

geojson2svg

Render GeoJSON into SVG using an inline or external stylesheet.

ArcGIS Vector Tile Style Editor

Style vector tile basemap layers for applications.

arcgis-vectortile-style-editor

Minimalistic tool to update the styles of Esri Vector Basemaps through JSON.

EsriUK mapstyler

Quickly style an Esri vector tile layer using an image.

Best practices, books, videos, and training:
Developer tools:
- Calcite Intellisense Visual Studio Code Extension - Injects HTML IntelliSense (completion, hover, documentation) for Esri Calcite Design System web components, using Esri's official custom-data JSON.
GUIs:

Developer guides

Content management

Store, manage, and access private and public content.

Data hosting

Store, manage, and access your data as data services.

Demographics

Discover local facts and demographic information with the GeoEnrichment service.

Geocoding

Search for addresses, businesses, and places of interest (POIs) with the geocoding service.

Maps

Display 2D maps and 3D scenes using the basemap layer service and data services.

Offline

Display, analyze, and edit data while disconnected.

Routing

Find routes and directions with the routing service.

Security and authentication

Access services and content using API keys and OAuth 2.0.

Visualization

Style layers to visualize data in 2D and 3D.

Helpers

arcgis-geometry-calculations

Web application to create and grab ArcGIS geometry calculations.

arcgis-js-api-camera-helper

Web application to get the camera position JSON object for 3D web apps in the ArcGIS API for JavaScript 4.x.

arcgis-js-api-extent-helper

Web application to get the map extent JSON object for web apps in the ArcGIS API for JavaScript 4.x.

ArcGIS JS API Module Butler

VSCode extension for quickly adding ES import statements for the @arcgis/core package without leaving your current code context.

epsg.io

Website to discover and transform coordinate systems from all over the world.

esri-loader

A tiny library to help you lazy-load the ArcGIS API for JavaScript (i.e., from the CDN) in applications built with popular JavaScript frameworks and bundlers.

esri-loader-hooks

Custom React hooks for using the ArcGIS API for JavaScript with esri-loader.

geojson-random-generator

Generate and download random GeoJSON quickly for testing.

reducegeojson

A tool to reduce the file size of GeoJSON files for web optimization.

histogrand

Random value generator according to customized histograms.

mercator-geographic-converter

Simple coordinate converter between Geographic units (latitude, longitude) and Mercator units (x, y).

react-sceneview

A simple Esri SceneView React component that builds on the ArcGIS API for JavaScript.

bboxfinder

Simple web application to get the coordinates of a bounding box drawn on the map.

snippets client side raster functions

The client-side raster functions are operations that apply processing directly to the source image pixels.

Map and data exploration

ArcGIS Map Viewer

Web application to create, explore, and share web maps for 2D applications.

ArcGIS Map Viewer (classic version)

Web application to create, explore, and share web maps for 2D applications.

ArcGIS Scene Viewer

Web application to create, explore, and share web maps for 3D applications.

Geo Data Viewer

VSCode extension for Geo Data Analytics. Support to generate and view maps.

geojson.io

Web application to visualize, generate, and edit geospatial vector data. Supports GeoJSON, TopoJSON, CSV, KML, WKT, and Shapefile.

gpxstudio

Online and open source GPX file editor.

Mapshaper

Web application to simplify shapes, edit attribute data, clip, erase, dissolve, filter, etc. Supported file formats: Shapefile, GeoJSON, TopoJSON, and CSV files.

Smart Mapping

It is built into the Map and Scene viewer, but some APIs like JavaScript and Python also provide utilities to help build data exploration tools.

VSCode Map Preview

Extension for visually previewing geospatial file content (GeoJSON, KML, etc) on a map.

Playgrounds

arcgis-arcade-playground

Try the portable scripting language for creating ArcGIS custom visualizations and labeling expressions.

cim-symbol-builder

Generate CIM symbols to work with ArcGIS client APIs and feature services.

geometry-inspector

Quickly show EsriJSON, GeoJSON, or WKT on a map, or draw on a map to get EsriJSON, GeoJSON, or WKT.

js-symbol-playground 3.x

Generate symbols to work with the ArcGIS API for JavaScript 3.x.

js-symbol-playground 4.x

Generate symbols to work with the ArcGIS API for JavaScript 4.x.

Postman workspaces

Postman collections to experiment with location services and authentication.

Firefly Symbols Generator

Firefly symbol generation.

Spatial Analysis

ArcGIS Analysis services

Spatial, raster, elevation, hydrology, and utility network analysis.

Esri/gis-tools-for-hadoop

Collection of GIS tools for spatial analysis of big data.

Esri/spatial-framework-for-hadoop

Allows developers and data scientists to use the Hadoop data processing system for spatial data analysis.

Client-side Geometry Engine

Allows you to test spatial relationships, calculate new geometries, and measure lengths, areas, distances, etc.

6 sub-lists

Turf.js

Geospatial analysis for browsers and Node.js.

Specifications

Cartographic Information Model spec

Map content specification used to persist and transfer cartographic descriptions of GIS datasets represented in JSON.

Common data types

JSON formats of the geometry and spatial reference objects as returned by ArcGIS REST API: Point, Multipoint, Polyline, Polygon and Envelope.

GeoServices spec

Open Web Foundation REST-based API that provides complete access to structured geospatial data used by Esri.

Indexed 3D Scene Layers

Service and package standard of containers for arbitrarily large amounts of geographic data.

Shapefile Format

Spec for the geospatial vector data format for GIS software.

Spatial reference specifications

List of Well-Known ID (WKID) integer value or a text string definition referred to as Well-Known Text (WKT) to define a spatial reference.

Tile Package Specification

Compressed file containing a set of tiles and a tiling scheme, which can be used as a basemap in ArcGIS applications.

Web Map spec

Sharable 2D maps. It describes the JSON object that defines a web map.

Web Scene spec

A JSON structure that defines the contents (viewpoint, camera, basemap layer, layers, styles, etc.) for a shareable 3D scene.

awesome-arcgis

Awesome list with a wiki flavor with resources about Esri and ArcGIS, organized by: products, industries, file formats, content providers, etc.

awesome-earthobservation-code

Tools, tutorials, code, helpful projects, and links about Earth Observation and Geospatial stuff.

awesome-geojson

GeoJSON utilities: operations,editors & viewers, validation, services, conversion, etc.

awesome-geospatial

Databases, radar, lidar, web map development, etc.

awesome-gis

GIS, remote sensing, 3D apps, Web Map Servers, Geospatial libraries, Open Standards, data, etc.

awesome-json-datasets

JSON datasets that don't require authentication about: climate, crime, government, NASA, travel, etc.

awesome-open-geoscience

Curated from repositories that make our lives as geoscientists, hackers, and data wranglers easier or just more awesome.

awesome-public-datasets

A topic-centric list of high-quality open datasets.

awesome-remote-sensing-change-detection

List of datasets, codes, and contests related to remote sensing change detection.

awesome-satellite-imagery-datasets

List of satellite image training datasets with annotations for computer vision and deep learning.

awesome-semantic-segmentation

Networks by architecture (semantic segmentation, instance aware segmentation, etc.), RNN, GANS, datasets, and more.

awesome-vector-tiles

Implementations of the Mapbox Vector Tile specification: parsers & generators, clients, apps, and command line tools, CLI utilities, servers, etc.

Related awesome lists

Issues

Any open issues are fair game. Even just telling us what you want to see would be extremely helpful!

You can file an issue to request or suggest a specific resource.

Contributing

Esri welcomes contributions from anyone and everyone. You can issue a pull request to propose an update, but before doing it, please:

Check the contributing guidelines for this repo.
Take a look at previously logged issues.

For more information, please see Esri's guidelines for contributing.

Footnotes