Awesome GIS

Awesome GIS is a collection of geospatial related sources, including cartographic tools, geoanalysis tools, developer tools, data, conference & communities, news, massive open online course, some amazing map sites, and more.

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Inspired by Awesome Python.

Table Of Contents:

• Open Books
• Geographic Information System Software
• Remote Sensing Software
• 3D Applications
• Web Map Servers
• Front-end Framework
• Spatial Database
• Mobile Develop Tools
• Deep Learning
  • Deep Learning Framework for Geospatial
  • Deep Learning Datasets
• Map Render Engine
• Geospatial Library
  • C
  • C++
  • Clojure
  • Crystal
  • C Sharp
  • CSS
  • Delphi
  • Elixir
  • Fortran
  • Go
  • Groovy
  • Haskell
  • IDL
  • Java
  • JavaScript
  • Julia
  • Kotlin
  • Lisp
  • Lua
  • Perl
  • PHP
  • Python
  • R
  • Ruby
  • Rust
  • Scala
  • Swift
• Open Standards
• Cloud Service
  • DaaS
  • SaaS
• Conference & Communities
• Data
• News Sites
• Awesome-Awesome
• Amazing Map Sites
• Other
  • Data Formats
  • Design Materials
  • Geospatial Start-ups And Companies
  • MOOC
  • PODCASTS
  • DEFUNCT GEOSPATIAL PODCASTS
• Reference

Open Books

• Geospatial Data Science with Julia - Open book on geospatial data science with the Julia programming language.

Geographic Information System Software

• ArcGIS Desktop: Extendable desktop suite to manage, visualize and analyze GIS data in 2D and 3D, including image processing. Includes ArcGIS Pro, ArcMap, ArcCatalog, and ArcGIS Online.
• DIVA-GIS - DIVA-GIS is a free geographic information system software program used for the analysis of geographic data, in particular point data on biodiversity.
• GeoDa - A free and open source software tool that serves as an introduction to spatial data analysis.
• GISInternals - Povidesdaily build packages and software development kits for the GDAL and MapServer
• Global Mapper - An easy-to-use, robust, and genuinely affordable GIS application that combines a wide array of spatial data processing tools with access to an unparalleled variety of data formats.
• GRASS GIS - A free and open source GIS software suite used for geospatial data management and analysis, image processing, graphics and maps production, spatial modeling, and visualization.
• gvSIG - A powerful, user-friendly, interoperable GIS.
• JUMP GIS - An open source GIS written in Java
• MapInfo Pro - A full-featured desktop solution to prepare data for web mapping applications and create presentation quality maps that combines data analysis, visual insights, and map publishing.
• Marble - A virtual globe and world atlas.
• OpenOrienteering Mapper - A software for creating maps for the orienteering sport.
• QGIS :star2: - A free and open source GIS.
• SAGA - Open source system for automated geoscientific analyses.
• SharpMap - An easy-to-use mapping library for use in web and desktop applications
• TileMill - An open source map design studio, developed by a community of volunteer open source contributors
• uDig - An open source (EPL and BSD) desktop application framework, built with Eclipse Rich Client (RCP) technology.
• Whitebox GAT - An open source desktop GIS and remote sensing software package for general applications of geospatial analysis and data visualization.
• DIVA-GIS - DIVA-GIS is a free geographic information system software program used for the analysis of geographic data, in particular point data on biodiversity.
• Abc-Map - A lightweight and user-friendly Web GIS. Create, import data from various sources, export maps or share them online freely and easily.

Remote Sensing Software

• eCognition - A powerful development environment for object-based image analysis.
• ENVI :star2: - A geospatial imagery analysis and processing software.
• ERDAS IMAGINE :star2: - A geospatial imagery analysis and processing software.
• Google Earth - A computer program that renders a 3D representation of Earth based on satellite imagery.
• Google Earth Studio - An animation tool for Google Earth’s satellite and 3D imagery.
• GRASS GIS - A free and open source GIS software suite used for geospatial data management and analysis, image processing, graphics and maps production, spatial modeling, and visualization.
• Opticks - An expandable remote sensing and imagery analysis software platform that is free and open source.
• Orfeo toolbox - An open-source project for state-of-the-art remote sensing, including a fast image viewer, apps callable from Bash, Python or QGIS, and a powerful C++ API.
• PANOPLY- Panoply plots geo-referenced and other arrays from netCDF, HDF, GRIB, and other datasets.
• PCI Geomatica - A remote sensing desktop software package for processing earth observation data.
• SNAP - A common architecture for all Sentinel Toolboxes.

3D Applications

• ArcGIS Earth - Allows you to explore any part of the world. Work with a variety of 3D and 2D map data formatt, including KML. Display data, sketch placemarks, measure and perform interactive analysis, and add annotations.
• Beholder - Real-time OSINT threat intelligence map with WebGPU/CesiumJS 3D globe, aggregating 30+ data sources including aircraft, vessels, satellites, earthquakes, conflict, and cyber threats.
• CityEngine - Advanced 3D modeling software.
• DEM Net Elevation API - 3D terrain model generation online from open data (DEM, OSM) and imagery, exports to STL and glTF.
• Earth Enterprise - the open source release of Google Earth Enterprise, a geospatial application which provides the ability to build and host custom 3D globes and 2D maps.
• Google Earth - A computer program that renders a 3D representation of Earth based on satellite imagery.
• halfmaps - 3D map exporter that converts real-world geospatial data into models for CAD, GIS, and 3D workflows, with export formats like GLTF, OBJ, STL, and 3MF.
• Skyline - 3D desktop and web-based applications, enabling an enterprise to build, edit, navigate, query, and analyze realistic 3D environments.
• World Wind - An SDK (software development kit) that software engineers can use to build their own applications
• LAStools - A collection of 52 highly efficient, batch-scriptable, multicore command-line tools for processing point clouds. The tools can also be run via a native GUI (laslook) and are available as toolboxes (QGIS, ArcGIS Pro, FME, Erdas)

Web Map Servers

• ArcGIS Server - A GIS server for enterprise application.
• Baremaps - Apache Baremaps is a toolkit and a set of infrastructure components for creating, publishing, and operating online maps.
• deegree - An open source software for spatial data infrastructures and the geospatial web
• GeoDjango - A GIS server built with python web framework -- django
• geomajas - An open source platform to create Web GIS applications
• GeoMOOSE - A Web Client JavaScript Framework for displaying distributed cartographic data
• GeoNode - Open Source Geospatial Content Management System.
• GeoServer - An open source server for sharing geospatial data
• GeoTrellis - A geographic data processing engine for high performance applications that uses Spark to work with raster data.
• GeoWebCache - A java web application used to cache map tiles coming from a variety of sources such as OGC WMS in order to accelerate and optimize map image delivery.
• Google Earth Enterprise - the open source release of Google Earth Enterprise, a geospatial application which provides the ability to build and host custom 3D globes and 2D maps.
• mapbender3 - Publishing spatial data infrastructure services on the Symfony 2 PHP
• MapFish - A framework for building rich web-mapping applications built with Pylons Python web framework
• MapGuide - A Web Client JavaScript Framework for displaying distributed cartographic data
• Mapnik - An open source mapping toolkit written in C++ for desktop-based and server-based map rendering
• MapServer - Publishing spatial data and interactive mapping applications to the web
• MapTiler Server - Map server for self-hosting of vector tiles, satellite imagery, own geodata and data from PostGIS database.
• Nanocubes - An in-memory data structure for spatiotemporal data cubes. Github Link
• NextGIS Web - An open source framework for storage, visualization and permissions management of all kinds of geospatial data.
• OpenTileServer - This script is for building a basic tile server with OpenStreetMap data.
• Pharos AI - Open-source real-time intelligence dashboard for geopolitical conflict tracking with interactive geospatial visualization, OSINT feeds, and actor dossiers.
• QGIS Server - a FastCGI/CGI application written in C++ that works together with a webserver.
• SuperMap iServer - A Cloud GIS application server based on high-efficiency cross-platform GIS kernel, having the functions like 2D & 3D integration service publishing, management and cluster, providing multi-layer extension development abilities.

Front-end Framework

• ArcGIS Maps SDK for JavaScript - Build high-performing 2D and 3D mapping applications supported by Esri.
• CesiumJS - An open source JavaScript library for world-class 3D globes and maps
• Clockwork Micro - Geospatial tools to create vector tile endpoints from postgis databases and full web maps.
• CMV - The Configurable Map Viewer (CMV) is an open source mapping framework that works with ESRI JavaScript API, ArcGIS Server, ArcGIS Online, and more.
• d3-carto-map - A library for creating layer-based maps using D3
• d3-geomap - A library for creating geographical maps based on D3.js.
• D3.js - A JavaScript library for manipulating documents based on data
• Echarts - A user-friendly data visualisation library supported by Baidu
• geomajas-client javascript - Open source JavaScript mapping API for cool maps and apps
• Google Maps Javascript API - A JavaScript api for google map
• jVectorMap - A vector-based, cross-browser and cross-platform component for interactive geography-related data visualization on the web. Github Link
• L7 - Large-scale WebGL-powered Geospatial Data Visualization By Ant Financial
• Leaflet - Open source javaScript library for mobile-friendly interactive maps
• Leaflet-Geoman - A poweful leaflet plugin for drawing and editing geometry layers
• Mapbox GL JS - A JavaScript & WebGL library that renders interactive maps from vector tiles and the Mapbox GL Style Specification
• MapLibre GL - Is a community led fork derived from Mapbox GL JS prior to their switch to a non-OSS license
• maptalks.js - A light and plugable JavaScript library for integrated 2D/3D maps.
• Mapv - A library of geography visualization
• OpenGlobus - JavaScript 3D maps and geospatial data visualization engine library. It uses the pure WebGL technology.
• OpenLayers - Open source JavaScript map viewing library
• OpenMapTiles - Set of open-source tools for self-hosting of OpenStreetMap maps in more than 50 languages. It provides both raster as well as vector tiles, WMS and WMTS services for GIS programs, support for JavaScript viewers and mobile SDK.
• Polymaps - A JavaScript library for image- and vector-tiled maps using SVG
• SuperMap iClient JavaScript - Cloud GIS web client development platform supported by SuperMap.
• Tangram - A JavaScript library for rendering 2D & 3D maps live in a web browser with WebGL
• three-geo - Is a three.js based geographic visualization library
• three.js - A JavaScript 3D library which makes WebGL simpler
• turf.js - Advanced geospatial analysis for browsers and node supported by Mapbox
• webglearth2 - Open-source virtual planet web application running in any web browser with support for WebGL HTML5 standard

Spatial Database

• DB2 Spatial Extender - An extender for IBM DB2 to generate and analyze spatial information about geographic features, and to store and manage the data on which this information is based.
• Esri Enterprise Geodatabase - It's an addition to a relational database engine like PostgreSQL. Besides to make spatial calculations and apply topological rules, adds data version control, etc.
• GeoMesa - An open-source, distributed, spatio-temporal database built on a number of distributed cloud data storage systems, including Accumulo, HBase, Cassandra, and Kafka.
• GeoPackage based on SQLite - The GeoPackage Encoding Standard describes a set of conventions for storing the following within an SQLite database.
• GeoWave - It provides geospatial and temporal indexing on top of Accumulo, HBase, BigTable, Cassandra, and DynamoDB.
• H2GIS - A spatial extension of the H2 database.
• MBtiles - A specification for storing tiled map data in SQLite databases
• mongoDB - An open-source, document database designed for ease of development and scaling
• MSSQL - A high-performance database support by Microsoft
• MySQL - the world's most popular open source database
• Omnisci - SQL engine that leverages the parallel processing power of GPUs to query billions of rows in milliseconds.
• Oracle Spatial - Oracle-based advanced spatial data analysis
• PostGIS based on PostgreSQL - Most advanced open source database
• Spatialite based on SQLite - Lightweight SQL library to support fully spatially capability
• Tile38 - Tile38 is a geospatial database, spatial index, and realtime geofence.
• TimescaleDB - An open-source time-series SQL database optimized for fast ingest and complex queries.

Mobile Develop Tools

• Android

  • ArcGIS Maps SDK for Kotlin - Build 2D and 3D mapping applications for Android devices supported by Esri.
  • Google Maps API for Android
  • Mapbox Android SDK Includes APIs for static vector and raster maps, camera use, navigation, and custom marker drawing.
  • NextGIS Android SDK - An open source library for Android geo applications.
  • OpenOrienteering Mapper - A software for creating maps for the orienteering sport.
  • TileView - Asynchronously display tile-based images, with additional functionality for 2D map.
  • WhirlyGlobe-Maply - 3D globe and flat-map SDK for Android. This toolkit has a large API for fine-grained control over the map or globe. It reads a wide variety of GIS data formats.

• Cross-Platform

  • ArcGIS Maps SDK for .NET - Build native mapping apps for Android and iOS in C# using .NET Multi-platform App UI (MAUI) supported by Esri.
  • ArcGIS Maps SDK for Qt - Build native mapping apps for Android and iOS in Qt supported by Esri.
  • Red Grid MGRS - Open-source DAGR-class military GPS navigator with live MGRS coordinates, magnetic declination, waypoints, bearing & distance, and tactical tools. Built with React Native/Expo for iOS and Android.

• iOS

  • ArcGIS Maps SDK for Swift - Build 2D and 3D mapping applications for iOS devices supported by Esri.
  • Google Maps API for iOS
  • Mapbox iOS SDK Includes APIs for static maps, directions, and navigation.
  • NextGIS iOS SDK - An open source library for iOS geo applications.
  • WhirlyGlobe-Maply - 3D globe and flat-map SDK for iOS. This toolkit has a large API for fine-grained control over the map or globe. It reads a wide variety of GIS data formats.

Desktop Develop Tools

• ArcGIS Maps SDK for .NET - Build 2D and 3D native mapping apps for Windows, Android and iOS in C# using .NET supported by Esri.
• ArcGIS Maps SDK for Java - Build 2D and 3D mapping applications for Windows, Linux, and macOS in Java supported by Esri.

• API Status Check - Monitor the status and uptime of 120+ popular developer APIs in real-time
• ArcGIS Maps SDK for Qt - Build 2D and 3D native mapping apps for Windows, macOS, Linux, or Android in Qt supported by Esri.

Deep Learning

Deep Learning Framework for Geospatial

• Awesome Remote Sensing Change Detection - List of datasets, codes, papers, and contests related to remote sensing change detection.
• Awesome Semantic Segmentation - A code list of semantic segmentation.
• deep learning object detection - A paper list of object detection using deep learning.
• eo-learn - Earth observation processing framework for machine learning in Python.
• label-maker - Data Preparation for Satellite Machine Learning.
• neat-EO - Efficient AI4EO OpenSource framework.
• rastervision - An open source framework for deep learning on satellite and aerial imagery.
• robosat - Semantic segmentation on aerial and satellite imagery.
• Solaris - CosmiQ Works Geospatial Machine Learning Analysis Toolkit.
• YOLT - You Only Look Twice: Rapid Multi-Scale Object Detection In Satellite Imagery.
• aviary - Pythonic Framework for AI Inference on Geospatial Data.

Deep Learning Datasets

• awesome-remote-sensing-change-detection - List of datasets, codes, researchers and contests related to remote sensing change detection.
• awesome-satellite-imagery-datasets - List of satellite imagery datasets with annotations for computer vision and deep learning.

Map Render Engine

• mapbox-gl-native - A library for embedding interactive, customizable vector maps into native applications on multiple platforms
• maplibre-gl-native - A fork of mapbox-gl-native after licensing change
• Mapnik - C++ library for map rendering.
• Skia - Skia is a complete 2D graphic library for drawing Text, Geometries, and Images.
• tangram-es - A C++ library for rendering 2D and 3D maps from vector data using OpenGL ES, and mainly focused on mobile and embedded devices.

Geospatial Library

C

• Datamaps - This is a tool for indexing large lists of geographic points or lines and dynamically generating map tiles from the index for display.
• H3 - Hexagonal hierarchical geospatial indexing system.
• libpostal - A C library for parsing/normalizing street addresses around the world. Powered by statistical NLP and open geo data.
• libvips - A fast image processing library with low memory needs.
• Shapefile C Library - Provides the ability to write simple C programs for reading, writing and updating (to a limited extent) .shp and .dbf files.
• YOLT - You Only Look Twice: Rapid Multi-Scale Object Detection In Satellite Imagery.

C++

• ArcGIS Maps SDK for Unreal Engine - Plugin that gives you access to real-world maps and 3D content from ArcGIS.
• Boost Geometry - Part of collection of the Boost C++ Libraries, defines concepts, primitives and algorithms for solving geometry problems.
• Capaware - 3D terrain representation with multilayer representation.
• dreich_algorithm - Algorithm for extracting channel networks from high resolution topographic data.
• entwine - Entwine is a data organization library for massive point clouds, designed to conquer datasets of hundreds of billions of points as well as desktop-scale point clouds.
• GDAL - Geospatial Data Abstraction Library (GDAL) is a computer library that serve as a translator library for raster and vector geospatial data formats.
• gdalcubes - gdalcubes is a library to represent collections of Earth Observation (EO) images as on demand data cubes (or multidimensional arrays).
• geo-utils-cpp - Header-only C++17 library for spherical (lat/lng) geometry: distance, bearing, area, point-in-polygon.
• geojson-vt-cpp - Port to C++ of JS GeoJSON-VT for slicing GeoJSON into vector tiles on the fly.
• GEOS - GEOS (Geometry Engine - Open Source) is a C++ port of the Java Topology Suite (JTS).
• gSLICr - Real-time super-pixel segmentation.
• Halide - Halide is a programming language designed to make it easier to write high-performance image processing code on modern machines.
• hydroflow - Compute drainage orders in drainage basins using Strahler and Shreve methods.
• ITK - ITK is an open-source, cross-platform system that provides developers with an extensive suite of software tools for image analysis.
• LASzip - Quickly turns bulky LAS files into compact LAZ files without information loss.
• laz-perf - Alternative LAZ implementation for C++ and JavaScript.
• libGeoTiff - Manipulate TIFF based interchange format for georeferenced raster imagery.
• libspatialindex - C++ implementation of R*-tree, an MVR-tree and a TPR-tree with C API.
• Mapbox GL Native - Render Mapbox styles in mobile, desktop, and node applications using C++ and OpenGL.
• Mapbox Maps SDK for Qt - Qt Automotive Map Suite.
• Mapnik - C++ library for map rendering.
• Mapnik Vector Tile - Mapnik C++ implemention of Mapbox Vector Tile specification.
• Mapzen Tangram-ES - C++ library for rendering 2D and 3D maps using OpenGL ES 2 with custom styling and interactions
• OpenDroneMap - OpenDroneMap is a tool to postprocess drone, balloon, kite, and street view data to geographic data including orthophotos, point clouds, & textured mesh.
• OpenOrienteering Mapper - OpenOrienteering Mapper is a software for creating maps for the orienteering sport.
• Orfeo ToolBox - Orfeo TooLBox (OTB) is an open-source C++ library for remote sensing images processing, distributed under the CeCILL-v2 licence.
• osgearth - A free open source C++ geospatial toolkit.
• OSRM (Open Source Routing Machine) - High performance routing engine written in C++, designed to run on OpenStreetMap data. Services available: Nearest, Route, Table, Match, Trip, Tile.
• PDAL - PDAL is Point Data Abstraction Library. GDAL for point cloud data.
• Pronto Raster - C++ library for geographical raster data analysis.
• RSGISLib - The Remote Sensing and GIS software library (RSGISLib) is a collection of tools for processing remote sensing and GIS datasets. The tools are accessed using Python bindings or an XML interface.
• S2 Geometry - Computational geometry and spatial indexing on the sphere.
• Selene - A C++14 image representation, processing and I/O library.
• Spatial - Spatial is a generic header-only C++ library providing multi-dimensional in-memory containers, iterators and functionals.
• Supercluster - A C++14 port of supercluster, a fast 2D point clustering library for use in interactive maps.
• TauDEM - Terrain Analysis Using Digital Elevation Models (TauDEM) software for hydrologic terrain analysis and channel network extraction.
• Terralib - TerraLib is a GIS classes and functions open source library.
• TIN Terrain - A command-line tool for converting heightmaps in GeoTIFF format into tiled optimized meshes.
• tippecanoe - Build vector tilesets from large collections of GeoJSON features.
• valhalla - Open Source Routing Engine for OpenStreetMap.
• Vector Tiles Producer - Command line tool in C++ to creates vector tiles for a given area at chosen zoom levels using a Mapnik XML.

Clojure

• geo - Clojure library for working with geohashes, polygons, and other world geometry.

Crystal

• lidar - A Crystal language library for reading and writing LiDAR data in LAS format.

C Sharp

• ArcBruTile - ArcBruTile displays a collection of maps in ArcGIS Pro 2.0 and ArcMap 10.0 - 10.6.
• ArcGIS Maps SDK for Unity -  Plugin that gives you access to real-world maps and 3D content in ArcGIS.
• Bing Maps REST Toolkit - This is a portable class library which makes it easy to access the Bing Maps REST services from .NET.
• Bing Maps Spatial Data Services Toolkit - This toolkit makes it easy to use the Bing Maps Spatial Data Services (SDS) in .NET.
• Bing Maps WPF SDK - The Bing Maps WPF API.
• BotBuild-Location - An open-source location picker control for Microsoft Bot Framework powered by Bing Maps REST services.
• BruTile - BruTile is a .NET library to access tile services like those of OpenStreetMap, MapBox or GeodanMaps.
• DEM Net Elevation API - Library focused on Digital Elevation Models, OSM and 3D from open data. Playground: https://elevationapi.com
• DotSpatial - DotSpatial is a geographic information system library written for .NET 4.
• Earth-Lens - Earth Lens, a Microsoft Garage project is an iOS iPad application that helps people and organizations quickly identify and classify objects in aerial imagery through the power of machine learning.
• GDAL/OGR CSharp - C# bindings for GDAL and OGR.
• Geo - A geospatial library for .NET
• GeoJSON4EntityFramework - Create GeoJSON from Entity Framework Spatial Data or WKT.
• GeoJSON.Net - .Net library for GeoJSON types & corresponding Json.Net (de)serializers.
• GMap.NET - A great and powerful, free, cross platform, open source .NET control.
• Linq2db-Postgis-Extensions - .NET Standard 2.0 library with OGC extensions methods on geometry (NpgsqlTypes.PostgisGeometry or NetTopologySuite.Geometries.Geometry) instances, providing strongly typed access to PostGIS functions on server side while using linq2db LINQ to database provider.
• Mapbox Maps SDK for Unity - The Maps SDK for Unity is a collection of tools for building Unity applications from real map data.
• NTS Net Topology Suite - A .NET GIS solution that is fast and reliable for the .NET platform.
• osmsharp - OsmSharp is a C# library to work with OpenStreetMap (OSM) data.
• SharpKml - Is able to read/write both KML files and KMZ files.
• SharpMap - SharpMap is an easy-to-use mapping library for use in web and desktop applications.
• Windows UWP map control - The Bing Maps control built into the Windows UWP platform.

CSS

• CartoCSS - TileMills language.
• MapCSS - MapCSS is a CSS-like language for map stylesheets.

Delphi

• DSpatial - DSpatial is an Open Source software development project to provide developers using Delphi with a library of tools for the use, manipulation, and visualization of spatial data.

Elixir

• distance - Provides a set of distance functions for use in GIS or graphic applications.
• geo - A collection of GIS functions for Elixir.
• Geometry Library - A Geometry library for Elixir that calculates spatial relationships between two geometries.

Fortran

• 6S - Second Simulation of the Satellite Signal in the Solar Spectrum (6S) open source algorithm.
• SPECFEM3D_GLOBE - SPECFEM3D_GLOBE simulates global and regional (continental-scale) seismic wave propagation.
• SWAT - Implementation of SWAT model.

Go

• BoxTree - An R-tree implementation for Go.
• BuntDB - BuntDB is an embeddable, in-memory key/value database for Go with custom indexing and geospatial support.
• Draw2D - 2D rendering for different output (raster, pdf).
• geom - Geometry objects and functions for Go.
• geoos - A library provides spatial data and geometric algorithms
• Go GDAL - Go (golang) wrapper for GDAL, the Geospatial Data Abstraction Library.
• Go.Geo - Geometry/geography library in Go.
• go-geom - Go library for handling geometries.
• Golang-Ellipsoid - Golang package to calculate distances and locations on an Ellipsoid.
• gopostal - Go (cgo) interface to libpostal for fast international address parsing/normalization.
• Go-proj-4 - Go bindings for the Cartographic Projections Library PROJ.4.
• Go-shp - Go library for reading and writing ESRI Shapefiles. Pure Golang implementation based on the ESRI Shapefile technical description.
• GoSpatial - GoSpatial is a simple command-line interface program for manipulating geospatial data.
• lidario - A small Go library for reading and writing LiDAR (LAS) files.
• orb - Package orb defines a set of types for working with 2d geo and planar/projected geometric data in Golang.
• S2 - S2 is a library for spherical geometry that aims to have the same robustness, flexibility, and performance as the best planar geometry libraries.

Groovy

• GeoScript Groovy - GeoScript Groovy is the Groovy implementation of GeoScript.

Haskell

• Naqsha - Naqsha is a Haskell library to work with geospatial data types.
• TerraHS - TerraHS is a software component that enables the development of geographical applications in a functional language, using the data handling capabilities and spatial operations of TerraLib.

IDL

• LandTrendr - LandTrendr (Landsat-based Detection of Trends in Disturbance and Recovery) attempt to capture, label, and map changes in Earth's surface for use in science, natural resource management, and education.

Java

• Apache SIS - Apache Spatial Information System (SIS) is a free software, Java language library for developing geospatial applications.
• asgbook - Implementation of GIS/RS features in Java. Its also the code accompanying the book "Automating the Analysis of Spatial Grids" by Valliappa Lakshmanan.
• Geoapi - GeoAPI provides a set of Java language programming interfaces for geospatial applications.
• Geonetwork - GeoNetwork is a catalog application to manage spatially referenced resources.
• GeoServer - GeoServer is open source server for sharing geospatial data.
• Geotools - GeoTools is an open source Java library that provides tools for geospatial data.
• GeoWave - It provides geospatial and temporal indexing on top of Accumulo, HBase, BigTable, Cassandra, and DynamoDB.
• GeoWebCache - a Java web application used to cache map tiles coming from a variety of sources such as OGC Web Map Service (WMS). It implements various service interfaces (such as WMS-C, WMTS, TMS, Google Maps KML, Virtual Earth) in order to accelerate and optimize map image delivery. It can also recombine tiles to work with regular WMS clients.
• GeOxygene - Provide an open framework which implements OGC/ISO specifications for the development and deployment of GIS applications.
• Gisgraphy - Open source framework that offers the ability to do geolocalisation and geocoding via Java APIs or REST webservices.
• GraphHopper Routing Engine - GraphHopper is a fast and memory efficient Java routing engine, released under Apache License 2.0. By default it uses OpenStreetMap and GTFS data, but it can import other data sources.
• JGeocoder - Free Java Geocoder.
• jpostal - Java/JNI bindings to libpostal for fast international street address parsing/normalization.
• JTS Topology Suite - JTS Topology Suite is an API of 2D spatial predicates and functions.
• LuciadLightspeed - A Java library that provides the foundations for advanced geospatial analytics applications
• MapFish Print - The purpose of Mapfish Print is to create reports that contain maps (and map related components) within them. The project is a Java based servlet/library/application based on the mature Jasper Reports Library.
• Openmap - Open Source JavaBeans-based programmer's toolkit.
• Photon - Photon is an open source geocoder built for OpenStreetMap data. It is based on elasticsearch.
• Spatial4j - Spatial4j is a general purpose geospatial ASL licensed open-source Java library.
• whitebox-geospatial-analysis-tools - An open-source GIS and remote sensing package.
• World Wind Java SDK - Nasa cross-platform Java SDK.

JavaScript

• ArcGIS Maps SDK for JavaScript - Build high-performing 2D and 3D mapping applications supported by Esri.
• arc.js - Calculate great circles routes as lines in GeoJSON or WKT format.
• Bing Maps V8 Code Samples - A large collection of open source code samples for Bing Maps V8.
• Bing Maps V8 Interactive SDK - An interactive code sample gallery for Bing Maps V8.
• Bing Maps V8 TypeScript Definitions - TypeScript Definitions for the Bing Maps V8 web control.
• Bing Maps V8 Web Control - Bing Maps API for JavaScript.
• CesiumJS - An open-source JavaScript library for world-class 3D globes and maps.
• city-roads - Visualization of all roads within any city.
• deck.gl - WebGL2 powered geospatial visualization layers.
• Galton - Lightweight Node.js isochrone server. Build isochrones using OSRM, Turf and concaveman.
• gcoord - 地理坐标系转换工具，支持WGS84/GCJ02/BD09等常用坐标系互转.
• gdal3.js - 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.
• geoblaze - Geoblaze is a geospatial raster processing engine written purely in javascript.
• GeoExt - Open Source and enables building desktop-like GIS applications through the web. It is a JavaScript framework that combines the GIS functionality of OpenLayers with the user interface of the ExtJS library provided by Sencha.
• geojson2svg A library to convert geojson data to svg map with lots of flexibility.
• Geokit - Geokit is a command-line interface (CLI) tool written in javascript, that contains all the basic functionalities for measurements, conversions and operations of geojson files.
• GeoNode - Open Source Geospatial Content Management System.
• geotiff.js - geotiff.js is a small library to parse TIFF files for visualization or analysis.
• gmaps.js - gmaps.js allows you to use the potential of Google Maps in a simple way.
• Google Maps API - Google Maps API for JavaScript.
• Heatcanvas.js - Yet another heatmap implementation for Javascript.
• Heatmap.js - A heatmap implementation for Javascript.
• iTowns - A Three.js-based framework written in Javascript/WebGL for visualizing 3D geospatial data. It can connect to WMS/WMTS/TMS servers including elevation data and load many different data formats (3dTiles, gpx, KML and much much more).
• JSTS - Port of the Java JTS library.
• kepler.gl - kepler.gl is a data-agnostic, high-performance web-based application for visual exploration of large-scale geolocation data sets.
• koop: Transform geospatial data on the fly and serve as GeoJSON, Vector Tiles, Esri Feature Services and more.
• landspeed.js - WMS server using node-mapnik.
• Leaflet - Open-Source JavaScript Library for Mobile-Friendly Interactive Maps.
• leaflet-geoserver-request - This is the small library which helps to connect geoserver with leaflet. Using this library, we can make WMS, WFS, getLegendGraphic, WMS-Image request.
• Leaflet TimeDimension - Add time dimension capabilities on a Leaflet map.
• LuciadRIA - A JavaScript library for 3D globes and maps, with support for military symbology and desktop-like performance
• mapbox-gl-draw - Draw tools for mapbox-gl-js.
• mapboxgl-powerbi - Mapbox GL PowerBI custom visual.
• mapshaper - Tools for editing Shapefile, GeoJSON, TopoJSON and CSV files.
• Moveet - Real-time vehicle fleet simulator with A* pathfinding on real road networks.
• NASA WebWorldWind - The NASA WorldWind Javascript SDK (WebWW) includes the library and examples for creating geo-browser web applications and for embedding a 3D globe in HTML5 web pages.
• OpenLayers - Open source AJAX library.
• OSM Building - A JavaScript library for visualizing OpenStreetMap building geometry on 2D and 3D maps.
• osm-static-maps - Openstreetmap static maps is a nodejs lib, CLI and server to create map images based on tiles + layers. Inspired on google static map service.
• overpass-turbo - A web based data mining tool for OpenStreetMap using Overpass API.
• PGRestAPI - Node.js REST API for PostGres Spatial Entities.
• pixelmatch - The smallest, simplest and fastest JavaScript pixel-level image comparison library.
• proj4js - JavaScript library to transform coordinates from one coordinate system to another, including datum transformations.
• react-leaflet - React components for Leaflet maps.
• react-map-gl - React friendly API wrapper around MapboxGL JS.
• Spatial - A 2d spatial hash module for node.js.
• Supercluster - A crazy fast geospatial point clustering library for browsers and Node.
• SuperMap iClient for JavaScript - Cloud GIS web client development platform supported by SuperMap.
• SQLite3 - Asynchronous, non-blocking SQLite3 bindings for Node.js.
• Thermo.js - Another heatmap implementation for Javascript.
• tilegarden - Serverless raster and vector map tile generation using Mapnik and AWS Lambda.
• tilelive-postgis - Implements the tilelive API for generating mapnik vector tiles from PostGIS.
• TileMantle - A tool to warm up your tile server cache. Give it a URL template, geometry, and list of zoom levels and it will request tiles incrementally to warm it up.
• TileStrata - A pluggable Node.js map tile server.
• tilestrata-mapnik - TileStrata provider for rendering tiles with mapnik.
• Turf.js - Advanced geospatial analysis for browsers and node.
• ui-leaflet - AngularJS directive to embed an interact with maps managed by Leaflet library.
• Vue2Leaflet - Vue 2 components for Leaflet maps.
• vue-cesium - A Vue 2.x & Vue 3.x based component library of CesiumJS for GISer.
• VueMapbox - Vue 2 components for interacting with Mapbox GL JS
• Windshaft - A Node.js map tile library for PostGIS and torque.js, with CartoCSS styling.
• CoordinateMapper - Free browser-based tool for converting between lat/long, UTM, UK Grid References, Easting/Northing, MGRS, DMS and DDM. Includes map preview and CSV/KML/DXF export.

Julia

• ArchGDAL - Vector and Raster interfaces.
• ClimateTools.jl - Collection of commonly-used tools in Climate Science.
• DataFrames.jl - Tools for working with tabular data in Julia.
• EcologicalNetwork.jl - This julia package provides a common interface to analyze all types of data on ecological networks.
• GDALfuns.jl - Auto-generated low-level wrapper for the GDAL library.
• Geodesy.jl - Work with points defined in various coordinate systems.
• GeoInterface.jl - A Julia Protocol for Geospatial Data.
• GeoJSON.jl - This library is developed independently of, but is heavily influenced in design by the python-geojson package.
• GeoStats.jl - Geostatistics in Julia.
• GeoStatsImages.jl - Training images for geostastical simulation in Julia.
• ImageFeatures.jl - Image feature detection for the Julia language.
• ImageFiltering.jl - ImageFiltering implements blurring, sharpening, gradient computation, and other linear filtering operations, as well nonlinear filters like min/max.
• ImageMetadata.jl - ImageMetadata is a simple package providing utilities for working with images that have metadata attached.
• ImageMorphology.jl - This package provides morphology-related functionality to the Images.jl project.
• Images.jl - An image processing library for Julia.
• ImageSegmentation.jl - Julia package for multiple Image Segmentation Algorithms.
• ImageTransformations.jl - This package provides support for image resizing, image rotation, and other spatial transformations of arrays.
• Interpolations.jl - This package implements a variety of interpolation schemes for the Julia language.
• JuliaGIS - A package for the visualization and manipulation of geographic data.
• LASindex.jl - Pure Julia reader of lasindex .lax files.
• LazIO.jl - Extends LasIO with Laszip integration.
• LibGEOS.jl - LibGEOS is a LGPL-licensed package for manipulation and analysis of planar geometric objects, based on the libraries GEOS (the engine of PostGIS) and JTS (from which GEOS is ported).
• LibLAS.jl - Julia wrapper for LibLAS, a library for reading and writing the LAS LiDAR format.
• LibSpatialIndex.jl - A library for spatially indexing kD bounding box data (based on libspatialindex).
• NetCDF.jl - NetCDF support for the julia programming language.
• NMEA.jl - NMEA.jl is a package for parsing NMEA GPS protocol sentences.
• OpenStreetMaps.jl - This package provides basic functionality for parsing, viewing, and working with OpenStreetMap map data.
• Proj4.jl - A simple wrapper around the Proj.4 cartographic projections library.
• RasterIO.jl - Simple Raster Formats for Julia.
• Shapefile.jl - Parsing .shp files in Julia.
• Terriajs - A library for building rich, web-based geospatial data explorers.
• Tinker.jl - Interactive graphical tool for complex image analysis.
• Turf.jl - This library is a port of Turf.js to the Julia programming language for geospatial analysis.
• ViziCities - A framework for 3D geospatial visualization in the browser.
• VoronoiDelaunay.jl - Fast, robust construction of 2D Delaunay and Voronoi tessellations on generic point types.
• Watershed.jl - This is a translation of Zlateski's C++ Watershed code.

Kotlin

• geospatial-messenger - Geospatial messenger application written with Spring Boot + Kotlin + PostgreSQL.
• Lets-Plot - An open-source, ggplot2-style plotting library which includes a support of GeoToos features and geometries.

Lisp

• cl-ewkb - Common Lisp PostGIS EWKB data model and encoder/decoder.
• cl-proj - CL-PROJ provides CFFI-based Common Lisp bindings for the PROJ.4 library.
• utm - Lisp library for converting between latitude/longitude and UTM.

Lua

• geo.lua - A helper library for Redis geospatial indices.
• Tarantool/GIS - A full-featured geospatial extension for Tarantool.
• TerraME - TerraME is a programming environment for spatial dynamical modelling. It supports cellular automata, agent-based models, and network models running in 2D cell spaces.

Perl

• address formatting - Templates to format geographic addresses.
• Geo::GDAL - Perl extension for the GDAL library for geospatial data.

PHP

• FreeGeoDB - Free database of geographic place names and corresponding geospatial data.
• geojson - GeoJSON implementation for PHP.
• GeoPHP - Advanced geometry operations in PHP.
• geospatial - PHP Extension to handle common geospatial functions.
• laragis - A standalone Geo/GIS Provider for Laravel.
• laravel-geo - GeoSpatial integration on Laravel 5.2+ that supports MySQL and PostgreSQL.
• Laravel Magellan - A modern PostGIS integration for Laravel 9+, including parsers and generators.
• li3_geo - Adds geospatial support to Lithium for multiple databases, including MongoDB, CouchDB and MySQL.
• PHP7 Mapnik - PHP extension for geospatial rendering with Mapnik.
• php-libspatialite - PHP Query Builder for SQLite data with Spatial SQL Capabilities.
• shapefile - ESRI ShapeFile library for PHP.
• ShapeReader - A PHP library to parse ESRI Shape files.

Python

• ArcGIS Python API - ArcGIS API for Python is a Python library for working with maps and geospatial data, powered by web GIS.