44 projects
QGIS
QGIS is a free and open-source geographic information system (GIS) software that allows users to create, edit, visualize, analyze and publish geospatial information. It supports numerous vector and raster formats, databases, and provides extensive mapping and spatial analysis capabilities.
7,616
744
$437M
Leaflet
Leaflet is an open-source JavaScript library for building mobile-friendly interactive maps. It provides a lightweight, modern solution for creating web maps with extensive plugin support, touch interaction, and a simple API.
7,168
1,498
$3.1M
OsmAnd
OsmAnd is an open-source navigation and mapping application that provides offline access to OpenStreetMap data. It offers turn-by-turn navigation, GPS tracking, route planning, and detailed map viewing capabilities for both Android and iOS platforms.
6,337
692
$52M
Mapbox GL JS
Mapbox GL JS is a JavaScript library for building interactive, customizable maps in web applications using WebGL technology. It provides vector tile rendering, custom styling capabilities, and interactive features for creating dynamic map visualizations.
5,599
1,153
$22M
OpenLayers
OpenLayers is a high-performance, feature-rich JavaScript library for creating interactive maps and geographic applications in web browsers. It supports displaying map tiles, vector data, and markers from a variety of sources, and provides tools for map interaction and visualization.
4,131
682
$13M
CesiumJS
CesiumJS is an open-source JavaScript library for creating 3D geospatial visualizations in a web browser. It provides a complete platform for building dynamic, interactive globe and map applications with support for terrain, imagery layers, 3D models, and time-dynamic visualization.
3,294
370
$36M
Organic Maps
Organic Maps is a free, privacy-focused offline navigation app forked from Maps.me. It provides detailed offline maps, turn-by-turn navigation, hiking trails, and cycling routes without tracking or ads, using OpenStreetMap data.
3,283
423
$75M
Geospatial Data Abstraction Library (GDAL)
GDAL (Geospatial Data Abstraction Library) is a translator library for raster and vector geospatial data formats that provides a unified abstract data model and API for accessing and manipulating geographic data. It supports reading, writing, and processing of a wide variety of geospatial file formats.
3,101
625
$87M
iD
iD is a web-based map editor for OpenStreetMap, allowing users to contribute to and edit the collaborative world map directly through their browser. It provides an intuitive interface for creating and modifying geographic data, including roads, buildings, and points of interest.
2,273
462
$14M
MapLibre GL JS
MapLibre GL JS is an open-source JavaScript library for publishing maps on web applications. It renders interactive vector maps and raster maps with WebGL, and supports custom map styles, markers, popups, and interactive features. The library is a community-maintained fork that provides a free, open-source alternative for vector map rendering.
2,023
410
$9.7M
GeoNode
GeoNode is an open-source geospatial content management system that enables organizations to create, share, and collaboratively manage geospatial data. It combines mature and stable open-source software projects under a consistent interface, allowing users to upload, manage, and publish geospatial data while supporting OGC standards and providing advanced geospatial data visualization capabilities.
1,485
220
$5M
GeoServer
GeoServer is an open source server software that allows users to share, process and edit geospatial data. It publishes data from major spatial data sources using open standards, and allows users to output data in various formats including WMS, WFS, WCS, WPS and more. The software enables interoperability and can serve maps and data to popular mapping applications.
1,085
153
$64M
PROJ
PROJ is a generic coordinate transformation software library that transforms geospatial coordinates between different coordinate reference systems (CRS). It provides tools for converting between geographic, projected, and other coordinate systems used in GIS, cartography, and geodesy.
1,035
243
$12M
MapServer
MapServer is an open source platform for publishing spatial data and interactive mapping applications to the web. It renders and serves maps and spatial data from various sources, supporting multiple formats and OGC standards for web mapping services.
918
148
$15M
GeoTools
GeoTools is an open source Java library that provides tools for geospatial data manipulation, including support for complex coordinate transformations, data structures for handling spatial information, and utilities for working with GIS data formats. It serves as a core component for building geospatial applications and processing geographic information.
865
123
$116M
Rapid
The OpenStreetMap editor driven by open data, AI, and supercharged features
736
136
$42M
GeoNetwork
GeoNetwork is an open-source catalog application for managing spatially referenced resources. It provides powerful metadata editing and search functions, an embedded interactive web map viewer, and is designed to enable access to geo-referenced databases and cartographic products from a variety of data providers through descriptive metadata.
637
97
$49M
TerriaJS
TerriaJS is a library for building web-based geospatial data explorers, enabling users to visualize and analyze spatial data through interactive maps and data catalogs. It supports various data formats, time-series visualization, and 3D terrain rendering.
587
91
$17M
GRASS GIS
GRASS GIS (Geographic Resources Analysis Support System) is a free and open source Geographic Information System (GIS) software suite used for geospatial data management, analysis, image processing, graphics/map production, spatial modeling, and visualization. It supports both raster and vector data processing across multiple dimensions.
483
84
$40M
Therion
therion – cave surveying software
47
5
$9.4M
DDF
DDF Distributed Data Framework - an open source, modular integration framework.
Earthdata Search
Earthdata Search is a web application developed by NASA EOSDIS to enable data discovery, search, comparison, visualization, and access across EOSDIS' Earth Science data holdings.
FixMyStreet
This is mySociety's popular map-based reporting platform: easy to install in new countries and regions
GMT
The Generic Mapping Tools
GPXSee
GPS log file viewer and analyzer with support for GPX, TCX, KML, FIT, IGC, NMEA, SLF, SML, LOC, GPI, GeoJSON and OziExplorer files.
GeoNature
Application de saisie et de synthèse des observations faune et flore
Geotrek
Paths management for National Parks and Tourism organizations
HUMBOLDT Alignment Editor
(Spatial) data harmonisation with hale»studio (formerly HUMBOLDT Alignment Editor)
Lizmap Web Client
Transfer a QGIS project on a server, Lizmap is providing the web interface to browse it
Mapbender
The spatial web mapping framework and core-module
Open Source Railway Designer
An open source web application for railway infrastructure design, capacity analysis, timetabling and simulation
OpenOrienteering Mapper
OpenOrienteering Mapper is a software for creating maps for the orienteering sport.
PostGIS
PostGIS spatial database extension to PostgreSQL [mirror]
QField
A simplified touch optimized interface for QGIS
Tasking Manager
Tasking Manager - The tool to team up for mapping in OpenStreetMap
Ushahidi Platform
Ushahidi Platform API version 3+
Vespucci
Vespucci is a OpenStreetMap editor for Android
deck.gl
WebGL2 powered visualization framework
deegree 4
Official deegree repository providing geospatial core libraries, data access and advanced OGC web service implementations
farmOS
farmOS: A web-based farm record keeping application.
geOrchestra
This is the main geOrchestra Spatial Data Infrastructure repository, which hosts the source code.
openrouteservice
🌍 The open source route planner api with plenty of features.
osgEarth
3D Maps for OpenSceneGraph / C++14