Open GIS Projects
A directory of open source geospatial software in the OSGeo ecosystem, organized by category.
3D
CesiumJS
An open source JavaScript library for building 3D globes and maps with high-precision geospatial visualization.
Catalog
GeoNetwork
A catalog application for managing spatially referenced resources and metadata through standardized interfaces.
pycsw
A Python implementation of the OGC Catalogue Service for the Web (CSW) standard for metadata discovery.
Data
OpenStreetMap
A collaborative project to create a free, editable map of the world, built by a global community of contributors.
Desktop GIS
QGIS
A full-featured, free and open source desktop GIS for viewing, editing, and analyzing geospatial data.
Library
GDAL
A translator library for raster and vector geospatial data formats, used throughout the geospatial software ecosystem.
GEOS
A C++ library implementing the geometry operations used by PostGIS and many other geospatial applications.
GeoTools
An open source Java library providing tools for standards-compliant geospatial data processing.
PROJ
A library for performing cartographic projections and coordinate system transformations.
Map Server
GeoServer
An open source server for sharing geospatial data, publishing data from major spatial data sources using open standards like WMS and WFS.
MapServer
A high-performance engine for publishing spatial data and interactive mapping applications to the web.
OGC API
pygeoapi
A Python server implementation of OGC API standards for publishing geospatial data on the web.
Point Clouds
PDAL
A library for translating and manipulating point cloud data, commonly used with LiDAR datasets.
Portal
GeoNode
A geospatial content management platform for building spatial data infrastructures and sharing geospatial data collaboratively.
Spatial Database
PostGIS
Adds support for geographic objects to the PostgreSQL object-relational database, turning it into a spatial database for location queries.
Tile Cache
GeoWebCache
A tile cache server that accelerates the delivery of map tiles from WMS and other geospatial web services.
Web GIS
MapStore
A framework for building complex web mapping applications through reusable components and simple configuration.
Web Mapping
Leaflet
A lightweight, mobile-friendly JavaScript library for building interactive maps.
MapLibre
An open source library for rendering interactive vector maps in the browser and on mobile, forked from Mapbox GL JS.
OpenLayers
A high-performance JavaScript library for displaying map data in web browsers, supporting a wide range of data sources.