Built with
C++
25 tools
25 tools found

QGIS
Free and open-source cross-platform desktop GIS. Create, edit, visualize, analyze and publish geospatial data.
Alternative to ArcGIS, MapInfo Pro
QGIS Server
Open-source map server for publishing QGIS projects through OGC web services.
Alternative to ArcGIS

OSRM
High-performance routing engine designed to run on OpenStreetMap data.
Alternative to HERE Technologies, TomTom, Google Maps Platform

OpenDroneMap
Open-source CLI for turning aerial imagery into orthophotos, point clouds, DEMs, and 3D models.

Valhalla
Open-source routing engine with turn-by-turn navigation and isochrone generation.
Alternative to HERE Technologies, TomTom, Google Maps Platform
GDAL
Translator library for raster and vector geospatial data formats. The Swiss Army knife of GIS.

Mapnik
C++ cartographic rendering library for maps and tiles from geospatial data sources.

MapLibre Native
Open-source native mapping engine for vector maps across mobile, desktop, and embedded platforms.

PROJ
Generic coordinate transformation library for converting between different CRS.

osm2pgsql
Import OpenStreetMap data into a PostgreSQL/PostGIS database for map rendering and analysis.

Tippecanoe
Build vector tilesets from large collections of GeoJSON features. Essential for tile generation.
Alternative to Mapbox

pgRouting
Routing algorithms — Dijkstra, A*, TSP, VRP — as SQL functions inside PostGIS.
Alternative to HERE Technologies, TomTom

PDAL
Point cloud data abstraction library and CLI for translating, filtering, and processing LiDAR.

MapServer
Open-source platform for publishing spatial data and interactive maps to the web.
Alternative to ArcGIS

GRASS GIS
Free, open-source GIS software for geospatial data management, analysis, and visualization.
Alternative to ArcGIS

FlatGeobuf
Binary geospatial vector format with fast streaming via HTTP range requests.
Entwine
Lossless point-cloud organization library and CLI for building spatially indexed EPT datasets.
gdalcubes
R package and C++ library for building and processing Earth observation data cubes.

GeoDa
Desktop application for exploratory spatial data analysis and spatial econometrics.
Alternative to ArcGIS
LASzip
Lossless LAZ compression library and CLI for LiDAR point clouds, the de facto LAS standard.

Osmium
Fast and flexible C++ library and command-line tool for working with OpenStreetMap data.

Orfeo ToolBox
Open-source toolkit for large-scale optical, multispectral, and radar imagery processing.

Overpass API
Query engine that runs Overpass QL against the OpenStreetMap database over HTTP.

Rtree
Python spatial index wrapping libspatialindex, with R-tree queries and bulk loading.

Simple Features for R
R package implementing the OGC Simple Features standard for spatial data in R.