Cmake

H3

OSS

Uber's hexagonal hierarchical geospatial indexing system for efficient spatial analysis.

GDAL

OSS

Translator library for raster and vector geospatial data formats. The Swiss Army knife of GIS.

MapServer

OSS

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

Alternative to ArcGIS

OSRM

OSS

High-performance routing engine designed to run on OpenStreetMap data.

Alternative to HERE Technologies, TomTom, Google Maps Platform

osm2pgsql

OSS

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

Osmium

OSS

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

PDAL

OSS

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

pgRouting

OSS

Routing algorithms — Dijkstra, A*, TSP, VRP — as SQL functions inside PostGIS.

Alternative to HERE Technologies, TomTom