22 best H3 alternatives in 2026

Free & open-source alternatives

SAGA GIS

saga-gis.sourceforge.io

Free GIS with a large library of terrain and raster analysis tools

Open sourceDesktop GIS10

Details Visit

GRASS GIS

grass.osgeo.org

Open-source GIS for advanced raster, vector and terrain analysis

Open sourceDesktop GIS8

Details Visit

WhiteboxTools

whiteboxgeo.com

Advanced terrain, hydrology and lidar analysis toolkit

Open sourceAnalysis6

Details Visit

PostGIS

postgis.net

Spatial database extension for PostgreSQL

Open sourceAnalysis3

Details Visit

Turf.js

turfjs.org

Geospatial analysis in JavaScript, in the browser or Node

Open sourceLibraries3

Details Visit

GDAL/OGR

gdal.org

The universal library for raster and vector geodata formats

Open sourceUtilities2

Details Visit

GeoPandas

geopandas.org

Geospatial data analysis with pandas in Python

Open sourceAnalysis2

Details Visit

Apache Sedona

sedona.apache.org

Distributed spatial processing on Spark and Flink

Open sourceAnalysis2

Details Visit

DuckDB Spatial

duckdb.org

Fast spatial SQL on files, right on your laptop

Open sourceAnalysis1

Details Visit

Protomaps

protomaps.com

Self-host an entire world basemap as a single PMTiles file

Open sourceBasemaps9

Details Visit

GeoServer

geoserver.org

Open-source server for sharing geospatial data via OGC standards

Open sourceWeb GIS8

Details Visit

Projection Wizard

projectionwizard.org

Find the right map projection for your area

FreeCartography4

Details Visit

Nominatim

nominatim.org

Open-source geocoding with OpenStreetMap data

Open sourceLocation APIs2

Details Visit

Geofabrik Downloads

download.geofabrik.de

Daily OpenStreetMap extracts by country and region

FreeOpen Data2

Details Visit

OpenMapTiles

openmaptiles.org

Open vector tile schema and tools to build OSM basemaps

Open sourceBasemaps1

Details Visit

All alternatives

Tool	Pricing	Commercial use	Export images	Platforms
H3Uber's hexagonal hierarchical spatial index	Open source	Check terms	Check terms	Python, JavaScript, Command line
SAGA GISFree GIS with a large library of terrain and raster analysis tools	Open source	Check terms	Check terms	Windows, Linux	Compare
ArcGIS ProEsri's professional desktop GIS	Paid	Check terms	Check terms	Windows	Compare
CARTOCloud-native location intelligence on your data warehouse	Enterprise	Check terms	Check terms	Web, API, JavaScript	Compare
GRASS GISOpen-source GIS for advanced raster, vector and terrain analysis	Open source	Allowed	Allowed	Windows, macOS, Linux, Python	Compare
WhiteboxToolsAdvanced terrain, hydrology and lidar analysis toolkit	Open source	Check terms	Check terms	Python, Command line, Windows, macOS, Linux	Compare
Sentinel HubAPIs for satellite imagery processing and streaming	Freemium	Check terms	Check terms	API, Web	Compare
WherobotsCloud spatial data processing from the creators of Apache Sedona	Freemium	Check terms	Check terms	Web, Python	Compare
PostGISSpatial database extension for PostgreSQL	Open source	Allowed	Allowed	Linux, Windows, macOS	Compare
Turf.jsGeospatial analysis in JavaScript, in the browser or Node	Open source	Allowed	Allowed	JavaScript	Compare
GDAL/OGRThe universal library for raster and vector geodata formats	Open source	Check terms	Check terms	Command line, Python, Windows, macOS, Linux	Compare
GeoPandasGeospatial data analysis with pandas in Python	Open source	Check terms	Check terms	Python	Compare
Apache SedonaDistributed spatial processing on Spark and Flink	Open source	Check terms	Check terms	Python, Linux	Compare
FusedServerless Python for geospatial workflows	Freemium	Check terms	Check terms	Web, Python	Compare
Google Earth EnginePlanetary-scale analysis of satellite imagery in the cloud	Freemium	Paid plan	Allowed	Web, Python, JavaScript	Compare
DuckDB SpatialFast spatial SQL on files, right on your laptop	Open source	Allowed	Allowed	Python, Command line, Windows, macOS, Linux	Compare
ProtomapsSelf-host an entire world basemap as a single PMTiles file	Open source	Allowed	Allowed	Web, JavaScript, Command line	Compare
MapTilerVector map tiles, styles and hosting built on OpenStreetMap	Freemium	Paid plan	With conditions	Web, API, JavaScript	Compare
GeoServerOpen-source server for sharing geospatial data via OGC standards	Open source	Check terms	Check terms	Linux, Windows, macOS	Compare
Projection WizardFind the right map projection for your area	Free	Check terms	Check terms	Web	Compare
NominatimOpen-source geocoding with OpenStreetMap data	Open source	With conditions	Allowed	API, Linux	Compare
Geofabrik DownloadsDaily OpenStreetMap extracts by country and region	Free	Allowed	Allowed	Data download	Compare
OpenMapTilesOpen vector tile schema and tools to build OSM basemaps	Open source	Allowed	Allowed	Linux, Command line	Compare