GeoStack PostGIS SDK
Developer-first PostGIS wrapper for building spatial query services, tile APIs, and geofencing workflows with typed geometry pipelines.
GIS tools for developers
Every tool
for building
spatial apps
The open directory of geospatial tooling. From vector tiles to ML-powered spatial analysis — curated, categorised, and kept current.
412
Tools indexed
38
Added this month
24k
Dev subscribers
Mapbox GL JS
PostGIS
GDAL / OGR
Turf.js
DeckGL
Leaflet
GeoArrow
Overture Maps
Tippecanoe
H3 Hexagonal Grid
GeoParquet
QGIS Python API
Google Earth Engine
Felt SDK
Mapbox GL JS
PostGIS
GDAL / OGR
Turf.js
DeckGL
Leaflet
GeoArrow
Overture Maps
Tippecanoe
H3 Hexagonal Grid
GeoParquet
QGIS Python API
Google Earth Engine
Felt SDK
Featured
Editor's picks
GeoJSON Stream API
High-throughput GeoJSON feature API with bbox filtering, tile-friendly pagination, and schema-validated geospatial payloads for production maps.
LidarForge Pipeline
Batch and streaming LiDAR processing toolchain for point-cloud normalization, ground classification, and DEM generation in cloud-native workflows.
H3 by Uber
Hierarchical hexagonal geospatial index. Discretize the globe into hexagons for scalable spatial joins and data aggregation.
Turf.js
Modular geospatial analysis in JavaScript. 150+ functions for operations like buffer, union, intersect, and voronoi.
GDAL / OGR
The Swiss-army knife of geospatial format translation. Supports 200+ raster and vector formats. The bedrock of the entire GIS stack.
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Find tools by category
Every corner of the geospatial dev stack, organised so you can find exactly what you need.
Fresh Additions
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GeoParquet 1.1
Columnar storage format for geospatial vector data — now with native compression and partitioning hints
Overture Maps Python SDK
Official SDK to query and download Overture datasets with spatial filters and schema validation
lonboard
GPU-accelerated geospatial visualisation for Jupyter notebooks using Arrow memory model
Martin Tile Server 0.14
Blazing-fast PostGIS and MBTiles tile server written in Rust. Now supports sprites and font glyphs.
stac-geoparquet
Convert STAC item collections to GeoParquet for large-scale catalog queries without an API
WheroNet Geocoder
Open-source batch geocoder with offline support for 190 countries. 2× faster than Nominatim at scale.
For developers
Everything has
an API
Access the full directory programmatically. Query tools, categories, and changelogs from your own build pipeline or CLI.
Read the API Docs
// Fetch GIS tools by category
const getTools = async (category) => {
const res = await fetch(
`https://api.spatialdata.dev/v1/tools`
+ `?category=${category}&limit=10`
);
return res.json();
};
const tools = await getTools("rendering");
// → { total: 47, results: [
// { name: "Mapbox GL JS",
// stars: 11200,
// lang: "JavaScript", … },
// …
// ] }
const getTools = async (category) => {
const res = await fetch(
`https://api.spatialdata.dev/v1/tools`
+ `?category=${category}&limit=10`
);
return res.json();
};
const tools = await getTools("rendering");
// → { total: 47, results: [
// { name: "Mapbox GL JS",
// stars: 11200,
// lang: "JavaScript", … },
// …
// ] }
Built it? Ship it here.
Submit your geospatial tool
to reach 24,000+ developers
to reach 24,000+ developers