GRASS GIS: Open-source GIS for advanced raster, vector and terrain analysis. H3: Uber's hexagonal hierarchical spatial index.
| GRASS GIS | H3 | |
|---|---|---|
| Category | Desktop GIS | Spatial Analysis & GeoAI |
| Pricing model | Open source | Open source |
| Starts at | Free | Free |
| Free tier | — | — |
| Open source | Yes | Yes |
| Software licence | GPL-2.0+ | Apache-2.0 |
| API | — | — |
| Platforms | Windows, macOS, Linux, Python | Python, JavaScript, Command line |
| Made by | — | — |
| Commercial use | Allowed | Check terms |
| Export / print images | Allowed | Check terms |
| Offline / caching | Allowed | Check terms |
| Visits from MapTools | 8 | 2 |
| Visit | Visit |
GRASS GIS features
- Raster and terrain analysis
- Hydrological modelling
- Image processing
- Python and command-line scripting
H3 features
- Hexagonal global grid
- Hierarchical resolutions
- Bindings for many languages
- Supported in BigQuery, Snowflake, DuckDB
Summary based on public information. Check each provider's current pricing and terms.