ArcGIS Pro: Esri's professional desktop GIS. GRASS GIS: Open-source GIS for advanced raster, vector and terrain analysis.
| ArcGIS Pro | GRASS GIS | |
|---|---|---|
| Category | Desktop GIS | Desktop GIS |
| Pricing model | Paid | Open source |
| Starts at | See website | Free |
| Free tier | Free trial; personal use licence available | — |
| Open source | No | Yes |
| Software licence | — | GPL-2.0+ |
| API | — | — |
| Platforms | Windows | Windows, macOS, Linux, Python |
| Made by | Esri | — |
| Commercial use | Check terms | Allowed |
| Export / print images | Check terms | Allowed |
| Offline / caching | Check terms | Allowed |
| Visits from MapTools | 9 | 8 |
| Visit | Visit |
ArcGIS Pro features
- 2D and 3D mapping
- Extensive geoprocessing tools
- Extensions for spatial, network and image analysis
- Publishing to ArcGIS Online and Enterprise
GRASS GIS features
- Raster and terrain analysis
- Hydrological modelling
- Image processing
- Python and command-line scripting
Summary based on public information. Check each provider's current pricing and terms.