D3 (d3-geo): Map projections and SVG maps for custom data graphics. Plotly: Interactive maps in Python, R and JavaScript charts.
| D3 (d3-geo) | Plotly | |
|---|---|---|
| Category | Map Libraries & SDKs | Geospatial Data Visualization |
| Pricing model | Open source | Open source |
| Starts at | Free | Free |
| Free tier | — | — |
| Open source | Yes | Yes |
| Software licence | ISC | MIT |
| API | — | — |
| Platforms | JavaScript | Python, R, JavaScript |
| Made by | — | — |
| Commercial use | Allowed | Check terms |
| Export / print images | Allowed | Check terms |
| Offline / caching | Allowed | Check terms |
| Visits from MapTools | 1 | 1 |
| Visit | Visit |
D3 (d3-geo) features
- Many map projections
- SVG and canvas rendering
- TopoJSON support
- Full design control
Plotly features
- Choropleth and scatter maps
- Tile maps
- Dash apps
- Python, R and JS
Summary based on public information. Check each provider's current pricing and terms.