| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| Self-hosted | — | Yes |
| Plans published | 1 | 1 |
| Spec score · Data Visualization Libraries Software | 8.4 (#5) | 7.9 (#10) |
| Spec score · Data Visualization Software | 8.3 (#32) | 7.9 (#52) |
| Data sources | Python lists,NumPy arrays,ColumnDataSource,pandas DataFrames,Polars DataFrames,PyArrow DataFrames,pandas GroupBy objects,REST endpoints | CSV,JSON |
| Free plan | Yes | Yes |
| Platform | web_and_desktop | web |
| Support | Support is volunteer-based, and the project directs usage questions to its public Discourse forum. | The D3 community page recommends GitHub Discussions as the preferred place for support requests and community engagement. |