Dia vs Preceden
| Dia | Preceden | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | $10/mo |
| Open source | No | No |
| Platforms | Windows, macOS, Linux | Web |
| Free plan | Yes | Yes |
| Diagram types | Entity-relationship diagrams; UML diagrams; flowcharts; network diagrams | timelines, Gantt charts, project roadmaps, legal chronologies, comparative timelines |
| Real-time collaboration | — | No |
| Import/export formats | — | CSV, XLSX, PDF, PNG, PPTX |
Both are listed in Best Diagramming Software. On Inferse, Preceden scores higher on our published basis.