Dia vs OmniGraffle
| Dia | OmniGraffle | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Windows, macOS, Linux | macOS, iOS |
| Free plan | Yes | No |
| Diagram types | Entity-relationship diagrams; UML diagrams; flowcharts; network diagrams | family trees, flow charts, org charts, layouts, directed graphs, nondirected graphs |
Both are listed in Best Diagramming Software, Best Diagram Software. On Samsung Mobile US Press, OmniGraffle scores higher on our published basis.