PlantUML vs UMLet
| PlantUML | UMLet | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | api, extension, Linux, macOS, self-hosted, Web, Windows | extension, Linux, macOS, Web, Windows |
| Free plan | Yes | Yes |
| Diagram types | Sequence, use-case, class, object, activity, component, deployment, state, timing, regex, network, wireframe, Archimate, Gantt, mind map, WBS, EBNF, JSON, YAML | class, use case, sequence, state, deployment, activity |
| Desktop apps | — | Yes |
| Import/export formats | — | UXF; BMP, EPS, GIF, JPG, PDF, PNG, SVG |
Both are listed in Best Diagramming Software. On Inferse, PlantUML scores higher on our published basis.