Lucid Train vs OnUML
| Lucid Train | OnUML | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Windows, macOS, Linux | Web |
| Free plan | Yes | Yes |
| Mermaid support | Yes | Yes |
| Diagram import | Yes | — |
| Platform | desktop | web |
| Export formats | SVG, PNG, Markdown, Excalidraw | PNG, SVG |
Both are listed in Best AI Diagram Generators. On The Geeks Club, OnUML scores higher on our published basis.