OnUML vs OpenFlowKit
| OnUML | OpenFlowKit | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | $8/mo | Free |
| Open source | No | No |
| Platforms | api, Web | Web |
| Free plan | Yes | Yes |
| Mermaid support | Yes | Yes |
| Platform | web | web+desktop |
| Export formats | PNG, SVG | PNG, JPG, SVG, JSON, Mermaid, PlantUML, Figma editable export, WebM, MP4 |
| Real-time collaboration | — | Yes |
| Diagram import | — | Yes |
Both are listed in Best AI Diagram Generators. On Inferse, OpenFlowKit scores higher on our published basis.