| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | — | Yes |
| Windows | Yes | — |
| Linux | Yes | — |
| API | — | Yes |
| Plans published | 1 | 2 |
| Spec score · Mind Map Tool | 7.9 (#14) | 8.1 (#11) |
| Spec score · Mind Mapping Software | 8.0 (#39) | 8.2 (#34) |
| Spec score · Mind mapping tools | 7.4 (#61) | 7.9 (#44) |
| Export formats | PNG,SVG | Mind42,Freemind,MindManager,RTF,JPEG,PNG,PDF |
| Free plan | Yes | Yes |
| Integrations | The project pages describe a standalone Qt desktop application and do not list third-party integrations. | The pages reviewed describe no integrations with third-party productivity services; the privacy policy names Google Analytics, Google AdSense, Gravatar, and FastSpring as service partners. |
| Supported platforms | linux,windows | web |
| Purpose | Heimer is a desktop application for creating mind maps and other suitable diagrams. | Mind42 is a browser-based mind mapping tool for visually organizing information, including to-do lists, brainstorming, and events. |