| Price from | $5/mo | Free |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | — |
| Self-hosted | — | Yes |
| Plans published | 5 | 1 |
| Spec score · Online whiteboards | 9.2 (#7) | 7.7 (#40) |
| Spec score · Online Whiteboard Tools | 9.0 (#9) | 7.4 (#45) |
| Spec score · Digital Whiteboard Apps for Learning | 9.0 (#4) | 7.3 (#14) |
| Founded | Limnu says it was founded in 2015 by two former film-studio employees. | 2013 |
| Headquarters | San Mateo, California, United States | Paris, France |
| Integrations | A Slack integration can create a shared Limnu board from a Slack slash command. | The self-hosted server supports OpenTelemetry metrics, logs, and traces through OTLP exporters. |
| Self-hosting | Official API material says Limnu hosts user sessions, uploaded files and other whiteboard operations, with no self-hosting option described. | WBO can be run on a user's own web server using the official Docker image or directly with Node.js. |
| Support | Limnu offers email support at [email protected] and a support form. | The project README directs users to open a GitHub issue to report an issue or propose a feature. |