| Price from | $25/mo | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 8 | 1 |
| Spec score · Database Design Tools | 8.5 (#5) | 7.3 (#25) |
| Exports | Diagrams can be exported as SQL, images, diagram JSON, and DBML. | Users can export JSON, SQL DDL, Markdown, Mermaid ER diagrams, PNG canvas images, migration scripts, and seed scripts. |
| Purpose | ChartDB is a database visualization and diagramming tool for visualizing, designing, and managing database schemas. | OpenDBD is a visual database schema design canvas with schema-aware AI assistance. |
| Support | The free plan includes a community support forum, Pro lists 3-day email support, and Teams lists priority support. | The maker page provides common questions and instructions for configuring AI providers in Agent settings. |
