| Price from | $1,500/mo | Free |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| Self-hosted | Yes | — |
| Plans published | 3 | 2 |
| Spec score · Database Documentation Tools | 8.3 (#8) | 7.9 (#16) |
| Purpose | Dataedo describes itself as software for discovering, documenting, and sharing knowledge about data, with a centralized data catalog. | ErdDocs turns database schemas into interactive ER diagrams and printable data dictionaries. |
| Support | The pricing page lists a two-business-day response time for all three plans and email support, with live chat also listed in its support comparison. | Support is handled by one person at [email protected], with no service desk or response-time promise. |