Side by side
SchemaSpy vs Toad Data Modeler
Both stand on data modeling software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxMacSelf-hosted+1
Choose SchemaSpy if you want free, shareable database documentation generated from metadata, with diagrams, statistics, and anomaly checks. Look elsewhere if you need a graphical interface; SchemaSpy is operated from the command line and requires setup prerequisites for database access and diagram rendering.
Visit SchemaSpy Free plan Windows
Visit Toad Data Modeler The facts
| SchemaSpy | Toad Data Modeler | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Mac, Self-hosted, Windows | Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 2 |
| Maker | Not published | Not published |
| Website | schemaspy.org | quest.com |
| On data modeling software | #11 of 27 | #15 of 27 |
SchemaSpy: what it does well
- Creates entity-relationship diagrams from an existing database.
- Supports over a dozen databases out of the box.
- Exports structural statistics to Excel or CSV.
- Can report missing indexes, implied relationships, and orphan tables.
- Generated HTML can be shared with a team or community.
What to know first
- It has no graphical interface.
- The JAR distribution does not include JDBC drivers.
- Diagram rendering requires viz.js or Graphviz.
Toad Data Modeler: what it does well
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