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dbdiagram.io vs ChartDB: catalog facts
dbdiagram.io	ChartDB
Free Described on its site as a free tool.	Freemium Self-hosted version is free; the cloud service is free to start with paid team features.
Web	Web, Self-hosted
Diagrams generated from plain text Nothing to install	Diagram from a single query without database access Exports DDL scripts
Requires learning its diagram language Runs only in the browser	Collaboration features are aimed at the cloud version
Web application	Web application, Self-hosted
Closed source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.