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ChartDB vs Navicat Data Modeler: catalog facts
ChartDB	Navicat Data Modeler
Freemium Self-hosted version is free; the cloud service is free to start with paid team features.	Paid Commercial software with a free trial and perpetual licenses available.
Web, Self-hosted	Windows, macOS, Linux
Diagram from a single query without database access Exports DDL scripts	Conceptual, logical and physical models in one workspace Reverse engineering from live databases
Collaboration features are aimed at the cloud version	Paid license after the trial Design tool only, not a full query client
Web application, Self-hosted	Downloadable app
Open source	Closed source
License: AGPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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