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

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