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ChartDB vs DbSchema: catalog facts
ChartDB	DbSchema
Freemium Self-hosted version is free; the cloud service is free to start with paid team features.	Freemium Free Community Edition, with paid editions and a 15-day Architect trial.
Web, Self-hosted	Windows, macOS, Linux
Diagram from a single query without database access Exports DDL scripts	Supports more than 100 SQL and NoSQL databases Generates ER diagrams and HTML documentation
Collaboration features are aimed at the cloud version	Advanced features require a paid edition Not open source
Web application, Self-hosted	Downloadable app
Open source	Closed source
License: AGPL-3.0	License not stated
Not stated if an account is needed	No account 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 September 24, 2026

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