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pgModeler vs dbdiagram.io: catalog facts
pgModeler	dbdiagram.io
Freemium Source code is free; pgModeler Plus with pre-built binaries is paid, with 50% off for…	Free Described on its site as a free tool.
Windows, macOS, Linux, Command line	Web
Deep PostgreSQL-specific modeling Reverse engineering and schema diff and sync	Diagrams generated from plain text Nothing to install
PostgreSQL only Pre-built binaries require the paid Plus edition; otherwise you build from source	Requires learning its diagram language Runs only in the browser
Downloadable app	Web application
Open source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Needs internet
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.