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Visual Paradigm vs Umbrello: catalog facts
Visual Paradigm	Umbrello
Freemium Paid editions with a free trial; some tools such as the VPasCode online editor are free.	Free Free and open source under the GPL-2.0 or later.
macOS, Web	Windows, Linux
Covers UML, SysML, BPMN and enterprise architecture in one tool Desktop and browser versions	Supports nine UML and ER diagram types Generates code from diagrams in several languages
Broad feature set takes time to learn Full features require a paid edition	No macOS build listed Interface follows KDE conventions that may feel unfamiliar outside Plasma
Downloadable app, Web application	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0-or-later
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 October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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